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Under certain mixture of Gaussian assumption of the data distribution, the paper provides an information-theoretic justification of the VICReg method for self-supervised learning. Additionally, a generalization bound for the down-stream tasks is established.
**Strength**
The main strength of the paper is its justifi... | Recommendation: 6: marginally above the acceptance threshold | Area: Unsupervised and Self-supervised learning | Review:
Under certain mixture of Gaussian assumption of the data distribution, the paper provides an information-theoretic justification of the VICReg method for self-supervised learning. Additionally, a generalization bound for the down-stream tasks is established.
**Strength**
The main strength of the paper is its... |
This paper tackles the problem of 3D-aware human generation from 2D images. To generate at a high resolution, EVA3D proposes to
use compositional multiple NeRFs to do the generation. To overcome difficulties in training with imbalanced human dataset, the paper proposes several training strategies. Results on several h... | Recommendation: 6: marginally above the acceptance threshold | Area: Generative models | Review:
This paper tackles the problem of 3D-aware human generation from 2D images. To generate at a high resolution, EVA3D proposes to
use compositional multiple NeRFs to do the generation. To overcome difficulties in training with imbalanced human dataset, the paper proposes several training strategies. Results on s... |
This paper is proposing a modified neural ordinary differential equation (NODE) that augments the function that describes the vector field with an additional term that introduces oscillations into the dynamics. The authors show that this modification can overcome limitations of standard NODEs by (i) proofing that the n... | Recommendation: 3: reject, not good enough | Area: Deep Learning and representational learning | Review:
This paper is proposing a modified neural ordinary differential equation (NODE) that augments the function that describes the vector field with an additional term that introduces oscillations into the dynamics. The authors show that this modification can overcome limitations of standard NODEs by (i) proofing th... |
Main contributions:
1) Identify implicature understanding as a useful benchmark of LLM's communication ability.
2) Design a protocol for comparing implicature understanding of LLMs versus that of humans.
3) Roll-out the protocol on a host of existing LLMs. Providing a deeper analysis of (a) how different properties of ... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
Main contributions:
1) Identify implicature understanding as a useful benchmark of LLM's communication ability.
2) Design a protocol for comparing implicature understanding of LLMs versus that of humans.
3) Roll-out the protocol on a host of existing LLMs. Providing a deeper analysis of (a) how different proper... |
The paper considers the problem of channel equalization for wired-line communications systems,
and proposes a machine learning based equalizer inspired by forward-backward algorithm.
The proposed approach itself might have some novelty, however, I cannot recommend the acceptance
of the paper, mainly due to the lack of... | Recommendation: 3: reject, not good enough | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The paper considers the problem of channel equalization for wired-line communications systems,
and proposes a machine learning based equalizer inspired by forward-backward algorithm.
The proposed approach itself might have some novelty, however, I cannot recommend the acceptance
of the paper, mainly due to the... |
This paper deals with the problem of prompt-style finetuning when gradient information is not available. The solution is using adaboost to quickly learn prompt-style learners. Experimental results on standard benchmark showed competitive results over previous black-box methods.
- Strength
1. Clearly written, well moti... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper deals with the problem of prompt-style finetuning when gradient information is not available. The solution is using adaboost to quickly learn prompt-style learners. Experimental results on standard benchmark showed competitive results over previous black-box methods.
- Strength
1. Clearly written, w... |
This paper focused on adapting large-scaled pre-trained vision-language model (i.e., CLIP) to downstream datasets under the few-shot setting. Compared to the recent related work CoOp, this work (1) learns multiple prompts, (2) uses both local features and global features, and (3) measures the similarity of prompts and ... | Recommendation: 8: accept, good paper | Area: Deep Learning and representational learning | Review:
This paper focused on adapting large-scaled pre-trained vision-language model (i.e., CLIP) to downstream datasets under the few-shot setting. Compared to the recent related work CoOp, this work (1) learns multiple prompts, (2) uses both local features and global features, and (3) measures the similarity of prom... |
The goal of this study is to attack the semi-supervised learning problem for graph-structured data. The paper focus on bridging the gap between GNNs and the limiting GPs by deriving the covariance kernel that incorporates the graph inductive bias as GNNs do. More specifically, the paper has shown that the GP can be de... | Recommendation: 5: marginally below the acceptance threshold | Area: Probabilistic Methods (eg, variational inference, causal inference, Gaussian processes) | Review:
The goal of this study is to attack the semi-supervised learning problem for graph-structured data. The paper focus on bridging the gap between GNNs and the limiting GPs by deriving the covariance kernel that incorporates the graph inductive bias as GNNs do. More specifically, the paper has shown that the GP c... |
The paper proposed a method to detect malicious nodes by converting the numerical features to rank features and then apply malicious nodes detection algorithm.
Strength:
1. The idea of converting numerical features to rank features is inspiring. Will combine them both further improve the detection accuracy?
Weakness:
... | Recommendation: 3: reject, not good enough | Area: General Machine Learning | Review:
The paper proposed a method to detect malicious nodes by converting the numerical features to rank features and then apply malicious nodes detection algorithm.
Strength:
1. The idea of converting numerical features to rank features is inspiring. Will combine them both further improve the detection accuracy?
We... |
In the proposed work, the authors present E3bind, an fully-equivariant and differentiable approach for protein-ligand docking. Similar works have recently become available in the literature, the claimed advantage of the presented one being that it iteratively docks the ligand into a (possibly unknown) protein binding p... | Recommendation: 5: marginally below the acceptance threshold | Area: Machine Learning for Sciences (eg biology, physics, health sciences, social sciences, climate/sustainability ) | Review:
In the proposed work, the authors present E3bind, an fully-equivariant and differentiable approach for protein-ligand docking. Similar works have recently become available in the literature, the claimed advantage of the presented one being that it iteratively docks the ligand into a (possibly unknown) protein b... |
The paper presents a variance reduction technique that improves the Straight-Through version of the Gumbel-Softmax estimator by taking the zero-temperature limit. The paper further shows that the proposed estimator could be decomposed into a sum of straight-through estimator and DARN. The superior performance of the pr... | Recommendation: 8: accept, good paper | Area: Generative models | Review:
The paper presents a variance reduction technique that improves the Straight-Through version of the Gumbel-Softmax estimator by taking the zero-temperature limit. The paper further shows that the proposed estimator could be decomposed into a sum of straight-through estimator and DARN. The superior performance o... |
The authors proposed a method that maps a single 2D image of a scene to a persistent 3D scene representation, enabling novel view synthesis and disentangled representation of the movable and immovable components of the scene. The enabler is a new representation called conditional neural groudplans, motivated by the Bir... | Recommendation: 6: marginally above the acceptance threshold | Area: Unsupervised and Self-supervised learning | Review:
The authors proposed a method that maps a single 2D image of a scene to a persistent 3D scene representation, enabling novel view synthesis and disentangled representation of the movable and immovable components of the scene. The enabler is a new representation called conditional neural groudplans, motivated by... |
The paper is considering the problem of learning robotics manipulation in a multi-object setting. The specific problem considered is the successive repositioning of two cubes by a manipulator in the presence of a variable number of distractor cubes.
The authors argue that previous approaches, based on GNNs do not lea... | Recommendation: 3: reject, not good enough | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
The paper is considering the problem of learning robotics manipulation in a multi-object setting. The specific problem considered is the successive repositioning of two cubes by a manipulator in the presence of a variable number of distractor cubes.
The authors argue that previous approaches, based on GNNs do... |
This paper proposes a method for creating a concept bottleneck model from any given model. The authors claim that the proposed approach does not sacrifice the performance of the model, and retains the interpretability benefits of concept bottleneck models along with easy model editing.
Strengths:
It is an extremely we... | Recommendation: 8: accept, good paper | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
This paper proposes a method for creating a concept bottleneck model from any given model. The authors claim that the proposed approach does not sacrifice the performance of the model, and retains the interpretability benefits of concept bottleneck models along with easy model editing.
Strengths:
It is an extr... |
The paper proposes to improve the stability, accuracy, and efficiency of implicit graph neural networks (IGNN) by new parameterizations (i.e., the Cayley transform-based orthogonal parameterization and monotone parameterization) and advanced solvers (i.e., operator splitting, Anderson acceleration). Theoretical justifi... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper proposes to improve the stability, accuracy, and efficiency of implicit graph neural networks (IGNN) by new parameterizations (i.e., the Cayley transform-based orthogonal parameterization and monotone parameterization) and advanced solvers (i.e., operator splitting, Anderson acceleration). Theoretical... |
This paper presents a new method of hierarchical entity typing that represents mentions and types using a hyper-rectangle representation, models the mention-type relation using the intersection of these representations, and classifies per-mention types according to the mass of this intersection. The mass representation... | Recommendation: 3: reject, not good enough | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper presents a new method of hierarchical entity typing that represents mentions and types using a hyper-rectangle representation, models the mention-type relation using the intersection of these representations, and classifies per-mention types according to the mass of this intersection. The mass repres... |
This paper proposes a method to build neural networks where an output is provably monotonic with respect to certain inputs. This is intended for applications where domain knowledge exists for such monotonic relations. For such applications, the benefits are better robustness and better interpretability.
This paper cont... | Recommendation: 3: reject, not good enough | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
This paper proposes a method to build neural networks where an output is provably monotonic with respect to certain inputs. This is intended for applications where domain knowledge exists for such monotonic relations. For such applications, the benefits are better robustness and better interpretability.
This pa... |
In this work, the authors propose a new way to learn positional encoding in Graph Transformers by extracting relationships between distant nodes in the graph. To evaluate the proposed approach, the authors design a simple graph task, Grid Histogram Counting, as well as use several benchmark datasets.
Pros:
The experime... | Recommendation: 3: reject, not good enough | Area: Deep Learning and representational learning | Review:
In this work, the authors propose a new way to learn positional encoding in Graph Transformers by extracting relationships between distant nodes in the graph. To evaluate the proposed approach, the authors design a simple graph task, Grid Histogram Counting, as well as use several benchmark datasets.
Pros:
The ... |
This paper proposed a new way of in-context prompting of language model, by combining chain-of-thought reasoning and action decision generation to guid the model generation.
The model performance are evaluated on several language and text-based games.
Strength:
The proposed approach is well justified. The performanc... | Recommendation: 8: accept, good paper | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper proposed a new way of in-context prompting of language model, by combining chain-of-thought reasoning and action decision generation to guid the model generation.
The model performance are evaluated on several language and text-based games.
Strength:
The proposed approach is well justified. The pe... |
This paper explores encoding high-resolution weather data using implicit neural representation (INR). In INR, a neural network takes as input a coordinate (here, transformed latitute, longitude, time and pressure) and output the compressed values (weather data here) at that coordinates. The approach is compared to seve... | Recommendation: 8: accept, good paper | Area: Machine Learning for Sciences (eg biology, physics, health sciences, social sciences, climate/sustainability ) | Review:
This paper explores encoding high-resolution weather data using implicit neural representation (INR). In INR, a neural network takes as input a coordinate (here, transformed latitute, longitude, time and pressure) and output the compressed values (weather data here) at that coordinates. The approach is compared... |
The problem of solving computer vision tasks with neural networks on large images is considered. Authors propose a method that splits an image into patches and then applying greedy iterative approach (IPS iterative patch selection) to select the representative ones. Selection is performed by creating a buffer and itera... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The problem of solving computer vision tasks with neural networks on large images is considered. Authors propose a method that splits an image into patches and then applying greedy iterative approach (IPS iterative patch selection) to select the representative ones. Selection is performed by creating a buffer a... |
The paper proposed a new approach composed of multiple components for systematic generalization on language tasks. It achieves good results on multiple datasets including SCAN, PCFG, and a task for arithmetic reasoning.
**Strengths**:
* **Domain**: the paper explores an important and growing domain of systematic gene... | Recommendation: 5: marginally below the acceptance threshold | Area: General Machine Learning | Review:
The paper proposed a new approach composed of multiple components for systematic generalization on language tasks. It achieves good results on multiple datasets including SCAN, PCFG, and a task for arithmetic reasoning.
**Strengths**:
* **Domain**: the paper explores an important and growing domain of systema... |
The main idea in this paper is to do adversarial imitation learning (AIL) with a discriminator trained via the infoNCE loss, rather than the binary cross-entropy loss. The paper argues that this choice of loss function will result in "smoother" and more "semantically meaningful" reward signals for training the policy. ... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
The main idea in this paper is to do adversarial imitation learning (AIL) with a discriminator trained via the infoNCE loss, rather than the binary cross-entropy loss. The paper argues that this choice of loss function will result in "smoother" and more "semantically meaningful" reward signals for training the ... |
Spatial Resolved Temporal Networks (SpaRTeN) are described in this paper as a novel, composite deep learning model for online, unsupervised representation learning in a spatially constrained latent space. In the proposed approach, two distinct components are simultaneously learned: a recurrent neural network ensemble t... | Recommendation: 5: marginally below the acceptance threshold | Area: Machine Learning for Sciences (eg biology, physics, health sciences, social sciences, climate/sustainability ) | Review:
Spatial Resolved Temporal Networks (SpaRTeN) are described in this paper as a novel, composite deep learning model for online, unsupervised representation learning in a spatially constrained latent space. In the proposed approach, two distinct components are simultaneously learned: a recurrent neural network en... |
The paper leverage the variant of the OPE estimator to estimate the average treatment effects in non-stationary dynamics. The problem is interesting and challenging, however, the method proposed in the paper might be limited for practical use.
Strength: The paper proposes a treatment effect estimator in non-stationar... | Recommendation: 3: reject, not good enough | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
The paper leverage the variant of the OPE estimator to estimate the average treatment effects in non-stationary dynamics. The problem is interesting and challenging, however, the method proposed in the paper might be limited for practical use.
Strength: The paper proposes a treatment effect estimator in non-s... |
This paper under review uses heat diffusion process to understand some multi-scale behavior of the learned model around a test point. Summary scales which characterizes the model on different scales can be drawn.
Strength: This paper is clearly written and well-organized.
Weakness: The paper introduces many math nota... | Recommendation: 3: reject, not good enough | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
This paper under review uses heat diffusion process to understand some multi-scale behavior of the learned model around a test point. Summary scales which characterizes the model on different scales can be drawn.
Strength: This paper is clearly written and well-organized.
Weakness: The paper introduces many m... |
This present a novel neural-networks-based algorithm to compute optimal transport (OT) plans and maps for general cost functionals.
The algorithm generalizes prior OT methods for weak and strong cost functionals.
And it constructs a functional to map data distributions with preserving the class-wise structure of data... | Recommendation: 3: reject, not good enough | Area: Generative models | Review:
This present a novel neural-networks-based algorithm to compute optimal transport (OT) plans and maps for general cost functionals.
The algorithm generalizes prior OT methods for weak and strong cost functionals.
And it constructs a functional to map data distributions with preserving the class-wise structure... |
The paper introduces MiDAS, a novel method to address the problem of out-of-domain texts for fake news classification. MiDAS applies an adaptive model selector that utilizes the Lipschitz smoothness idea to estimate the model's relevancy. The author shows supremacy over several baselines and previously introduced metho... | Recommendation: 5: marginally below the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper introduces MiDAS, a novel method to address the problem of out-of-domain texts for fake news classification. MiDAS applies an adaptive model selector that utilizes the Lipschitz smoothness idea to estimate the model's relevancy. The author shows supremacy over several baselines and previously introduc... |
This paper proposes a discrete diffusion model for graph generation by combining discrete diffusion [Austin 2021] and graph transformer [Dwivedi and Bresson 2021]. Its main novelties are:
- The diffusion model is discrete: sampling of node and edge features is performed after adding noise.
- The denoising network is ... | Recommendation: 8: accept, good paper | Area: Generative models | Review:
This paper proposes a discrete diffusion model for graph generation by combining discrete diffusion [Austin 2021] and graph transformer [Dwivedi and Bresson 2021]. Its main novelties are:
- The diffusion model is discrete: sampling of node and edge features is performed after adding noise.
- The denoising net... |
The paper develops a method for using multiple environments during training to obtain a model that performs well on an unseen test environment. The method has both theoretical and experimental support.
Strengths:
The method developed in the paper is based on an interesting way to model different environments, and the ... | Recommendation: 6: marginally above the acceptance threshold | Area: Probabilistic Methods (eg, variational inference, causal inference, Gaussian processes) | Review:
The paper develops a method for using multiple environments during training to obtain a model that performs well on an unseen test environment. The method has both theoretical and experimental support.
Strengths:
The method developed in the paper is based on an interesting way to model different environments, ... |
This work finds it unclear to determine which surrogate gradient to apply in different tasks or networks in SNN. Seeking to solve this problem, the authors have done some experiments with different surrogate gradients across tasks and networks, and come to the conclusion that the derivative of fast sigmoid outperforms ... | Recommendation: 5: marginally below the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This work finds it unclear to determine which surrogate gradient to apply in different tasks or networks in SNN. Seeking to solve this problem, the authors have done some experiments with different surrogate gradients across tasks and networks, and come to the conclusion that the derivative of fast sigmoid outp... |
The paper proposes a text-driven image editing technique to refine images generated from large-scale text-to-image diffusion models. The paper relies on a crucial observation: Just modifying a text prompt when calling the generator results in structurally and compositionally very different images, even if the text prom... | Recommendation: 8: accept, good paper | Area: Generative models | Review:
The paper proposes a text-driven image editing technique to refine images generated from large-scale text-to-image diffusion models. The paper relies on a crucial observation: Just modifying a text prompt when calling the generator results in structurally and compositionally very different images, even if the t... |
This papers studies the generalization properties of $L_q$-stable algorithms. This notion of stability is distribution-dependent, and thus less stringent analogue of uniform stability. The authors first derive a general inequality for the sum of functions of random variables with bounded difference (Theorem 1), and use... | Recommendation: 8: accept, good paper | Area: Theory (eg, control theory, learning theory, algorithmic game theory) | Review:
This papers studies the generalization properties of $L_q$-stable algorithms. This notion of stability is distribution-dependent, and thus less stringent analogue of uniform stability. The authors first derive a general inequality for the sum of functions of random variables with bounded difference (Theorem 1),... |
This work develops a pipeline for unsupervised semantic segmentation. The distinguishing feature of this approach is its generalization from training on binary classification examples to multiple classes. This is achieved by clustering feature embeddings extracted with the help of unsupervised saliency detection method... | Recommendation: 8: accept, good paper | Area: Unsupervised and Self-supervised learning | Review:
This work develops a pipeline for unsupervised semantic segmentation. The distinguishing feature of this approach is its generalization from training on binary classification examples to multiple classes. This is achieved by clustering feature embeddings extracted with the help of unsupervised saliency detectio... |
The authors propose an approach for visual exploration using RGB cameras only. The approach is also able to build a topological map of the environment. To do the exploration, the authors use imitation learning to hypothesize the image feature in the next step and choose an action based on that feature (and current feat... | Recommendation: 5: marginally below the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The authors propose an approach for visual exploration using RGB cameras only. The approach is also able to build a topological map of the environment. To do the exploration, the authors use imitation learning to hypothesize the image feature in the next step and choose an action based on that feature (and curr... |
The authors study the problem of learning classes of deep, feedfoward neural
networks with ReLU activations through with guarantees in terms of $L^\infty$
accuracy, through the angle of sample complexity requirements. More precisely,
they consider a rather general model where a learner can adaptively query
points of th... | Recommendation: 6: marginally above the acceptance threshold | Area: Theory (eg, control theory, learning theory, algorithmic game theory) | Review:
The authors study the problem of learning classes of deep, feedfoward neural
networks with ReLU activations through with guarantees in terms of $L^\infty$
accuracy, through the angle of sample complexity requirements. More precisely,
they consider a rather general model where a learner can adaptively query
poin... |
FedLite is a framework for split FL that addresses on of the main problems this variant of FL has: high communication costs that result from sending the activations generated by the last layer (the split layer) that runs on the client side to the server AND downloading the gradients from the server which are needed to ... | Recommendation: 6: marginally above the acceptance threshold | Area: General Machine Learning | Review:
FedLite is a framework for split FL that addresses on of the main problems this variant of FL has: high communication costs that result from sending the activations generated by the last layer (the split layer) that runs on the client side to the server AND downloading the gradients from the server which are ne... |
The paper uses the recursive vector quantization ANN method, which can also be seen as a hierarchical VQ approach. The proposed method provides an optimization-based approach to fine-tune this ANN method. The analysis was made on million-scale and billion-scale ANN datasets.
Strengths:
1) The paper is novel and shows... | Recommendation: 5: marginally below the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The paper uses the recursive vector quantization ANN method, which can also be seen as a hierarchical VQ approach. The proposed method provides an optimization-based approach to fine-tune this ANN method. The analysis was made on million-scale and billion-scale ANN datasets.
Strengths:
1) The paper is novel a... |
The manuscript proposes to to use transformer layers applied to 3D voxel tokens at different levels of detail in order to improve the reconstruction quality of monocular 3D reconstruction (given frame poses) over related work that typically relies on 3D CNNs for multi-view aggregation and fusion.
The core contribution... | Recommendation: 5: marginally below the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The manuscript proposes to to use transformer layers applied to 3D voxel tokens at different levels of detail in order to improve the reconstruction quality of monocular 3D reconstruction (given frame poses) over related work that typically relies on 3D CNNs for multi-view aggregation and fusion.
The core cont... |
This paper focusses on the setting of goal-conditioned RL where subgoals are provided by graph based planners. It introduces two algorithmic contributions:
* a self imitation loss that is inspired by the "optimal substructure property" ie the fact that parts of an optimal path are themselves optimal. This idea is used ... | Recommendation: 6: marginally above the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper focusses on the setting of goal-conditioned RL where subgoals are provided by graph based planners. It introduces two algorithmic contributions:
* a self imitation loss that is inspired by the "optimal substructure property" ie the fact that parts of an optimal path are themselves optimal. This idea ... |
This paper proposes to compute the importance of filters with attention weights. Although the authors utilize existing attention mechanisms (i.e., additive attention and scaled dot-product attention), they properly design a nonlinear activation that considers the range of values and gradients, an alternating training p... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper proposes to compute the importance of filters with attention weights. Although the authors utilize existing attention mechanisms (i.e., additive attention and scaled dot-product attention), they properly design a nonlinear activation that considers the range of values and gradients, an alternating tr... |
The paper proposes an error augmentation neural network to identify the errors made by semantic segmentation models by manipulating the predicted labels fed to the error detection network.
Three transforms are tested - shifting the prediction, swapping a class or completely changing the prediction labels. Along with ... | Recommendation: 5: marginally below the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper proposes an error augmentation neural network to identify the errors made by semantic segmentation models by manipulating the predicted labels fed to the error detection network.
Three transforms are tested - shifting the prediction, swapping a class or completely changing the prediction labels. Alo... |
The paper proposes to combine heat dissipation forward process with gaussian diffusion.
\+ This is an interesting topic and it improves our understanding of what is possible in generative modeling.
\+ The experiments are well-analyzed.
\- The main text of the paper contains excessive details which make it harder to r... | Recommendation: 6: marginally above the acceptance threshold | Area: Generative models | Review:
The paper proposes to combine heat dissipation forward process with gaussian diffusion.
\+ This is an interesting topic and it improves our understanding of what is possible in generative modeling.
\+ The experiments are well-analyzed.
\- The main text of the paper contains excessive details which make it har... |
The paper proposes a novel method for minimizing communication overheads incurred in the setting of split learning when training large models. Specifically, the authors propose a quantization scheme by dividing the activations into sub-vector and applying k-means clustering and use the resulting centroids as a compact ... | Recommendation: 5: marginally below the acceptance threshold | Area: General Machine Learning | Review:
The paper proposes a novel method for minimizing communication overheads incurred in the setting of split learning when training large models. Specifically, the authors propose a quantization scheme by dividing the activations into sub-vector and applying k-means clustering and use the resulting centroids as a ... |
The paper presents a method to end-to-end learn manipulation tasks from raw multi-modal sensory data. Multimodality refers to the use of both propriocetion and RGB-images. The proposed RL method is model-free and off-policy. It relies on image augmentation to learn a multimodal representations fed to an actor and a cri... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
The paper presents a method to end-to-end learn manipulation tasks from raw multi-modal sensory data. Multimodality refers to the use of both propriocetion and RGB-images. The proposed RL method is model-free and off-policy. It relies on image augmentation to learn a multimodal representations fed to an actor a... |
This paper studies a specific instance of Mixup data augmentation: Midpoint Mixup. It provides a theoretical characterization of the learning dynamics of neural networks with mixup-augmented data, and proved how it can improve feature learning by helping the neural network pick up diverse features, under the multi-view... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper studies a specific instance of Mixup data augmentation: Midpoint Mixup. It provides a theoretical characterization of the learning dynamics of neural networks with mixup-augmented data, and proved how it can improve feature learning by helping the neural network pick up diverse features, under the mu... |
The authors proposed a data-augmentation method to improve a measure of individual fairness in classification. They propose to learn an "antidote data generator" using GANs, which is intended to learn "comparable" samples to any given sample from another sensitive class. This data could then be added directly to the tr... | Recommendation: 3: reject, not good enough | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
The authors proposed a data-augmentation method to improve a measure of individual fairness in classification. They propose to learn an "antidote data generator" using GANs, which is intended to learn "comparable" samples to any given sample from another sensitive class. This data could then be added directly t... |
This paper studies the generalization performance of decentralized training compared with the centralized one, especially for the large batch setting. The authors show that there is an implicit regularization that penalizes the sharpness of the learned minima and the consensus violation, and this regularization is ampl... | Recommendation: 3: reject, not good enough | Area: Theory (eg, control theory, learning theory, algorithmic game theory) | Review:
This paper studies the generalization performance of decentralized training compared with the centralized one, especially for the large batch setting. The authors show that there is an implicit regularization that penalizes the sharpness of the learned minima and the consensus violation, and this regularization... |
The paper proposes a new framework, named SIMBIL, for semantic image manipulation. The framework contains three components, including a segmentation module to extract the target object according to the modified scene graph, a RoI prediction module to determine the new location of the target object, and a background-gui... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The paper proposes a new framework, named SIMBIL, for semantic image manipulation. The framework contains three components, including a segmentation module to extract the target object according to the modified scene graph, a RoI prediction module to determine the new location of the target object, and a backgr... |
This paper has proposed the idea of collaborative symmetricity exploitation (CSE) that merges all AP-symmetric solution trajectories of placement problems into a single merged trajectory. This idea can reduce the search space and is applied to tackle the decoupling capacitance placement problem. Specifically, this pape... | Recommendation: 5: marginally below the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper has proposed the idea of collaborative symmetricity exploitation (CSE) that merges all AP-symmetric solution trajectories of placement problems into a single merged trajectory. This idea can reduce the search space and is applied to tackle the decoupling capacitance placement problem. Specifically, t... |
This paper studies the problem of unsupervised exploration in RL, such that the resulting dataset is good for downstream learning (specifically offline RL). The majority of the technical contribution of the paper is in a method for unsupervised exploration.
The proposed method has quite a few moving parts.
- First, ... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper studies the problem of unsupervised exploration in RL, such that the resulting dataset is good for downstream learning (specifically offline RL). The majority of the technical contribution of the paper is in a method for unsupervised exploration.
The proposed method has quite a few moving parts.
-... |
This paper shows that the optimal solutions of many safe RL problems are not robust and safe against observational perturbations. Instead, this paper investigates the unique properties of effective state adversarial attackers for safe RL. The authors design two observational perturbations, i.e., one maximizes the cost ... | Recommendation: 6: marginally above the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper shows that the optimal solutions of many safe RL problems are not robust and safe against observational perturbations. Instead, this paper investigates the unique properties of effective state adversarial attackers for safe RL. The authors design two observational perturbations, i.e., one maximizes t... |
This paper studies an intriguing research question: utilizing the expert demonstration during the policy update step in an Inverse Reinforcement Learning (IRL) algorithm. This technique has been applied by many previous works, but none of them has carefully analyzed the impact of including expert demonstration. In orde... | Recommendation: 3: reject, not good enough | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper studies an intriguing research question: utilizing the expert demonstration during the policy update step in an Inverse Reinforcement Learning (IRL) algorithm. This technique has been applied by many previous works, but none of them has carefully analyzed the impact of including expert demonstration.... |
Inspired by ideas in Neuroscience, like predictive coding (PC), the paper proposes a variational inference scheme based on the Laplace approximation with some similarities in behavior to PC. This variational inference method focuses on generative models, where we approximate the latent variable model via a Gaussian aux... | Recommendation: 3: reject, not good enough | Area: Neuroscience and Cognitive Science (e.g., neural coding, brain-computer interfaces) | Review:
Inspired by ideas in Neuroscience, like predictive coding (PC), the paper proposes a variational inference scheme based on the Laplace approximation with some similarities in behavior to PC. This variational inference method focuses on generative models, where we approximate the latent variable model via a Gaus... |
This paper proposes a Riemannian optimization method to optimize GMM policies. It uses GMM to represent the policy structure and demonstrates an EM-like approach to optimize such a policy with hidden variables with a maximum entropy RL objective. In each iteration, the Gaussian parameters are optimized with the Riemann... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper proposes a Riemannian optimization method to optimize GMM policies. It uses GMM to represent the policy structure and demonstrates an EM-like approach to optimize such a policy with hidden variables with a maximum entropy RL objective. In each iteration, the Gaussian parameters are optimized with the... |
The paper proposed a method that could learn the structure of Markov Network given the variable domains are mixed. The learning algorithm makes no assumption on the parametric form of the probability distribution. To achieve this, author proposed to learn a density estimator using the score metrics framework. In additi... | Recommendation: 8: accept, good paper | Area: General Machine Learning | Review:
The paper proposed a method that could learn the structure of Markov Network given the variable domains are mixed. The learning algorithm makes no assumption on the parametric form of the probability distribution. To achieve this, author proposed to learn a density estimator using the score metrics framework. I... |
This paper is a method for finding embedding for components of encoded dynamical data that captures “co-occurance” of state variables and then perform hierarchical clustering on those embeddings. This method is compared to other representations.
Strengths:
The paper proposes a method for exploring sequence data and ext... | Recommendation: 3: reject, not good enough | Area: General Machine Learning | Review:
This paper is a method for finding embedding for components of encoded dynamical data that captures “co-occurance” of state variables and then perform hierarchical clustering on those embeddings. This method is compared to other representations.
Strengths:
The paper proposes a method for exploring sequence data... |
The authors explore the intrinsic dimension estimation (IDE) of the data and latent representations learned by VAEs to measure the optimal size of the latent space.
They define the optimal dimension as having as many latent dimensions as possible but no passive measurements.
The authors evaluated their approach on th... | Recommendation: 3: reject, not good enough | Area: Generative models | Review:
The authors explore the intrinsic dimension estimation (IDE) of the data and latent representations learned by VAEs to measure the optimal size of the latent space.
They define the optimal dimension as having as many latent dimensions as possible but no passive measurements.
The authors evaluated their approa... |
DISCLAIMER: I reviewed this paper for NeurIPS 2022 earlier this year. As far as I can tell, not much (if anything) has changed in this manuscript. As such, I will reiterate the points in my original review.
Summary:
The authors investigate the performance of existing graph neural network models to discern between rea... | Recommendation: 3: reject, not good enough | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
DISCLAIMER: I reviewed this paper for NeurIPS 2022 earlier this year. As far as I can tell, not much (if anything) has changed in this manuscript. As such, I will reiterate the points in my original review.
Summary:
The authors investigate the performance of existing graph neural network models to discern bet... |
The authors propose a learning-based testing method to identify distribution shifts (a new domain) with access to finite samples of the test domain. The authors define harmful covariate shift (HCS) that may weaken the generalization of a predictive model, and constrained disagreement classifiers (CDC) that performs con... | Recommendation: 6: marginally above the acceptance threshold | Area: General Machine Learning | Review:
The authors propose a learning-based testing method to identify distribution shifts (a new domain) with access to finite samples of the test domain. The authors define harmful covariate shift (HCS) that may weaken the generalization of a predictive model, and constrained disagreement classifiers (CDC) that perf... |
This work is very interesting. It tries to simultaneously address domain generalization, domain adaptation and catastrophic forgetting problem when the learning model needs to tackle continual domain shifts over time, which is called Continual Domain Shift Learning (CDSL). To solve this, this work proposes a framework ... | Recommendation: 8: accept, good paper | Area: Deep Learning and representational learning | Review:
This work is very interesting. It tries to simultaneously address domain generalization, domain adaptation and catastrophic forgetting problem when the learning model needs to tackle continual domain shifts over time, which is called Continual Domain Shift Learning (CDSL). To solve this, this work proposes a fr... |
This paper introduces a method to train a Vision Transformer given a budget defined by a total training time or computation cost. Training a Vision Transformer from scratch is usually expensive, so designing a budgeted training is a way to make the training a Vision Transformer more accessible. The paper analyzes and i... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper introduces a method to train a Vision Transformer given a budget defined by a total training time or computation cost. Training a Vision Transformer from scratch is usually expensive, so designing a budgeted training is a way to make the training a Vision Transformer more accessible. The paper analyz... |
This paper proposes to mitigate the negative transfer, i.e., the conflicting gradients, of different tasks on the shared layers. After showing that the gradient surgery methods cannot reduce the occurrence of conflict by investigating the gradient angle distributions of different tasks, the authors propose to split tho... | Recommendation: 8: accept, good paper | Area: General Machine Learning | Review:
This paper proposes to mitigate the negative transfer, i.e., the conflicting gradients, of different tasks on the shared layers. After showing that the gradient surgery methods cannot reduce the occurrence of conflict by investigating the gradient angle distributions of different tasks, the authors propose to s... |
- Assuming that there is no bi-directional causation, identify the causal direction between X and Y
- Argue that SSL is less effective in the causal direction than in the anti-causal case
- Argue that modeling label noise is agnostic to the causal direction
- suggest a method to detect causal structure based on mod... | Recommendation: 5: marginally below the acceptance threshold | Area: Unsupervised and Self-supervised learning | Review:
- Assuming that there is no bi-directional causation, identify the causal direction between X and Y
- Argue that SSL is less effective in the causal direction than in the anti-causal case
- Argue that modeling label noise is agnostic to the causal direction
- suggest a method to detect causal structure base... |
This work target the setting of offline reinforcement learning with some extra data (without reward) sharing setting. This work proposes a revised reward function to keep the pessimistic property of the algorithm and design the algorithm in linear MDP and general MDP cases. Through different experiments, it shows the p... | Recommendation: 6: marginally above the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This work target the setting of offline reinforcement learning with some extra data (without reward) sharing setting. This work proposes a revised reward function to keep the pessimistic property of the algorithm and design the algorithm in linear MDP and general MDP cases. Through different experiments, it sho... |
This paper proposes a single time-scale actor-critic (AC) algorithm to solve the LQR problem. The authors establish an $O(1/\sqrt{T})$ rate of global convergence. Numerical simulations are provided to demonstrate the performance of the proposed algorithm.
Major Comments:
(1) The claim of "single time-scale" is not cor... | Recommendation: 3: reject, not good enough | Area: Theory (eg, control theory, learning theory, algorithmic game theory) | Review:
This paper proposes a single time-scale actor-critic (AC) algorithm to solve the LQR problem. The authors establish an $O(1/\sqrt{T})$ rate of global convergence. Numerical simulations are provided to demonstrate the performance of the proposed algorithm.
Major Comments:
(1) The claim of "single time-scale" is... |
This paper proposes a new downsampling method for sequential data, which supports varying downsampling ratios across the same data instance. To achieve this, it rearranges each time step on a one-dimensional line segment, which is used to learn an alignment matrix for performing the downsampling. Extensive experiments ... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper proposes a new downsampling method for sequential data, which supports varying downsampling ratios across the same data instance. To achieve this, it rearranges each time step on a one-dimensional line segment, which is used to learn an alignment matrix for performing the downsampling. Extensive expe... |
This paper proposes a simple regularization method named TOTY to address the biased probability distribution problem. The proposed method introduces a teacher and student model for the classifier and employs a regularization loss to improve the classifier. The proposed method achieves better performance on IMDB and AG ... | Recommendation: 5: marginally below the acceptance threshold | Area: Generative models | Review:
This paper proposes a simple regularization method named TOTY to address the biased probability distribution problem. The proposed method introduces a teacher and student model for the classifier and employs a regularization loss to improve the classifier. The proposed method achieves better performance on IMDB... |
This paper proposes a new neural network architecture, i.e., QuasiConvex Neural Network (QCNN), which could make the training process quasiconvex with proper loss functions. QCNN is a stack of its basic building block, which is a linear layer with ReLU activations and min-pooling. The training process of QCNN was forma... | Recommendation: 3: reject, not good enough | Area: Optimization (eg, convex and non-convex optimization) | Review:
This paper proposes a new neural network architecture, i.e., QuasiConvex Neural Network (QCNN), which could make the training process quasiconvex with proper loss functions. QCNN is a stack of its basic building block, which is a linear layer with ReLU activations and min-pooling. The training process of QCNN w... |
This work studies causal confusion in the context of reward learning from preferences. It is shown that rewards learning from preferences achieve poor performance in terms of learning a policy in three robot learning benchmarks. Several factors for causal confusion are identified, including distractor features and nois... | Recommendation: 5: marginally below the acceptance threshold | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
This work studies causal confusion in the context of reward learning from preferences. It is shown that rewards learning from preferences achieve poor performance in terms of learning a policy in three robot learning benchmarks. Several factors for causal confusion are identified, including distractor features ... |
This paper proposes a theoretical analysis of backdoor attacks from the perspective of neural tangent kernels (NTK). It uncovers that NTK is more prone to backdoor attacks than other kernels, e.g., the Laplace kernel. A new poisoning method, NTBA, is proposed based on the analysis. NTBA optimizes the poisoning examples... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper proposes a theoretical analysis of backdoor attacks from the perspective of neural tangent kernels (NTK). It uncovers that NTK is more prone to backdoor attacks than other kernels, e.g., the Laplace kernel. A new poisoning method, NTBA, is proposed based on the analysis. NTBA optimizes the poisoning ... |
The paper studies the problem of whether a neural network model can learn an implicit representation of negation and disjunction in the domain of intuitive physical understanding that predicts how objects might move in space based on visual input. Three experiments are carefully designed to draw two conclusions: on one... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper studies the problem of whether a neural network model can learn an implicit representation of negation and disjunction in the domain of intuitive physical understanding that predicts how objects might move in space based on visual input. Three experiments are carefully designed to draw two conclusions... |
Domain-Indexing Variational Bayes for Domain Adaptation
The manuscript proposes a domain adaption which can infer domain indices (continuous values encoding domain semantics) under the assumptions that domain identities are known but domain indices are not available. The authors first define (local and global) domain ... | Recommendation: 8: accept, good paper | Area: Probabilistic Methods (eg, variational inference, causal inference, Gaussian processes) | Review:
Domain-Indexing Variational Bayes for Domain Adaptation
The manuscript proposes a domain adaption which can infer domain indices (continuous values encoding domain semantics) under the assumptions that domain identities are known but domain indices are not available. The authors first define (local and global)... |
This paper aims to make off-policy RL algorithms more memory-efficient by reducing the size of the experience replay buffer. Specifically, the proposed algorithm keeps experience tuples with higher importance and discards unimportant ones. The importance of a tuple is measured by its "surprise" (TD error) and "on-polic... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper aims to make off-policy RL algorithms more memory-efficient by reducing the size of the experience replay buffer. Specifically, the proposed algorithm keeps experience tuples with higher importance and discards unimportant ones. The importance of a tuple is measured by its "surprise" (TD error) and "... |
One weakness of current language models, especially decoder-only ones, is in lack of expressiveness of representations due to the CLM objective it is retrained on, which poses an issue when used for tasks such as STS or retrieval. The authors suggest augmenting this loss with contrastive loss at both a sequence and tok... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
One weakness of current language models, especially decoder-only ones, is in lack of expressiveness of representations due to the CLM objective it is retrained on, which poses an issue when used for tasks such as STS or retrieval. The authors suggest augmenting this loss with contrastive loss at both a sequence... |
The paper presents neural ordinary differential equations (Neural ODEs) to learn representations of time-series in a latent space. The dynamic of such a latent space uses continuous-time neural ODEs, extending from existing discrete-time versions [Gu et al, 2020] based on orthogonal polynomials. The paper shows that th... | Recommendation: 6: marginally above the acceptance threshold | Area: General Machine Learning | Review:
The paper presents neural ordinary differential equations (Neural ODEs) to learn representations of time-series in a latent space. The dynamic of such a latent space uses continuous-time neural ODEs, extending from existing discrete-time versions [Gu et al, 2020] based on orthogonal polynomials. The paper shows... |
This paper proposes an offline RL method for natural language generation, ILQL, which extends a recently proposed offline RL method, Implicit Q Learning. The base method, Implicit Q Learning, uses expectile regression to learn a q function by limiting itself to only observed dataset actions. This paper translates the i... | Recommendation: 8: accept, good paper | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper proposes an offline RL method for natural language generation, ILQL, which extends a recently proposed offline RL method, Implicit Q Learning. The base method, Implicit Q Learning, uses expectile regression to learn a q function by limiting itself to only observed dataset actions. This paper translat... |
This paper proposes a method to attribute generative models using digital watermarking. The paper explores the use of latent semantic dimensions as watermarks. Experiments are presented using StyleGAN2 and Latent diffusion models, which show that the approach is promising.The paper further showed that there is a tradeo... | Recommendation: 5: marginally below the acceptance threshold | Area: Generative models | Review:
This paper proposes a method to attribute generative models using digital watermarking. The paper explores the use of latent semantic dimensions as watermarks. Experiments are presented using StyleGAN2 and Latent diffusion models, which show that the approach is promising.The paper further showed that there is ... |
This paper aims to address the latent graph inference problem, i.e., inferring the intrinsic graph structure from point cloud-like data where connection is not available in the original data. Based on the discrete Differentiable Graph Module (dDGM) proposed by previous work, this paper extends dDGM with Riemannian geom... | Recommendation: 5: marginally below the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper aims to address the latent graph inference problem, i.e., inferring the intrinsic graph structure from point cloud-like data where connection is not available in the original data. Based on the discrete Differentiable Graph Module (dDGM) proposed by previous work, this paper extends dDGM with Riemann... |
The paper proposes a new method to solve a large class of inverse problems using diffusion models. The approach is to jointly learn both a source data diffusion model and a noise diffusion model, from only a training set of noisy observations. It is assumed that the noise is added to the source signal in a known manner... | Recommendation: 8: accept, good paper | Area: Generative models | Review:
The paper proposes a new method to solve a large class of inverse problems using diffusion models. The approach is to jointly learn both a source data diffusion model and a noise diffusion model, from only a training set of noisy observations. It is assumed that the noise is added to the source signal in a know... |
This work studies the implicit bias of SGD by investigating which kind of explicit regularization can help large batch SGD/GD match the performance of (small batch) SGD. Several new insights are drawn from a systematic set of experiments.
Firstly, the effect of several explicit regularizer are studied, including (1) ... | Recommendation: 6: marginally above the acceptance threshold | Area: General Machine Learning | Review:
This work studies the implicit bias of SGD by investigating which kind of explicit regularization can help large batch SGD/GD match the performance of (small batch) SGD. Several new insights are drawn from a systematic set of experiments.
Firstly, the effect of several explicit regularizer are studied, includ... |
The paper first discusses the issues in the controversial assumptions in a recent literature. Then it proposes two differentially private dataset condensation algorithms LDPDC and NDPDC. In the experiment, it makes the evaluations on multiple datasets and the results show that the proposed two methods achieves better p... | Recommendation: 6: marginally above the acceptance threshold | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
The paper first discusses the issues in the controversial assumptions in a recent literature. Then it proposes two differentially private dataset condensation algorithms LDPDC and NDPDC. In the experiment, it makes the evaluations on multiple datasets and the results show that the proposed two methods achieves ... |
This paper studies to measure the robustness of combinatorial solvers. The solver is defined as non-robust if the CO problem has relaxed constraints while the solver obtains a worse solution. This paper proposes to modify the corresponding graph structure for the CO problem to relax its constraints, and measure the per... | Recommendation: 6: marginally above the acceptance threshold | Area: Optimization (eg, convex and non-convex optimization) | Review:
This paper studies to measure the robustness of combinatorial solvers. The solver is defined as non-robust if the CO problem has relaxed constraints while the solver obtains a worse solution. This paper proposes to modify the corresponding graph structure for the CO problem to relax its constraints, and measure... |
In this work, the authors mainly prove the convergence of Adam under the (L0,L1)-smoothness condition which is borrowed from existing work. Moreover, they use examples to show that GD and SGD can converge much slower than Adam under this assumptions. The reason behind for this advantage of Adam contributes to its usage... | Recommendation: 3: reject, not good enough | Area: Theory (eg, control theory, learning theory, algorithmic game theory) | Review:
In this work, the authors mainly prove the convergence of Adam under the (L0,L1)-smoothness condition which is borrowed from existing work. Moreover, they use examples to show that GD and SGD can converge much slower than Adam under this assumptions. The reason behind for this advantage of Adam contributes to i... |
The paper proposes an approach for inducing invariance to absolute object positions in visual imitation learning policies by determining the policy’s regions of attention in the input image and using a discriminator to ensure the learned visual representations do not encode information about their position. In experime... | Recommendation: 3: reject, not good enough | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
The paper proposes an approach for inducing invariance to absolute object positions in visual imitation learning policies by determining the policy’s regions of attention in the input image and using a discriminator to ensure the learned visual representations do not encode information about their position. In ... |
This paper improves the policy gradient algorithm with three methods: (1)multi-temperature sampling, generate multiple translation samples of the same source sentence using different temperatures; (2)conditional reward normalization, standardize the rewards of the same source sentence by removing the mean and dividing ... | Recommendation: 5: marginally below the acceptance threshold | Area: Reinforcement Learning (eg, decision and control, planning, hierarchical RL, robotics) | Review:
This paper improves the policy gradient algorithm with three methods: (1)multi-temperature sampling, generate multiple translation samples of the same source sentence using different temperatures; (2)conditional reward normalization, standardize the rewards of the same source sentence by removing the mean and d... |
This paper tackles conflicting gradients in multi-task learning (MTL). Specifically, the idea is to identify the shared layers of the multi-task model that exhibit large degrees of conflicting gradients, and replace these layers with task-specific parameters. The reported experiments suggest that only a small number of... | Recommendation: 8: accept, good paper | Area: General Machine Learning | Review:
This paper tackles conflicting gradients in multi-task learning (MTL). Specifically, the idea is to identify the shared layers of the multi-task model that exhibit large degrees of conflicting gradients, and replace these layers with task-specific parameters. The reported experiments suggest that only a small n... |
The paper introduces a novel approach to the problem of out-of-domain texts for fake news classification. The method involves an adaptive model selector which employs Lipschitz smoothness concept to estimate model's relevancy.
The paper shows superiority over a number of baselines and previously introduced methods... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper introduces a novel approach to the problem of out-of-domain texts for fake news classification. The method involves an adaptive model selector which employs Lipschitz smoothness concept to estimate model's relevancy.
The paper shows superiority over a number of baselines and previously introduced... |
This paper proposes an approach for learning a monocular bird's-eye-view that transfers knowledge from Lidar data (used in training) to the testing scenario where only camera images are used. The application is self-driving. The approach is based on a Lidar-Teacher and Camera-Student knowledge distillation model. There... | Recommendation: 8: accept, good paper | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper proposes an approach for learning a monocular bird's-eye-view that transfers knowledge from Lidar data (used in training) to the testing scenario where only camera images are used. The application is self-driving. The approach is based on a Lidar-Teacher and Camera-Student knowledge distillation mode... |
The paper proposes an benchmark (dataset and procedure) to evaluate the bias of human performance in the face recognition problem. To offer more information, the paper reports a set of similar tests on machine performance.
Strengths:
- I totally agree with the paper that there is need in the research to evaluate the ... | Recommendation: 5: marginally below the acceptance threshold | Area: Social Aspects of Machine Learning (eg, AI safety, fairness, privacy, interpretability, human-AI interaction, ethics) | Review:
The paper proposes an benchmark (dataset and procedure) to evaluate the bias of human performance in the face recognition problem. To offer more information, the paper reports a set of similar tests on machine performance.
Strengths:
- I totally agree with the paper that there is need in the research to evalu... |
This paper proposed a GAN variant with structural adversarial objectives for self-supervised (SS) representation learning, which aims to achieve a general SS representation learning, especially escaping dependence upon the hand-crafted elements guiding data augmentation or proxy task design. In particular, at a coarse ... | Recommendation: 3: reject, not good enough | Area: Deep Learning and representational learning | Review:
This paper proposed a GAN variant with structural adversarial objectives for self-supervised (SS) representation learning, which aims to achieve a general SS representation learning, especially escaping dependence upon the hand-crafted elements guiding data augmentation or proxy task design. In particular, at a... |
This paper present an end to end vectorization algorithm for generating HD map. It takes the multi-view images and LiDAR point cloud as the input and produce HD map via series keypoints. At the first stage, a BEV features are extracted from onboard sensor data. Then element keypoints are encoded via map element detecto... | Recommendation: 3: reject, not good enough | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper present an end to end vectorization algorithm for generating HD map. It takes the multi-view images and LiDAR point cloud as the input and produce HD map via series keypoints. At the first stage, a BEV features are extracted from onboard sensor data. Then element keypoints are encoded via map element... |
The authors in this paper, propose a framework which enables training data generation with is computationally inexpensive while being accurate for molecular dynamics simulation. The authors argue that the current state of the art for machine learning force fields are computationally very expensive when it comes to achi... | Recommendation: 6: marginally above the acceptance threshold | Area: Machine Learning for Sciences (eg biology, physics, health sciences, social sciences, climate/sustainability ) | Review:
The authors in this paper, propose a framework which enables training data generation with is computationally inexpensive while being accurate for molecular dynamics simulation. The authors argue that the current state of the art for machine learning force fields are computationally very expensive when it comes... |
The paper falls in the area of deep learning for graphs. It is presented a new methodology for message passing, inspired from the study of interacting particles, in which the distinctive characteristic is that it has (in addition to conventional attracting forces) a repulsive force term in the message passing equation.... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
The paper falls in the area of deep learning for graphs. It is presented a new methodology for message passing, inspired from the study of interacting particles, in which the distinctive characteristic is that it has (in addition to conventional attracting forces) a repulsive force term in the message passing e... |
The paper proposes a method for sleep staging based on Bayesian spatial-temporal transformer.
Strengths:
- Surpasses state-of-the-art for sleep staging
- Shows some spacial interpretability
Weaknesses:
- Improvements are minor (<1% for MASS dataset)
- Figure 1 both transformers are identical.
- Section 4, the method ... | Recommendation: 5: marginally below the acceptance threshold | Area: Machine Learning for Sciences (eg biology, physics, health sciences, social sciences, climate/sustainability ) | Review:
The paper proposes a method for sleep staging based on Bayesian spatial-temporal transformer.
Strengths:
- Surpasses state-of-the-art for sleep staging
- Shows some spacial interpretability
Weaknesses:
- Improvements are minor (<1% for MASS dataset)
- Figure 1 both transformers are identical.
- Section 4, the... |
The paper studies finetuning on model sampled solutions to coding problems. The idea is to sample python solutions to problems, keep solutions that return the correct result in a buffer and finetune on them. The authors experiment with a few different losses for finetuning on the self-sampled solutions and evaluate the... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
The paper studies finetuning on model sampled solutions to coding problems. The idea is to sample python solutions to problems, keep solutions that return the correct result in a buffer and finetune on them. The authors experiment with a few different losses for finetuning on the self-sampled solutions and eval... |
This paper proposed a novel framework that tackles the time series forecasting task by distilling the temporal pattern in the date presentations.
This paper proposed a novel framework that tackles the time series forecasting task by distilling the temporal pattern in the date presentations.
Strengths
1. SOTA metho... | Recommendation: 6: marginally above the acceptance threshold | Area: Deep Learning and representational learning | Review:
This paper proposed a novel framework that tackles the time series forecasting task by distilling the temporal pattern in the date presentations.
This paper proposed a novel framework that tackles the time series forecasting task by distilling the temporal pattern in the date presentations.
Strengths
1. SO... |
This paper uses a quaternion model for capturing rotational distributions. The approach is branded as a new 'method' even if it appears more like a model construction. The efficiency over a baseline is demonstrated on simple data sets.
*Strengths*
1. Quaternions are the standard way of modelling rotations in tracking... | Recommendation: 3: reject, not good enough | Area: Deep Learning and representational learning | Review:
This paper uses a quaternion model for capturing rotational distributions. The approach is branded as a new 'method' even if it appears more like a model construction. The efficiency over a baseline is demonstrated on simple data sets.
*Strengths*
1. Quaternions are the standard way of modelling rotations in ... |
This paper presents Pixel, a masked language modeling approach similar to BERT that first renders text as an image and then encodes the sequence of patches using a ViT. During pre-training, the setup resembles the masked autoencoder – spans of patches are masked, only unmasked patches are encoded and a decoder is used ... | Recommendation: 6: marginally above the acceptance threshold | Area: Applications (eg, speech processing, computer vision, NLP) | Review:
This paper presents Pixel, a masked language modeling approach similar to BERT that first renders text as an image and then encodes the sequence of patches using a ViT. During pre-training, the setup resembles the masked autoencoder – spans of patches are masked, only unmasked patches are encoded and a decoder ... |
This paper studies the test error of the gradient flow (GF) and stochastic gradient descent (SGD) for two-layer ReLU networks. The authors provide several improved results over existing studies under several margin conditions for classification problems. Specifically, the required network width is significantly improve... | Recommendation: 8: accept, good paper | Area: Deep Learning and representational learning | Review:
This paper studies the test error of the gradient flow (GF) and stochastic gradient descent (SGD) for two-layer ReLU networks. The authors provide several improved results over existing studies under several margin conditions for classification problems. Specifically, the required network width is significantly... |
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