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541k
1708.01977
Why Adaptively Collected Data Have Negative Bias and How to Correct for It
From scientific experiments to online A/B testing, the previously observed data often affects how future experiments are performed, which in turn affects which data will be collected. Such adaptivity introduces complex correlations between the data and the collection procedure. In this paper, we prove that when the dat...
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78,496
2412.17542
Leveraging Cardiovascular Simulations for In-Vivo Prediction of Cardiac Biomarkers
Whole-body hemodynamics simulators, which model blood flow and pressure waveforms as functions of physiological parameters, are now essential tools for studying cardiovascular systems. However, solving the corresponding inverse problem of mapping observations (e.g., arterial pressure waveforms at specific locations in ...
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true
false
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520,018
1710.09323
Recursion Aware Modeling and Discovery For Hierarchical Software Event Log Analysis (Extended)
This extended paper presents 1) a novel hierarchy and recursion extension to the process tree model; and 2) the first, recursion aware process model discovery technique that leverages hierarchical information in event logs, typically available for software systems. This technique allows us to analyze the operational pr...
false
false
false
false
false
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83,192
2208.07756
Time Minimization and Online Synchronization for Multi-agent Systems under Collaborative Temporal Tasks
Multi-agent systems can be extremely efficient when solving a team-wide task in a concurrent manner. However, without proper synchronization, the correctness of the combined behavior is hard to guarantee, such as to follow a specific ordering of sub-tasks or to perform a simultaneous collaboration. This work addresses ...
false
false
false
false
false
false
false
true
false
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false
313,148
2005.07939
Predicting into unknown space? Estimating the area of applicability of spatial prediction models
Predictive modelling using machine learning has become very popular for spatial mapping of the environment. Models are often applied to make predictions far beyond sampling locations where new geographic locations might considerably differ from the training data in their environmental properties. However, areas in the ...
false
false
false
false
false
false
true
false
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false
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false
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177,445
2308.10875
Applications of Nature-Inspired Metaheuristic Algorithms for Tackling Optimization Problems Across Disciplines
Nature-inspired metaheuristic algorithms are important components of artificial intelligence, and are increasingly used across disciplines to tackle various types of challenging optimization problems. This paper demonstrates the usefulness of such algorithms for solving a variety of challenging optimization problems in...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
true
false
false
386,920
1606.05664
Linear Classification of data with Support Vector Machines and Generalized Support Vector Machines
In this paper, we study the support vector machine and introduced the notion of generalized support vector machine for classification of data. We show that the problem of generalized support vector machine is equivalent to the problem of generalized variational inequality and establish various results for the existence...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
57,441
1904.02331
Extract and Edit: An Alternative to Back-Translation for Unsupervised Neural Machine Translation
The overreliance on large parallel corpora significantly limits the applicability of machine translation systems to the majority of language pairs. Back-translation has been dominantly used in previous approaches for unsupervised neural machine translation, where pseudo sentence pairs are generated to train the models ...
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
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126,396
2311.15545
Out-of-Distribution Generalized Dynamic Graph Neural Network for Human Albumin Prediction
Human albumin is essential for indicating the body's overall health. Accurately predicting plasma albumin levels and determining appropriate doses are urgent clinical challenges, particularly in critically ill patients, to maintain optimal blood levels. However, human albumin prediction is non-trivial that has to lever...
false
true
false
false
true
false
true
false
false
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false
false
false
false
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false
false
false
410,550
2002.00797
Stochastic geometry to generalize the Mondrian Process
The stable under iterated tessellation (STIT) process is a stochastic process that produces a recursive partition of space with cut directions drawn independently from a distribution over the sphere. The case of random axis-aligned cuts is known as the Mondrian process. Random forests and Laplace kernel approximations ...
false
false
false
false
false
false
true
false
false
false
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false
false
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false
false
false
false
162,472
1402.6763
Linear Programming for Large-Scale Markov Decision Problems
We consider the problem of controlling a Markov decision process (MDP) with a large state space, so as to minimize average cost. Since it is intractable to compete with the optimal policy for large scale problems, we pursue the more modest goal of competing with a low-dimensional family of policies. We use the dual lin...
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false
false
false
true
false
false
false
false
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false
false
false
false
false
false
true
31,200
1603.07954
Improving Information Extraction by Acquiring External Evidence with Reinforcement Learning
Most successful information extraction systems operate with access to a large collection of documents. In this work, we explore the task of acquiring and incorporating external evidence to improve extraction accuracy in domains where the amount of training data is scarce. This process entails issuing search queries, ex...
false
false
false
false
false
false
false
false
true
false
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53,689
2403.07889
Reconfigurable Intelligent Surfaces for THz: Hardware Design and Signal Processing Challenges
Wireless communications in the THz frequency band is an envisioned revolutionary technology for sixth Generation (6G) networks. However, such frequencies impose certain coverage and device design challenges that need to be efficiently overcome. To this end, the development of cost- and energy-efficient approaches for s...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
437,073
2208.06988
IRL with Partial Observations using the Principle of Uncertain Maximum Entropy
The principle of maximum entropy is a broadly applicable technique for computing a distribution with the least amount of information possible while constrained to match empirically estimated feature expectations. However, in many real-world applications that use noisy sensors computing the feature expectations may be c...
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
312,899
2501.16396
TopoNets: High Performing Vision and Language Models with Brain-Like Topography
Neurons in the brain are organized such that nearby cells tend to share similar functions. AI models lack this organization, and past efforts to introduce topography have often led to trade-offs between topography and task performance. In this work, we present TopoLoss, a new loss function that promotes spatially organ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
true
false
false
527,958
2302.05206
The Wisdom of Hindsight Makes Language Models Better Instruction Followers
Reinforcement learning has seen wide success in finetuning large language models to better align with instructions via human feedback. The so-called algorithm, Reinforcement Learning with Human Feedback (RLHF) demonstrates impressive performance on the GPT series models. However, the underlying Reinforcement Learning (...
false
false
false
false
true
false
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false
true
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false
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344,968
2306.12525
LPFormer: LiDAR Pose Estimation Transformer with Multi-Task Network
Due to the difficulty of acquiring large-scale 3D human keypoint annotation, previous methods for 3D human pose estimation (HPE) have often relied on 2D image features and sequential 2D annotations. Furthermore, the training of these networks typically assumes the prediction of a human bounding box and the accurate ali...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
374,966
2305.02795
Class-Distribution-Aware Pseudo Labeling for Semi-Supervised Multi-Label Learning
Pseudo-labeling has emerged as a popular and effective approach for utilizing unlabeled data. However, in the context of semi-supervised multi-label learning (SSMLL), conventional pseudo-labeling methods encounter difficulties when dealing with instances associated with multiple labels and an unknown label count. These...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
362,175
2006.13575
Large-scale detection and categorization of oil spills from SAR images with deep learning
We propose a deep learning framework to detect and categorize oil spills in synthetic aperture radar (SAR) images at a large scale. By means of a carefully designed neural network model for image segmentation trained on an extensive dataset, we are able to obtain state-of-the-art performance in oil spill detection, ach...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
183,963
2312.03807
Achieving ${O}(\epsilon^{-1.5})$ Complexity in Hessian/Jacobian-free Stochastic Bilevel Optimization
In this paper, we revisit the bilevel optimization problem, in which the upper-level objective function is generally nonconvex and the lower-level objective function is strongly convex. Although this type of problem has been studied extensively, it still remains an open question how to achieve an ${O}(\epsilon^{-1.5})$...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
413,445
2105.14421
VersatileGait: A Large-Scale Synthetic Gait Dataset Towards in-the-Wild Simulation
Gait recognition has a rapid development in recent years. However, gait recognition in the wild is not well explored yet. An obvious reason could be ascribed to the lack of diverse training data from the perspective of intrinsic and extrinsic factors. To remedy this problem, we propose to construct a large-scale gait d...
false
false
false
false
false
false
false
false
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false
true
false
false
false
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false
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237,662
2208.08910
Learned Indexing in Proteins: Extended Work on Substituting Complex Distance Calculations with Embedding and Clustering Techniques
Despite the constant evolution of similarity searching research, it continues to face the same challenges stemming from the complexity of the data, such as the curse of dimensionality and computationally expensive distance functions. Various machine learning techniques have proven capable of replacing elaborate mathema...
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false
false
false
false
true
true
false
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313,533
2207.06726
Octuplet Loss: Make Face Recognition Robust to Image Resolution
Image resolution, or in general, image quality, plays an essential role in the performance of today's face recognition systems. To address this problem, we propose a novel combination of the popular triplet loss to improve robustness against image resolution via fine-tuning of existing face recognition models. With oct...
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false
false
false
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307,972
2012.01536
Improving KernelSHAP: Practical Shapley Value Estimation via Linear Regression
The Shapley value concept from cooperative game theory has become a popular technique for interpreting ML models, but efficiently estimating these values remains challenging, particularly in the model-agnostic setting. Here, we revisit the idea of estimating Shapley values via linear regression to understand and improv...
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false
false
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209,442
0905.2311
Residus de 2-formes differentielles sur les surfaces algebriques et applications aux codes correcteurs d'erreurs
The theory of algebraic-geometric codes has been developed in the beginning of the 80's after a paper of V.D. Goppa. Given a smooth projective algebraic curve X over a finite field, there are two different constructions of error-correcting codes. The first one, called "functional", uses some rational functions on X and...
false
false
false
false
false
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false
true
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false
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false
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3,683
2403.06354
Amharic LLaMA and LLaVA: Multimodal LLMs for Low Resource Languages
Large Language Models (LLMs) like GPT-4 and LLaMA have shown incredible proficiency at natural language processing tasks and have even begun to excel at tasks across other modalities such as vision and audio. Despite their success, LLMs often struggle to perform well on low-resource languages because there is so little...
false
false
false
false
false
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false
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false
false
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false
false
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436,407
1706.07639
Causal Embeddings for Recommendation
Many current applications use recommendations in order to modify the natural user behavior, such as to increase the number of sales or the time spent on a website. This results in a gap between the final recommendation objective and the classical setup where recommendation candidates are evaluated by their coherence wi...
false
false
false
false
false
true
false
false
false
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false
false
false
false
false
false
false
75,879
1902.03782
Exploring Explicit Domain Supervision for Latent Space Disentanglement in Unpaired Image-to-Image Translation
Image-to-image translation tasks have been widely investigated with Generative Adversarial Networks (GANs). However, existing approaches are mostly designed in an unsupervised manner while little attention has been paid to domain information within unpaired data. In this paper, we treat domain information as explicit s...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
121,200
2202.13239
QOC: Quantum On-Chip Training with Parameter Shift and Gradient Pruning
Parameterized Quantum Circuits (PQC) are drawing increasing research interest thanks to its potential to achieve quantum advantages on near-term Noisy Intermediate Scale Quantum (NISQ) hardware. In order to achieve scalable PQC learning, the training process needs to be offloaded to real quantum machines instead of usi...
false
false
false
false
false
false
true
false
false
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true
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false
false
true
282,535
2301.12082
Pushing the Limits of Fewshot Anomaly Detection in Industry Vision: Graphcore
In the area of fewshot anomaly detection (FSAD), efficient visual feature plays an essential role in memory bank M-based methods. However, these methods do not account for the relationship between the visual feature and its rotated visual feature, drastically limiting the anomaly detection performance. To push the limi...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
342,390
2207.10953
Visible and Near Infrared Image Fusion Based on Texture Information
Multi-sensor fusion is widely used in the environment perception system of the autonomous vehicle. It solves the interference caused by environmental changes and makes the whole driving system safer and more reliable. In this paper, a novel visible and near-infrared fusion method based on texture information is propose...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
309,457
2408.17005
Efficient Camera Exposure Control for Visual Odometry via Deep Reinforcement Learning
The stability of visual odometry (VO) systems is undermined by degraded image quality, especially in environments with significant illumination changes. This study employs a deep reinforcement learning (DRL) framework to train agents for exposure control, aiming to enhance imaging performance in challenging conditions....
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
484,539
2407.14953
AgileDART: An Agile and Scalable Edge Stream Processing Engine
Edge applications generate a large influx of sensor data on massive scales, and these massive data streams must be processed shortly to derive actionable intelligence. However, traditional data processing systems are not well-suited for these edge applications as they often do not scale well with a large number of conc...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
true
474,970
1607.04730
Spatio-Temporal Saliency Networks for Dynamic Saliency Prediction
Computational saliency models for still images have gained significant popularity in recent years. Saliency prediction from videos, on the other hand, has received relatively little interest from the community. Motivated by this, in this work, we study the use of deep learning for dynamic saliency prediction and propos...
false
false
false
false
false
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true
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58,649
2405.00217
GMC-PINNs: A new general Monte Carlo PINNs method for solving fractional partial differential equations on irregular domains
Physics-Informed Neural Networks (PINNs) have been widely used for solving partial differential equations (PDEs) of different types, including fractional PDEs (fPDES) [29]. Herein, we propose a new general (quasi) Monte Carlo PINN for solving fPDEs on irregular domains. Specifically, instead of approximating fractional...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
450,832
2211.00543
Geo-Information Harvesting from Social Media Data
As unconventional sources of geo-information, massive imagery and text messages from open platforms and social media form a temporally quasi-seamless, spatially multi-perspective stream, but with unknown and diverse quality. Due to its complementarity to remote sensing data, geo-information from these sources offers pr...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
327,911
2406.12362
Certified ML Object Detection for Surveillance Missions
In this paper, we present a development process of a drone detection system involving a machine learning object detection component. The purpose is to reach acceptable performance objectives and provide sufficient evidences, required by the recommendations (soon to be published) of the ED 324 / ARP 6983 standard, to ga...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
465,363
2309.04370
Seeing-Eye Quadruped Navigation with Force Responsive Locomotion Control
Seeing-eye robots are very useful tools for guiding visually impaired people, potentially producing a huge societal impact given the low availability and high cost of real guide dogs. Although a few seeing-eye robot systems have already been demonstrated, none considered external tugs from humans, which frequently occu...
false
false
false
false
false
false
true
true
false
false
false
false
false
false
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false
false
false
390,703
1909.01648
Regression-based sparse polynomial chaos for uncertainty quantification of subsurface flow models
Surrogate-modelling techniques including Polynomial Chaos Expansion (PCE) is commonly used for statistical estimation (aka. Uncertainty Quantification) of quantities of interests obtained from expensive computational models. PCE is a data-driven regression-based technique that relies on spectral polynomials as basis-fu...
false
true
false
false
false
false
false
false
false
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false
false
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false
true
143,967
1805.10726
A Neurobiological Evaluation Metric for Neural Network Model Search
Neuroscience theory posits that the brain's visual system coarsely identifies broad object categories via neural activation patterns, with similar objects producing similar neural responses. Artificial neural networks also have internal activation behavior in response to stimuli. We hypothesize that networks exhibiting...
false
false
false
false
false
false
false
false
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true
false
false
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98,754
2212.02848
SignNet: Single Channel Sign Generation using Metric Embedded Learning
A true interpreting agent not only understands sign language and translates to text, but also understands text and translates to signs. Much of the AI work in sign language translation to date has focused mainly on translating from signs to text. Towards the latter goal, we propose a text-to-sign translation model, Sig...
true
false
false
false
true
false
false
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false
false
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false
false
334,912
2111.06386
Keyless Authentication for AWGN Channels
This work establishes that the physical layer can be used to perform information-theoretic authentication in additive white Gaussian noise channels, as long as the adversary is not omniscient. The model considered consists of an encoder, decoder, and adversary, where the adversary has access to the message, a non-causa...
false
false
false
false
false
false
false
false
false
true
false
false
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false
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266,058
2409.19270
OpenSep: Leveraging Large Language Models with Textual Inversion for Open World Audio Separation
Audio separation in real-world scenarios, where mixtures contain a variable number of sources, presents significant challenges due to limitations of existing models, such as over-separation, under-separation, and dependence on predefined training sources. We propose OpenSep, a novel framework that leverages large langu...
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false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
492,610
2412.06352
SeFENet: Robust Deep Homography Estimation via Semantic-Driven Feature Enhancement
Images captured in harsh environments often exhibit blurred details, reduced contrast, and color distortion, which hinder feature detection and matching, thereby affecting the accuracy and robustness of homography estimation. While visual enhancement can improve contrast and clarity, it may introduce visual-tolerant ar...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
515,215
1702.08410
Clustering in Discrete Path Planning for Approximating Minimum Length Paths
In this paper we consider discrete robot path planning problems on metric graphs. We propose a clustering method, Gamma-Clustering for the planning graph that significantly reduces the number of feasible solutions, yet retains a solution within a constant factor of the optimal. By increasing the input parameter Gamma, ...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
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false
false
68,979
2006.06158
0-MMS: Zero-Shot Multi-Motion Segmentation With A Monocular Event Camera
Segmentation of moving objects in dynamic scenes is a key process in scene understanding for navigation tasks. Classical cameras suffer from motion blur in such scenarios rendering them effete. On the contrary, event cameras, because of their high temporal resolution and lack of motion blur, are tailor-made for this pr...
false
false
false
false
false
false
false
false
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true
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181,329
1511.05538
Material degradation due to moisture and temperature. Part 1: Mathematical model, analysis, and analytical solutions
The mechanical response, serviceability, and load bearing capacity of materials and structural components can be adversely affected due to external stimuli, which include exposure to a corrosive chemical species, high temperatures, temperature fluctuations (i.e., freezing-thawing), cyclic mechanical loading, just to na...
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true
false
false
false
false
false
false
false
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false
false
false
false
false
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false
false
49,058
2309.09864
Learning Spatial and Temporal Hierarchies: Hierarchical Active Inference for navigation in Multi-Room Maze Environments
Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment. The ability to learn and infer the underlying structure of the environment is crucial for effective exploration and navigation. This paper introduces a hierarchical active in...
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false
false
false
true
false
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false
false
392,771
2011.00573
Two-Level K-FAC Preconditioning for Deep Learning
In the context of deep learning, many optimization methods use gradient covariance information in order to accelerate the convergence of Stochastic Gradient Descent. In particular, starting with Adagrad, a seemingly endless line of research advocates the use of diagonal approximations of the so-called empirical Fisher ...
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false
false
false
false
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true
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204,275
2207.11782
Enhancements to the BOUN Treebank Reflecting the Agglutinative Nature of Turkish
In this study, we aim to offer linguistically motivated solutions to resolve the issues of the lack of representation of null morphemes, highly productive derivational processes, and syncretic morphemes of Turkish in the BOUN Treebank without diverging from the Universal Dependencies framework. In order to tackle the...
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false
false
false
false
false
false
false
true
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309,781
2006.00284
Unit Commitment Considering the Impact of Deep Cycling
Wind energy has been integrated into the power system with the hope that it improves the energy efficiency and decreases greenhouse gas emission. However, several studies over the world imply that the result was in the opposite way that was hoped mainly because of the negative correlation between wind availability and ...
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false
false
false
false
false
false
false
false
false
true
false
false
false
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false
false
179,426
2209.13831
Supervised Class-pairwise NMF for Data Representation and Classification
Various Non-negative Matrix factorization (NMF) based methods add new terms to the cost function to adapt the model to specific tasks, such as clustering, or to preserve some structural properties in the reduced space (e.g., local invariance). The added term is mainly weighted by a hyper-parameter to control the balanc...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
320,040
2210.13669
Help me write a poem: Instruction Tuning as a Vehicle for Collaborative Poetry Writing
Recent work in training large language models (LLMs) to follow natural language instructions has opened up exciting opportunities for natural language interface design. Building on the prior success of LLMs in the realm of computer-assisted creativity, we aim to study if LLMs can improve the quality of user-generated c...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
326,253
2205.10115
Testing predictive automated driving systems: lessons learned and future recommendations
Conventional vehicles are certified through classical approaches, where different physical certification tests are set up on test tracks to assess required safety levels. These approaches are well suited for vehicles with limited complexity and limited interactions with other entities as last-second resources. However,...
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false
false
false
true
false
false
true
false
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true
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297,565
1907.10710
Generic Intent Representation in Web Search
This paper presents GEneric iNtent Encoder (GEN Encoder) which learns a distributed representation space for user intent in search. Leveraging large scale user clicks from Bing search logs as weak supervision of user intent, GEN Encoder learns to map queries with shared clicks into similar embeddings end-to-end and the...
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false
false
false
false
true
false
false
true
false
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false
false
false
false
139,685
2310.00924
Simulation Assessment Guidelines towards Independent Safety Assurance of Autonomous Vehicles
This Simulation Assessment Guidelines document is a public guidelines document developed by the Centre of Excellence for Testing & Research of AVs - NTU (CETRAN) in collaboration with the Land Transport Authority (LTA) of Singapore. It is primarily intended to help the developers of Autonomous Vehicles (AVs) in Singapo...
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false
false
false
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396,211
2301.13833
A Mathematical Model for Curriculum Learning for Parities
Curriculum learning (CL) - training using samples that are generated and presented in a meaningful order - was introduced in the machine learning context around a decade ago. While CL has been extensively used and analysed empirically, there has been very little mathematical justification for its advantages. We introdu...
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343,049
2303.07787
One Size Cannot Fit All: a Self-Adaptive Dispatcher for Skewed Hash Join in Shared-nothing RDBMSs
Shared-nothing architecture has been widely adopted in various commercial distributed RDBMSs. Thanks to the architecture, query can be processed in parallel and accelerated by scaling up the cluster horizontally on demand. In spite of that, load balancing has been a challenging issue in all distributed RDBMSs, includin...
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351,379
1604.08708
Mobile Robot Navigation on Partially Known Maps using a Fast A Star Algorithm Version
Mobile robot navigation in total or partially unknown environments is still an open problem. The path planning algorithms lack completeness and/or performance. Thus, there is the need for complete (i.e., the algorithm determines in finite time either a solution or correctly reports that there is none) and performance (...
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false
false
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false
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true
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55,242
2211.10228
GNS: A generalizable Graph Neural Network-based simulator for particulate and fluid modeling
We develop a PyTorch-based Graph Network Simulator (GNS) that learns physics and predicts the flow behavior of particulate and fluid systems. GNS discretizes the domain with nodes representing a collection of material points and the links connecting the nodes representing the local interaction between particles or clus...
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false
false
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331,243
1906.08318
REflex: Flexible Framework for Relation Extraction in Multiple Domains
Systematic comparison of methods for relation extraction (RE) is difficult because many experiments in the field are not described precisely enough to be completely reproducible and many papers fail to report ablation studies that would highlight the relative contributions of their various combined techniques. In this ...
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135,831
2402.02516
Adaptive scheduling for adaptive sampling in POS taggers construction
We introduce an adaptive scheduling for adaptive sampling as a novel way of machine learning in the construction of part-of-speech taggers. The goal is to speed up the training on large data sets, without significant loss of performance with regard to an optimal configuration. In contrast to previous methods using a ra...
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true
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426,598
2409.15584
FACET: Fast and Accurate Event-Based Eye Tracking Using Ellipse Modeling for Extended Reality
Eye tracking is a key technology for gaze-based interactions in Extended Reality (XR), but traditional frame-based systems struggle to meet XR's demands for high accuracy, low latency, and power efficiency. Event cameras offer a promising alternative due to their high temporal resolution and low power consumption. In t...
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490,971
1908.11337
CCKS 2019 Shared Task on Inter-Personal Relationship Extraction
The CCKS2019 shared task was devoted to inter-personal relationship extraction. Given two person entities and at least one sentence containing these two entities, participating teams are asked to predict the relationship between the entities according to a given relation list. This year, 358 teams from various universi...
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143,356
2410.21254
Are BabyLMs Second Language Learners?
This paper describes a linguistically-motivated approach to the 2024 edition of the BabyLM Challenge (Warstadt et al. 2023). Rather than pursuing a first language learning (L1) paradigm, we approach the challenge from a second language (L2) learning perspective. In L2 learning, there is a stronger focus on learning exp...
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503,147
2004.04330
The Secrecy Capacity of Cost-Constrained Wiretap Channels
In many information-theoretic channel coding problems, adding an input cost constraint to the operational setup amounts to restricting the optimization domain in the capacity formula. This paper shows that, in contrast to common belief, such a simple modification does not hold for the cost-constrained (CC) wiretap chan...
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171,847
2208.07472
Towards Inclusive HRI: Using Sim2Real to Address Underrepresentation in Emotion Expression Recognition
Robots and artificial agents that interact with humans should be able to do so without bias and inequity, but facial perception systems have notoriously been found to work more poorly for certain groups of people than others. In our work, we aim to build a system that can perceive humans in a more transparent and inclu...
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313,056
2412.06204
You KAN Do It in a Single Shot: Plug-and-Play Methods with Single-Instance Priors
The use of Plug-and-Play (PnP) methods has become a central approach for solving inverse problems, with denoisers serving as regularising priors that guide optimisation towards a clean solution. In this work, we introduce KAN-PnP, an optimisation framework that incorporates Kolmogorov-Arnold Networks (KANs) as denoiser...
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false
false
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false
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true
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515,147
2107.08396
GraphGen-Redux: a Fast and Lightweight Recurrent Model for labeled Graph Generation
The problem of labeled graph generation is gaining attention in the Deep Learning community. The task is challenging due to the sparse and discrete nature of graph spaces. Several approaches have been proposed in the literature, most of which require to transform the graphs into sequences that encode their structure an...
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false
false
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true
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246,719
2408.00676
An effect analysis of the balancing techniques on the counterfactual explanations of student success prediction models
In the past decade, we have experienced a massive boom in the usage of digital solutions in higher education. Due to this boom, large amounts of data have enabled advanced data analysis methods to support learners and examine learning processes. One of the dominant research directions in learning analytics is predictiv...
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false
477,928
1711.07377
Pixel-wise object tracking
In this paper, we propose a novel pixel-wise visual object tracking framework that can track any anonymous object in a noisy background. The framework consists of two submodels, a global attention model and a local segmentation model. The global model generates a region of interests (ROI) that the object may lie in the...
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false
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false
84,980
1812.00913
The Right (Angled) Perspective: Improving the Understanding of Road Scenes Using Boosted Inverse Perspective Mapping
Many tasks performed by autonomous vehicles such as road marking detection, object tracking, and path planning are simpler in bird's-eye view. Hence, Inverse Perspective Mapping (IPM) is often applied to remove the perspective effect from a vehicle's front-facing camera and to remap its images into a 2D domain, resulti...
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false
false
false
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false
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true
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true
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115,385
2106.06304
Automated Configuration of Genetic Algorithms by Tuning for Anytime Performance
Finding the best configuration of algorithms' hyperparameters for a given optimization problem is an important task in evolutionary computation. We compare in this work the results of four different hyperparameter tuning approaches for a family of genetic algorithms on 25 diverse pseudo-Boolean optimization problems. M...
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240,440
2203.04187
RankSeg: Adaptive Pixel Classification with Image Category Ranking for Segmentation
The segmentation task has traditionally been formulated as a complete-label pixel classification task to predict a class for each pixel from a fixed number of predefined semantic categories shared by all images or videos. Yet, following this formulation, standard architectures will inevitably encounter various challeng...
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284,376
2202.10774
Social Computational Design Method for Generating Product Shapes with GAN and Transformer Models
A social computational design method is established, aiming at taking advantages of the fast-developing artificial intelligence technologies for intelligent product design. Supported with multi-agent system, shape grammar, Generative adversarial network, Bayesian network, Transformer, etc., the method is able to define...
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false
281,661
2302.12289
Beyond Moments: Robustly Learning Affine Transformations with Asymptotically Optimal Error
We present a polynomial-time algorithm for robustly learning an unknown affine transformation of the standard hypercube from samples, an important and well-studied setting for independent component analysis (ICA). Specifically, given an $\epsilon$-corrupted sample from a distribution $D$ obtained by applying an unknown...
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true
347,505
1911.05567
DARTS: DenseUnet-based Automatic Rapid Tool for brain Segmentation
Quantitative, volumetric analysis of Magnetic Resonance Imaging (MRI) is a fundamental way researchers study the brain in a host of neurological conditions including normal maturation and aging. Despite the availability of open-source brain segmentation software, widespread clinical adoption of volumetric analysis has ...
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false
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153,302
1502.04137
Non-Adaptive Learning a Hidden Hipergraph
We give a new deterministic algorithm that non-adaptively learns a hidden hypergraph from edge-detecting queries. All previous non-adaptive algorithms either run in exponential time or have non-optimal query complexity. We give the first polynomial time non-adaptive learning algorithm for learning hypergraph that asks ...
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false
40,221
2206.03943
Robust Environment Perception for Automated Driving: A Unified Learning Pipeline for Visual-Infrared Object Detection
The RGB complementary metal-oxidesemiconductor (CMOS) sensor works within the visible light spectrum. Therefore it is very sensitive to environmental light conditions. On the contrary, a long-wave infrared (LWIR) sensor operating in 8-14 micro meter spectral band, functions independent of visible light. In this paper...
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301,461
2208.06379
Microscopic fluctuations in power-grid frequency recordings at the sub-second scale
Complex systems, such as the power grid, are essential for our daily lives. Many complex systems display (multi-)fractal behavior, correlated fluctuations and power laws. Whether the power-grid frequency, an indicator about the balance on supply and demand in the electricity grid, also displays such complexity remains ...
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false
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false
312,698
2106.14306
3D Reconstruction through Fusion of Cross-View Images
3D recovery from multi-stereo and stereo images, as an important application of the image-based perspective geometry, serves many applications in computer vision, remote sensing and Geomatics. In this chapter, the authors utilize the imaging geometry and present approaches that perform 3D reconstruction from cross-view...
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false
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false
243,360
1812.11600
Constrained Inverse Optimal Control with Application to a Human Manipulation Task
This paper presents an inverse optimal control methodology and its application to training a predictive model of human motor control from a manipulation task. It introduces a convex formulation for learning both objective function and constraints of an infinite-horizon constrained optimal control problem with nonlinear...
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false
117,596
2312.04355
Secure Cell-Free Integrated Sensing and Communication in the Presence of Information and Sensing Eavesdroppers
This paper studies a secure cell-free integrated sensing and communication (ISAC) system, in which multiple ISAC transmitters collaboratively send confidential information to multiple communication users (CUs) and concurrently conduct target detection. Different from prior works investigating communication security aga...
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413,649
2202.03038
Deep Networks on Toroids: Removing Symmetries Reveals the Structure of Flat Regions in the Landscape Geometry
We systematize the approach to the investigation of deep neural network landscapes by basing it on the geometry of the space of implemented functions rather than the space of parameters. Grouping classifiers into equivalence classes, we develop a standardized parameterization in which all symmetries are removed, result...
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279,049
2108.01595
Extending a Physics-Based Constitutive Model using Genetic Programming
In material science, models are derived to predict emergent material properties (e.g. elasticity, strength, conductivity) and their relations to processing conditions. A major drawback is the calibration of model parameters that depend on processing conditions. Currently, these parameters must be optimized to fit measu...
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false
249,075
1804.01614
Pigeonring: A Principle for Faster Thresholded Similarity Search
The pigeonhole principle states that if $n$ items are contained in $m$ boxes, then at least one box has no more than $n / m$ items. It is utilized to solve many data management problems, especially for thresholded similarity searches. Despite many pigeonhole principle-based solutions proposed in the last few decades, t...
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true
94,252
1603.08150
Data-Driven Dynamic Decision Models
This article outlines a method for automatically generating models of dynamic decision-making that both have strong predictive power and are interpretable in human terms. This is useful for designing empirically grounded agent-based simulations and for gaining direct insight into observed dynamic processes. We use an e...
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true
true
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true
53,735
2412.18884
HV-BEV: Decoupling Horizontal and Vertical Feature Sampling for Multi-View 3D Object Detection
The application of vision-based multi-view environmental perception system has been increasingly recognized in autonomous driving technology, especially the BEV-based models. Current state-of-the-art solutions primarily encode image features from each camera view into the BEV space through explicit or implicit depth pr...
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false
520,621
2412.16276
SGAC: A Graph Neural Network Framework for Imbalanced and Structure-Aware AMP Classification
Classifying antimicrobial peptides(AMPs) from the vast array of peptides mined from metagenomic sequencing data is a significant approach to addressing the issue of antibiotic resistance. However, current AMP classification methods, primarily relying on sequence-based data, neglect the spatial structure of peptides, th...
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false
519,457
1610.09975
Neural Speech Recognizer: Acoustic-to-Word LSTM Model for Large Vocabulary Speech Recognition
We present results that show it is possible to build a competitive, greatly simplified, large vocabulary continuous speech recognition system with whole words as acoustic units. We model the output vocabulary of about 100,000 words directly using deep bi-directional LSTM RNNs with CTC loss. The model is trained on 125,...
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63,143
2410.18441
The Nature of Mathematical Modeling and Probabilistic Optimization Engineering in Generative AI
In this paper, we give an in-depth analysis on the mathematical problem formulations and the probabilistic optimization explorations for some of the key components in Transformer model [33] in the field of generative AI. We explore and discuss some potential further enhancement for current state of the art methods for ...
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501,886
2208.00141
Distributed Scheduling at Non-Signalized Intersections with Mixed Cooperative and Non-Cooperative Vehicles
Intersection management with mixed cooperative and non-cooperative vehicles is crucial in next-generation transportation systems. For fully non-cooperative systems, a minimax scheduling framework was established, while it is inefficient in mixed systems as the benefit of cooperation is not exploited. This letter focuse...
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310,751
2406.16851
Losing Visual Needles in Image Haystacks: Vision Language Models are Easily Distracted in Short and Long Contexts
We present LoCoVQA, a dynamic benchmark generator for evaluating long-context extractive reasoning in vision language models (VLMs). LoCoVQA augments test examples for mathematical reasoning, VQA, and character recognition tasks with increasingly long visual contexts composed of both in-distribution and out-of-distribu...
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false
false
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467,300
2108.00270
Opinion Prediction with User Fingerprinting
Opinion prediction is an emerging research area with diverse real-world applications, such as market research and situational awareness. We identify two lines of approaches to the problem of opinion prediction. One uses topic-based sentiment analysis with time-series modeling, while the other uses static embedding of t...
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false
248,652
1703.00152
Saliency Detection by Forward and Backward Cues in Deep-CNNs
As prior knowledge of objects or object features helps us make relations for similar objects on attentional tasks, pre-trained deep convolutional neural networks (CNNs) can be used to detect salient objects on images regardless of the object class is in the network knowledge or not. In this paper, we propose a top-down...
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69,119
2301.00008
Effects of Data Geometry in Early Deep Learning
Deep neural networks can approximate functions on different types of data, from images to graphs, with varied underlying structure. This underlying structure can be viewed as the geometry of the data manifold. By extending recent advances in the theoretical understanding of neural networks, we study how a randomly init...
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338,768
2001.08809
Universal Data Anomaly Detection via Inverse Generative Adversary Network
The problem of detecting data anomaly is considered. Under the null hypothesis that models anomaly-free data, measurements are assumed to be from an unknown distribution with some authenticated historical samples. Under the composite alternative hypothesis, measurements are from an unknown distribution positive distanc...
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161,390
1703.04159
Any-Angle Pathfinding for Multiple Agents Based on SIPP Algorithm
The problem of finding conflict-free trajectories for multiple agents of identical circular shape, operating in shared 2D workspace, is addressed in the paper and decoupled, e.g., prioritized, approach is used to solve this problem. Agents' workspace is tessellated into the square grid on which any-angle moves are allo...
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69,848
cs/0611132
The specifications making in complex CAD-system of renovation of the enterprises on the basis of modules in the drawing and electronic catalogues
The experience of automation of the specifications making of the projects of renovation of the industrial enterprises is described, being based on the special modules in the drawing containing the visible image and additional parameters, and electronic catalogues
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539,913
1902.00683
Nonlinear System Identification: A User-Oriented Roadmap
The goal of this article is twofold. Firstly, nonlinear system identification is introduced to a wide audience, guiding practicing engineers and newcomers in the field to a sound solution of their data driven modeling problems for nonlinear dynamic systems. In addition, the article also provides a broad perspective on ...
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120,478