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--- |
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license: apache-2.0 |
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task_categories: |
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- text-generation |
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tags: |
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- code |
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size_categories: |
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- n<1K |
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language: |
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- en |
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configs: |
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- config_name: default |
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data_files: |
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- split: original |
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path: "dataset.jsonl" |
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- split: verified |
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path: "dataset_verified.jsonl" |
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--- |
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# CP-Bench: A dataset for evaluating LLM-driven constraint modelling |
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[](https://huggingface.co/spaces/kostis-init/CP-Bench-Leaderboard) |
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This dataset is designed to facilitate the evaluation of LLM-based methods for translating natural language problem descriptions into accurate constraint specifications. It contains diverse combinatorial problems, and is sourced from various well-established sources from the Constraint Programming community. |
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--- |
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## Dataset Versions |
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[//]: # (> **tl;dr:** Use `v1_verified`, it's the latest!) |
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You will notice that the dataset contains various splits (which are not exactly splits, but rather different versions of the dataset): |
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- `original`: The original dataset, which contains all problems initially designed, including those with known issues. More details about the issues can be found in the [changelog](cp_bench_changes.md). |
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- `verified`: A stripped-down version of the original dataset that has been verified to contain complete problem specifications with matching ground-truth models. This version is recommended for use in evaluations. |
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--- |
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## 📊 Leaderboard |
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You can easily submit your results and view the global leaderboard here: |
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👉 **[CP-Bench Leaderboard](https://huggingface.co/spaces/kostis-init/CP-Bench-Leaderboard)** |
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--- |
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## Dataset Breakdown |
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The dataset contains problems from the following sources: |
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- `aplai_course`: Problems from the APLAI course of KU Leuven, 2023-2024. As modelled [here](https://github.com/kostis-init/CP-LLMs-ICL/tree/main/data/APLAI_course). |
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- `cpmpy_examples`: Problems from the [CPMpy repository](https://github.com/CPMpy/cpmpy/tree/master/examples) |
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- All included, except for the ones that require enumeration of all solutions (e.g. `solveAll`). |
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- [`csplib`](https://www.csplib.org/Problems/) |
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- For now, only the ones modelled in the [CPMpy repository](https://github.com/CPMpy/cpmpy/tree/master/examples/csplib) are included, and the ones modelled by [Hakan Kjellerstrand](http://www.hakank.org/cpmpy/). |
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- `hakan_examples`: Models created by [Hakan Kjellerstrand](http://www.hakank.org/cpmpy/) |
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- In progress with alphabetical order, excluding the following: |
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- Those already modelled from other sources (e.g. aplai_course, cpmpy_examples, csplib) |
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- Those that contain `solveAll` (counting solutions). |
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- Global constraints tests, e.g. http://www.hakank.org/cpmpy/atmost_test.py |
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--- |
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## Diversity |
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We attempted to include unique problems from different sources, in order to provide a diverse set of problems. |
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However, as this was a manual process, there might be duplicates or similar problems. If you notice any issues, please let us know. |
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--- |
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## Citation |
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If you found our work useful, please consider citing it: |
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```bib |
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@misc{michailidis2025cpbench, |
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title={CP-Bench: Evaluating Large Language Models for Constraint Modelling}, |
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author={Kostis Michailidis and Dimos Tsouros and Tias Guns}, |
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year={2025}, |
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eprint={2506.06052}, |
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archivePrefix={arXiv}, |
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primaryClass={cs.AI}, |
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url={https://arxiv.org/abs/2506.06052}, |
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} |
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``` |
