Add dataset card

README.md

@@ -6,7 +6,9 @@ size_categories:
   - n>1T
 task_categories:
   - text-generation
-pretty_name: SWE-rebench ConTree Traces
+source_datasets:
+  - nebius/SWE-rebench-V2
+pretty_name: SWE-rebench V2 CodeWorldModeling Traces
 tags:
   - code
   - execution-traces
@@ -14,12 +16,17 @@ tags:
   - marin
 ---
 
-# SWE-rebench ConTree Traces
+# SWE-rebench V2 — CodeWorldModeling Traces
 
-Line-by-line Python execution traces for the test suites of
-[`nebius/SWE-rebench-V2`](https://huggingface.co/datasets/nebius/SWE-rebench-V2),
-captured by running each instance's tests under a tracer inside Nebius ConTree
-sandboxes.
+> **This is a derived dataset.** Every record is produced from an instance of
+> [`nebius/SWE-rebench-V2`](https://huggingface.co/datasets/nebius/SWE-rebench-V2).
+> It is **governed by the SWE-rebench V2 license** — see [License](#license)
+> below — including the requirement to respect each source repository's own
+> license.
+
+Line-by-line Python execution traces for the test suites of SWE-rebench V2
+instances, captured by running each instance's tests under a tracer inside
+Nebius ConTree sandboxes.
 
 For each instance the pipeline traces the PR-affected tests before and after
 the fix patch, plus the repository's full test suite (broad phase). Each row is
@@ -33,6 +40,7 @@ one ``(instance_id, test_id)`` trace.
 | `test_id` | string | pytest node id |
 | `affected` | bool | True = test touched by the PR patch; False = broad-phase test |
 | `text` | string | plain-text annotated source + execution trace |
+| `license` | string | license of the source repository, joined from SWE-rebench V2 by `instance_id` |
 
 `affected=True` rows render as ``<test source>`` / ``# --- pre-patch trace ---``
 / ``# --- patch ---`` / ``# --- post-patch trace ---``; `affected=False` rows
@@ -43,6 +51,35 @@ excluded.
 
 ## Provenance
 
-- **Source**: [`nebius/SWE-rebench-V2`](https://huggingface.co/datasets/nebius/SWE-rebench-V2)
+- **Source dataset**: [`nebius/SWE-rebench-V2`](https://huggingface.co/datasets/nebius/SWE-rebench-V2)
 - **Generator**: `experiments/swe_rebench_trace/contree_pipeline.py` in
   [marin-community/marin](https://github.com/marin-community/marin).
+
+## License
+
+This dataset is derived from SWE-rebench V2 and inherits its license terms:
+
+> The dataset is licensed under the Creative Commons Attribution 4.0 license.
+> However, please respect the license of each specific repository on which a
+> particular instance is based. To facilitate this, the license of each
+> repository at the time of the commit is provided for every instance.
+
+The per-instance source-repository license is included here directly as the
+`license` column. When using or redistributing these traces, honor the license
+of the originating repository for each instance.
+
+## Citation
+
+Please cite the source dataset:
+
+```bibtex
+@misc{badertdinov2026swerebenchv2languageagnosticswe,
+      title={SWE-rebench V2: Language-Agnostic SWE Task Collection at Scale},
+      author={Ibragim Badertdinov and Maksim Nekrashevich and Anton Shevtsov and Alexander Golubev},
+      year={2026},
+      eprint={2602.23866},
+      archivePrefix={arXiv},
+      primaryClass={cs.SE},
+      url={https://arxiv.org/abs/2602.23866},
+}
+```