---
license: apache-2.0
task_categories:
- text-retrieval
---

# QAMPARI Wikipedia 2021 Index

This repository contains the prebuilt Wikipedia 2021 index dataset used in the paper [SPADER: Step-wise Peer Advantage with Diversity-Aware Exploration Rewards for Multi-Answer Question Answering](https://huggingface.co/papers/2606.00593).

- **Repository:** [https://github.com/KhanCold/spader](https://github.com/KhanCold/spader)
- **Paper:** [arXiv:2606.00593](https://arxiv.org/abs/2606.00593)

## Dataset Description

This dataset provides the Wikipedia 2021 index used by SPADER's local HTTP retrieval service to evaluate multi-answer question answering tasks on benchmarks like QAMPARI.

## Dataset Usage

To download and extract the prebuilt Wikipedia index, you can run the following commands:

```bash
mkdir -p data
wget "https://huggingface.co/datasets/KhanCold/QAMPARI_wikipedia_2021/resolve/main/QAMPARI_wikipedia_2021.tar" \
  -O data/QAMPARI_wikipedia_2021.tar
tar -xf data/QAMPARI_wikipedia_2021.tar -C data
```

## Citation

```bibtex
@misc{shi2026spaderstepwisepeeradvantage,
      title={SPADER: Step-wise Peer Advantage with Diversity-Aware Exploration Rewards for Multi-Answer Question Answering}, 
      author={Qiming Shi and Zhaolu Kang and Yunfan Zhou and Di Weng and Yingcai Wu},
      year={2026},
      eprint={2606.00593},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2606.00593}, 
}
```