metadata
license: mit
task_categories:
- question-answering
CorVer-infini-gram-index
This repository contains the prebuilt Wikipedia infini-gram index (tokenized with Llama-2) used for CorVer (Corpus Verify), a lightweight process reward for reinforcement learning fine-tuning on factual question answering.
The dataset was introduced in the paper Verifiable Rewards Beyond Math and Code: Lightweight Corpus-Grounded Process Supervision for Factual Question Answering.
- GitHub Repository: https://github.com/shichengf/CorVer
- Paper: https://huggingface.co/papers/2605.29648
Sample Usage
You can download the index using the huggingface-cli:
huggingface-cli download Shichengf/CorVer-infini-gram-index \
--repo-type dataset --local-dir ./infigram_index
export INFIGRAM_LOCAL_INDEX_DIR=./infigram_index
Citation
@misc{fan2026corver,
title = {Verifiable Rewards Beyond Math and Code: Lightweight Corpus-Grounded Process Supervision for Factual Question Answering},
author = {Shicheng Fan and Haochang Hao and Dehai Min and Weihao Liu and Philip S. Yu and Lu Cheng},
year = {2026},
eprint = {2605.29648},
archivePrefix = {arXiv},
primaryClass = {cs.CL},
url = {https://arxiv.org/abs/2605.29648},
}