HisRag dataset and artifacts

HisRag: History-Retrieval Augmented Generation for Commit Message HisRag.zip This is a sampled dataset for HisRag. The dataset is resplitted by timeline and is a subset of CommitChronicle. CommitChronicle is available on Zenodo. artifacts.zip This file contains the generated outputs of CMG methods enhanced by HisRag and the human evaluation results.