{"url":"/dataset/20-mad","name":"20-MAD","full_name":"20-MAD: Mozilla Apache Dataset","description_markdown":"20-MAD, a dataset linking the commit and issue data of Mozilla and Apache projects. It includes over 20 years of information about 765 projects, 3.4M commits, 2.3M issues, and 17.3M issue comments, and its compressed size is over 6 GB. The data contains all the typical information about source code commits (e.g., lines added and removed, message and commit time) and issues (status, severity, votes, and summary). The issue comments have been pre-processed for natural language processing and sentiment analysis. This includes emoticons and valence and arousal scores.","description_withheld":null,"homepage":"https://osf.io/kvxr4/","introduced_date":"2020-03-31","introduced_date_note":null,"introduced_by":{"paper":null,"title":"20-MAD -- 20 Years of Issues and Commits of Mozilla and Apache Development","first_author":null,"url":null},"license":null,"modalities":[],"tasks":[],"languages":[],"variants":["20-MAD"],"data_loaders":[],"num_papers_in_archive":5,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}