CQADupStack is a benchmark for community question answering (cQA) built from Stack Exchange data. It was introduced by Hoogeveen, Verspoor, and Baldwin at ADCS 2015 to support research on duplicate questions: finding earlier posts that match or subsume a newly asked question, so users can reuse existing answers instead of opening redundant threads.
The full CQADupStack release aggregates… See the full description on the dataset page: https://huggingface.co/datasets/orgrctera/beir_cqadupstack_programmers.