{"url":"/dataset/kuairec","name":"KuaiRec","full_name":null,"description_markdown":"KuaiRec is a real-world dataset collected from the recommendation logs of the video-sharing mobile app Kuaishou. For now, it is the first dataset that contains a fully observed user-item interaction matrix. For the term “fully observed”, we mean there are almost no missing values in the user-item matrix, i.e., each user has viewed each video and then left feedback.","description_withheld":null,"homepage":"https://chongminggao.github.io/KuaiRec/","introduced_date":"2022-02-22","introduced_date_note":null,"introduced_by":{"paper":"/paper/kuairec-a-fully-observed-dataset-for","title":"KuaiRec: A Fully-observed Dataset and Insights for Evaluating Recommender Systems","first_author":"Chongming Gao","url":null},"license":{"name":"CC BY-SA 4.0","url":"https://github.com/chongminggao/KuaiRec/blob/main/LICENSE"},"modalities":[],"tasks":[{"name":"Recommendation Systems","url":"/task/recommendation-systems","datasets_with_task":"/datasets/task/recommendation-systems"}],"languages":[{"name":"English","url":"/datasets/language/english"}],"variants":["KuaiRec"],"data_loaders":[],"num_papers_in_archive":51,"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."}