{"url":"/dataset/merrec","name":"MerRec","full_name":"MerRec Recommendation Dataset","description_markdown":"A large scale, C2C marketplace e-commerce dataset.","description_withheld":null,"homepage":"https://arxiv.org/abs/2402.14230","introduced_date":"2024-02-22","introduced_date_note":null,"introduced_by":{"paper":"/paper/merrec-a-large-scale-multipurpose-mercari","title":"MerRec: A Large-scale Multipurpose Mercari Dataset for Consumer-to-Consumer Recommendation Systems","first_author":"Lichi Li","url":null},"license":{"name":"CC BY-NC 4.0 International","url":"https://creativecommons.org/licenses/by-nc/4.0/legalcode.en"},"modalities":[{"name":"Texts","url":"/datasets/modality/texts"}],"tasks":[{"name":"Recommendation Systems","url":"/task/recommendation-systems","datasets_with_task":"/datasets/task/recommendation-systems"},{"name":"Click-Through Rate Prediction","url":"/task/click-through-rate-prediction","datasets_with_task":"/datasets/task/click-through-rate-prediction"},{"name":"Multi-Task Learning","url":"/task/multi-task-learning","datasets_with_task":"/datasets/task/multi-task-learning"}],"languages":[{"name":"English","url":"/datasets/language/english"}],"variants":["MerRec"],"data_loaders":[],"num_papers_in_archive":1,"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."}