{"url":"/dataset/mecd","name":"MECD","full_name":"Multi-Event Causal Discovery","description_markdown":"Provide:\r\n\r\n* 1,105 lifestyle videos that span diverse scenarios.\r\n* Each video in the MECD dataset contains 4 to 11 events, with a minimum of 2 premise events exhibiting causal relations with the last one.\r\n* The “duration”, “sentence”, and “timestamps” attributes of each video.\r\n* A new attribute “relation” to evaluate the video causal discovery ability of the model, and support the supervised training.","description_withheld":null,"homepage":"https://github.com/tychen-SJTU/MECD-Benchmark","introduced_date":"2024-09-26","introduced_date_note":null,"introduced_by":{"paper":"/paper/mecd-unlocking-multi-event-causal-discovery","title":"MECD: Unlocking Multi-Event Causal Discovery in Video Reasoning","first_author":"Tieyuan Chen","url":null},"license":null,"modalities":[{"name":"Videos","url":"/datasets/modality/videos"},{"name":"Texts","url":"/datasets/modality/texts"}],"tasks":[{"name":"Causal Discovery in Video Reasoning","url":"/task/causal-discovery-in-video-reasoning","datasets_with_task":"/datasets/task/causal-discovery-in-video-reasoning"}],"languages":[{"name":"English","url":"/datasets/language/english"}],"variants":["MECD"],"data_loaders":[],"num_papers_in_archive":2,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/causal-discovery-in-video-reasoning-on-mecd","task":"Causal Discovery in Video Reasoning","dataset_variant":"MECD","rows":1,"metrics":["Accuracy","Ave SHD"],"first_row_in_archive_order":{"model":"VGCM","paper":"/paper/mecd-unlocking-multi-event-causal-discovery","metrics":{"Accuracy":"71.20","Ave SHD":"4.19"},"code_links":[{"title":"tychen-SJTU/MECD-Benchmark","url":"https://github.com/tychen-SJTU/MECD-Benchmark"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/mecd-unlocking-multi-event-causal-discovery","title":"MECD: Unlocking Multi-Event Causal Discovery in Video Reasoning","date":"2024-09-26","rows_on_this_dataset":1,"code_links":1,"syntology":{"read_at":"2026-09-24T18:15:14+00:00","samples_harvested":8,"samples_ran":8,"samples_unverified":0,"pointer_only_for_licence":2,"claim":"Per-sample execution on synthesized fixtures; not a correctness claim."}}],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":1,"samples_harvested":8,"samples_ran":8,"samples_unverified":0,"pointer_only_for_licence":2,"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."}