{"url":"/dataset/m2conceptbase","name":"M²ConceptBase","full_name":null,"description_markdown":"M²ConceptBase is a concept-centric multimodal knowledge base designed to bridge the gap between visual and linguistic semantics. It features 951K images and 152K concepts, with each concept linked to an average of 6.27 images and a detailed textual description.","description_withheld":null,"homepage":"","introduced_date":"2023-12-16","introduced_date_note":null,"introduced_by":{"paper":"/paper/m2conceptbase-a-fine-grained-aligned-multi","title":"M^2ConceptBase: A Fine-Grained Aligned Concept-Centric Multimodal Knowledge Base","first_author":"Zhiwei Zha","url":null},"license":null,"modalities":[{"name":"Images","url":"/datasets/modality/images"},{"name":"Texts","url":"/datasets/modality/texts"}],"tasks":[],"languages":[{"name":"Chinese","url":"/datasets/language/chinese"}],"variants":["M²ConceptBase"],"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":"2026-09-25T09:33:49+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."}