{"url":"/dataset/oxford105k","name":"Oxford105k","full_name":null,"description_markdown":"**Oxford105k** is the combination of the Oxford5k dataset and 99782 negative images crawled from Flickr using 145 most popular tags. This dataset is used to evaluate search performance for object retrieval (reported as mAP) on a large scale.\r\n\r\nSource: [Multiple Measurements and Joint Dimensionality Reduction for Large Scale Image Search with Short Vectors Extended Version](https://arxiv.org/abs/1504.03285)","description_withheld":null,"homepage":"https://www.robots.ox.ac.uk/~vgg/data/oxbuildings/","introduced_date":"2007-01-01","introduced_date_note":null,"introduced_by":{"paper":null,"title":"Object retrieval with large vocabularies and fast spatial matching","first_author":null,"url":"https://doi.org/10.1109/CVPR.2007.383172"},"license":{"name":"Custom","url":"https://www.flickr.com/help/terms"},"modalities":[{"name":"Images","url":"/datasets/modality/images"}],"tasks":[{"name":"Image Retrieval","url":"/task/image-retrieval","datasets_with_task":"/datasets/task/image-retrieval"},{"name":"Dimensionality Reduction","url":"/task/dimensionality-reduction","datasets_with_task":"/datasets/task/dimensionality-reduction"},{"name":"Instance Search","url":"/task/instance-search","datasets_with_task":"/datasets/task/instance-search"}],"languages":[],"variants":["Oxford105k"],"data_loaders":[],"num_papers_in_archive":44,"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."}