{"url":"/dataset/oxford-ontology-library","name":"Oxford Ontology Library","full_name":null,"description_markdown":"The ontology files, readme and statistical information can be found and browsed in the [ontology library](http://krr-nas.cs.ox.ac.uk/ontologies/lib). Because many of the ontologies make use of imports, we have \"localised\" ontologies by parsing them, resolving and parsing all imports, merging the main and imported ontologies together, and re-serialising the ontology, all using the OWL API. The original main ontology and the imported ontologies are saved in the \"sources/\".\r\n\r\nEach localised ontology is assigned a unique ID and is companied with a hard link. All the hard links are stored [here](http://krr-nas.cs.ox.ac.uk/ontologies/UID). In the [readme](http://krr-nas.cs.ox.ac.uk/ontologies/readme.htm), there is some information on all the localised ontologies--their IDs, ontology file directories, and statistics.","description_withheld":null,"homepage":"https://www.cs.ox.ac.uk/isg/ontologies","introduced_date":null,"introduced_date_note":null,"introduced_by":null,"license":null,"modalities":[],"tasks":[{"name":"Logical Reasoning","url":"/task/logical-reasoning","datasets_with_task":"/datasets/task/logical-reasoning"}],"languages":[],"variants":["Oxford Ontology Library"],"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."}