{"url":"/dataset/tldr9","name":"TLDR9+","full_name":null,"description_markdown":"TLDR9+ is a large-scale summarization dataset containing over 9 million training instances extracted from Reddit discussion forum. This dataset is specifically gathered to perform extreme summarization (i.e., generating one-sentence summary in high compression and abstraction) and is more than twice larger than the previously proposed dataset. With the help of human annotations, a more fine-grained dataset is distilled by sampling High-Quality instances from TLDR9+ and call it TLDRHQ. dataset.\r\n\r\nImage source: [https://arxiv.org/pdf/2110.01159v1.pdf](https://arxiv.org/pdf/2110.01159v1.pdf)","description_withheld":null,"homepage":"https://github.com/sajastu/reddit_collector","introduced_date":"2021-10-04","introduced_date_note":null,"introduced_by":{"paper":"/paper/tldr9-a-large-scale-resource-for-extreme","title":"TLDR9+: A Large Scale Resource for Extreme Summarization of Social Media Posts","first_author":"Sajad Sotudeh","url":null},"license":{"name":"Unknown","url":null},"modalities":[{"name":"Texts","url":"/datasets/modality/texts"}],"tasks":[{"name":"Extreme Summarization","url":"/task/extreme-summarization","datasets_with_task":"/datasets/task/extreme-summarization"}],"languages":[{"name":"English","url":"/datasets/language/english"}],"variants":["TLDR9+"],"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/extreme-summarization-on-tldr9","task":"Extreme Summarization","dataset_variant":"TLDR9+","rows":4,"metrics":["RG-1(%)","RG-2(%)","RG-L(%)"],"first_row_in_archive_order":{"model":"ORACLE-EXT","paper":"/paper/tldr9-a-large-scale-resource-for-extreme","metrics":{"RG-1(%)":"30.26","RG-2(%)":"9.74","RG-L(%)":"20.60"},"code_links":[{"title":"sajastu/reddit_collector","url":"https://github.com/sajastu/reddit_collector"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/tldr9-a-large-scale-resource-for-extreme","title":"TLDR9+: A Large Scale Resource for Extreme Summarization of Social Media Posts","date":"2021-10-04","rows_on_this_dataset":4,"code_links":1,"syntology":null}],"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."}