{"url":"/sota/blocking-on-wdc-block-large","task":{"name":"Blocking","url":"/task/blocking","note":null},"dataset":{"name":"WDC Block - large","url":"/dataset/wdc-block"},"category":"Natural Language Processing","categories":["Natural Language Processing"],"category_note":null,"description":"Entity resolution (also known as entity matching, record linkage, or duplicate detection) is the task of finding records that refer to the same real-world entity across different data sources (e.g., data files, books, websites, and databases). (Source: Wikipedia)\r\n\r\n**Blocking** is a crucial step in any entity resolution pipeline because a pair-wise comparison of all records across two data sources is infeasible. \r\nBlocking applies a computationally cheap method to generate a smaller set of candidate record pairs reducing the workload of the matcher.\r\nDuring matching a more expensive pair-wise matcher generates a final set of matching record pairs.\r\n\r\n\r\nSurvey on blocking:\r\n\r\n- [Papadakis et al.: Blocking and Filtering Techniques for Entity Resolution: A Survey](https://dl.acm.org/doi/pdf/10.1145/3377455), 2020.","description_from":"task","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","rank":"the archive's row order at snapshot; not re-ranked","rows_end_at":"2025-07-28","rows_withheld_as_spam":0,"metric_values":"the archive's strings, untouched"},"metrics":["Candidate Set Size","Recall"],"metric_direction":{"note":"inferred from the metric name only (the archive records no direction); null = not inferred, chart draws points only","by_metric":{"Candidate Set Size":null,"Recall":"higher"}},"counts":{"rows":2,"rows_with_code":2,"rows_with_paper_page":2,"rows_dated":2,"rows_using_additional_data":0},"rows":[{"rank_in_archive_order":1,"model":"SC-Block","metrics":{"Candidate Set Size":"5000000","Recall":"89.5"},"uses_additional_data":false,"paper_date":"2023-03-06","paper":"/paper/sc-block-supervised-contrastive-blocking","paper_url":"https://arxiv.org/abs/2303.03132v2","paper_title":"SC-Block: Supervised Contrastive Blocking within Entity Resolution Pipelines","code":"https://github.com/wbsg-uni-mannheim/sc-block","n_code_links":1,"syntology":null},{"rank_in_archive_order":2,"model":"BM25","metrics":{"Candidate Set Size":"20000000","Recall":"95.5"},"uses_additional_data":false,"paper_date":"2023-03-06","paper":"/paper/sc-block-supervised-contrastive-blocking","paper_url":"https://arxiv.org/abs/2303.03132v2","paper_title":"SC-Block: Supervised Contrastive Blocking within Entity Resolution Pipelines","code":"https://github.com/wbsg-uni-mannheim/sc-block","n_code_links":1,"syntology":null}],"since_archive":{"present":false,"note":"No Syntology-extracted rows are published in this build."},"syntology":{"read_at":"2026-09-24T18:15:14+00:00","claim":"Per row: N of M harvested code samples from that row's paper executed on a synthesized fixture; the other M-N are unverified. Not a reproduction of the row's number; not a correctness claim. n_pointer_only_licence counts samples the site points at rather than redistributes (a licence axis, independent of ran/unverified).","rows_with_graph_line":0,"rows_with_any_sample_ran":0,"distinct_papers_with_graph_line":0,"distinct_papers_with_any_sample_ran":0,"samples_over_distinct_papers":{"n_ran":0,"n_unverified":0,"n_samples":0,"n_pointer_only_licence":0,"note":"each paper (arXiv id) counted once, however many rows it is behind; this is the page-level figure"},"samples_row_weighted":{"n_ran":0,"n_unverified":0,"n_samples":0,"n_pointer_only_licence":0,"note":"row-weighted: a paper behind several rows is counted once per row; inflated relative to samples_over_distinct_papers by design, kept for readers summing the per-row syntology blocks"}}}