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We overview PDQ 2.0, a platform supporting a number of reasoningenhanced querying tasks. We focus on a major goal of PDQ 2.0: obtaining a more modular and flexible architecture for reasoning-based query optimization.<\/jats:p>","DOI":"10.1145\/3582302.3582308","type":"journal-article","created":{"date-parts":[[2023,1,25]],"date-time":"2023-01-25T17:13:23Z","timestamp":1674666803000},"page":"36-41","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["PDQ 2.0"],"prefix":"10.1145","volume":"51","author":[{"given":"Michael","family":"Benedikt","sequence":"first","affiliation":[{"name":"University of Oxford, United Kingdom"}]},{"given":"Fergus","family":"Cooper","sequence":"additional","affiliation":[{"name":"University of Oxford, United Kingdom"}]},{"given":"Stefano","family":"Germano","sequence":"additional","affiliation":[{"name":"University of Oxford, United Kingdom"}]},{"given":"Gabor","family":"Gyorkei","sequence":"additional","affiliation":[{"name":"Samsung AI, United Kingdom"}]},{"given":"Efthymia","family":"Tsamoura","sequence":"additional","affiliation":[{"name":"Samsung AI, United Kingdom"}]},{"given":"Brandon","family":"Moore","sequence":"additional","affiliation":[{"name":"1X2 Network"}]},{"given":"Camilo","family":"Ortiz","sequence":"additional","affiliation":[{"name":"Google"}]}],"member":"320","published-online":{"date-parts":[[2023,1,25]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"PDQ on GitHub 2021. https: \/\/github.com\/ProofDrivenQuerying\/pdq.  PDQ on GitHub 2021. https: \/\/github.com\/ProofDrivenQuerying\/pdq."},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-01871-8_7"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/3034786.3034796"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.5555\/3171642.3171762"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.14778\/2733004.2733028"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.14778\/2735703.2735708"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-031-01856-5"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tcs.2006.11.008"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/1121995.1122010"},{"issue":"1","key":"e_1_2_1_10_1","first-page":"89","volume":"336","author":"Fagin R.","year":"2005","unstructured":"R. Fagin , P. Kolaitis , R. Miller , and L. Popa . Data Exchange: Semantics and Query Answering. TCS , 336 ( 1 ): 89 -- 124 , 2005 . R. Fagin, P. Kolaitis, R. Miller, and L. Popa. Data Exchange: Semantics and Query Answering. TCS, 336(1):89--124, 2005.","journal-title":"Data Exchange: Semantics and Query Answering. TCS"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/304182.304210"},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/2588555.2593683"},{"key":"e_1_2_1_13_1","volume-title":"Design and Query Compilation. Morgan Claypool","author":"Toman D.","year":"2011","unstructured":"D. Toman and G. Weddell . Fund . of Phys . Design and Query Compilation. Morgan Claypool , 2011 . D. Toman and G. Weddell. Fund. of Phys. Design and Query Compilation. Morgan Claypool, 2011."}],"container-title":["ACM SIGMOD Record"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3582302.3582308","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3582302.3582308","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T17:51:32Z","timestamp":1750182692000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3582302.3582308"}},"subtitle":["Flexible Infrastructure for Integrating Reasoning and Query Planning"],"short-title":[],"issued":{"date-parts":[[2023,1,9]]},"references-count":13,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2023,1,9]]}},"alternative-id":["10.1145\/3582302.3582308"],"URL":"https:\/\/doi.org\/10.1145\/3582302.3582308","relation":{},"ISSN":["0163-5808"],"issn-type":[{"type":"print","value":"0163-5808"}],"subject":[],"published":{"date-parts":[[2023,1,9]]},"assertion":[{"value":"2023-01-25","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}