Media type: E-Book; Conference Proceedings Title: The thirtieth Text REtrieval Conference (TREC 2021) proceedings Contributor: Text REtrieval Conference 30. 2021 Gaithersburg, Md imprint: [Gaithersburg, MD]: NIST, March 22, 2022 Published in: NIST special publication ; 500-335 Extent: 1 Online-Ressource Language: English Keywords: Konferenzschrift Origination: Footnote: Access State: Open Access