Source: http://www.google.ca/patents/US7567959
Timestamp: 2013-12-05 14:54:17
Document Index: 627544591

Matched Legal Cases: ['Application No. 200510085373', 'Application No. 200510085370', 'Application No. 200510085371', 'Application No. 200510085372', 'Application No. 2005203237', 'Application No. 2005203238', 'Application No. 2005203239', 'Application No. 2005203240']

Patent US7567959 - Multiple index based information retrieval system - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Advanced Patent Search | Sign inAdvanced Patent SearchPatentsAn information retrieval system uses phrases to index, retrieve, organize and describe documents. Phrases are identified that predict the presence of other phrases in documents. Documents are the indexed according to their included phrases. The document index is partitioned into multiple indexes, including...http://www.google.ca/patents/US7567959?utm_source=gb-gplus-sharePatent US7567959 - Multiple index based information retrieval systemPublication numberUS7567959 B2Publication typeGrantApplication numberUS 11/043,695Publication date28 Jul 2009Filing date25 Jan 2005Priority date26 Jul 2004Fee statusPaidAlso published asCA2595674A1, CA2595674C, CN101133388A, CN101133388B, EP1844391A2, EP1844391A4, EP1844391B1, US20060106792, US20100030773, WO2006081325A2, WO2006081325A3Publication number043695, 11043695, US 7567959 B2, US 7567959B2, US-B2-7567959, US7567959 B2, US7567959B2InventorsAnna L. PattersonOriginal AssigneeGoogle Inc.Patent Citations (122), Non-Patent Citations (47), Referenced by (36), Classifications (12), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetMultiple index based information retrieval systemUS 7567959 B2Abstract An information retrieval system uses phrases to index, retrieve, organize and describe documents. Phrases are identified that predict the presence of other phrases in documents. Documents are the indexed according to their included phrases. The document index is partitioned into multiple indexes, including a primary index and a secondary index. The primary index stores phrase posting lists with relevance rank ordered documents. The secondary index stores excess documents from the posting lists in document order.
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