Hybrid-distribution model for search engine indexes

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United States of America Patent

PATENT NO 9424351
APP PUB NO 20120130997A1
SERIAL NO

12951815

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Abstract

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Methods and systems are provided for using a hybrid-distribution system to identify relevant documents based on a search query. A group of documents is assigned to a particular segment. The group of documents is indexed both by atom and by document to form a reverse index and a forward index. Both indexes are divided amongst each node in that segment so that each node is responsible for storing and accessing a different portion of both the reverse and forward indexes. The reverse index portion is accessed on each of a first set of nodes to identify a first set of documents that is relevant to a particular search query. Document identifications associated with the first set of documents are used to identify a second set of nodes that access their forward index portions to limit the number of relevant documents to a second set of documents.

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Patent Owner(s)

  • MICROSOFT TECHNOLOGY LICENSING, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bennett, John Bellevue, US 60 802
Chilimbi, Trishul Seattle, US 27 676
Hopcroft, Michael Kirkland, US 12 306
Kalyanaraman, Karthik Bellevue, US 18 511
Parikh, Vishesh Redmond, US 11 437
Pedersen, Jan Otto Los Altos, US 6 281
Risvik, Knut Magne Mo I Rana, NO 19 999
Walters, Chad P Bellevue, US 9 655

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