Query expansion in information retrieval systems

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United States of America Patent

PATENT NO 11874863
APP PUB NO 20210286831A1
SERIAL NO

16839131

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Abstract

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The present disclosure relates to a method for query expansion. The method comprises: a) receiving a current query having at least one search term; b) inputting the at least one search term of the current query to a set of one or more query expansion modules, wherein the query expansion modules are configured to predict expansion terms of input terms; c) receiving from the set of expansion modules candidate expansion terms of the search term; d) modifying the current query using at least part of the candidate expansion terms, resulting in a modified query having at least one modified search term, The method further comprises repeating steps b) to d) using the modified query as the current query, the repeating being performed until a predefined stopping criterion is fulfilled.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dykeman, Harold Douglas Richterswil, CH 6 19
Giovannini, Andrea Zurich, CH 44 203
Girardi, Ivan Birmensdorf, CH 2 1
Ivankay, Adam Zürich, CH 4 1
Marchiori, Chiara Birmensdorf, CH 10 48
Thandiackal, Kevin Gattikon, CH 3 1
Zusag, Mario Vienna, AT 2 1

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