International Business Machines Corporation

Ivan Girardi

Andrea Giovannini

Harold D Dykeman

Chiara Marchiori

Adam Ivankay

Kevin Thandiackal

Mario Zusag

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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Birmensdorf, Switzerland

Ivan Girardi