Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/68470
Title: Method for using dual indices to support query expansion, relevance/non-relevance models, blind/relevance feedback and an intelligent search interface
Authors: Luk, RWP 
Issue Date: 8-Jul-2014
Source: US Patent 8,775,410 B2. Washington, DC: US Patent and Trademark Office, 2014. How to cite?
Abstract: A method for using dual indices to support query expansion, relevance/non-relevance models, blind/relevance feedback and an intelligent search interface, the method comprising: accessing an inverted index to obtain an initial retrieval of results in response to a query, and to generate a rank list of the results, the results referring to information units (IUs) where the query occurs; and determining a number of "N" IUs in the results that are assumed to be relevant by accessing a forward index; wherein the forward index and inverted index have pointers to locations in the IUs where terms of the query occur, and the forward index retrieves a term frequency vector of the IU or a set of contexts of the IU.
URI: http://hdl.handle.net/10397/68470
Rights: Assignee: The Hong Kong Polytechnic Univeristy.
Appears in Collections:Patent

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