Acquiring Lexical Knowledge from Query Logs for Query Expansion in Patent Searching

In the patent domain significant efforts are invested to assist researchers in formulating better queries, preferably via automated query expansion. Currently, automatic query expansion in patent search is mostly limited to computing co-occurring ...

In an attempt to improve retrieval systems for the patent domain, significant efforts are invested to assist researchers in formulating better queries, preferably via automated query generation. Current work on query generation in patent retrieval is ...

In this paper we study the impact of query term expansion QTE using synonyms on patent document retrieval. We use an automatically generated lexical database from USPTO query logs, called PatNet, which provides synonyms and equivalents for a query term. ...