Paper: The Impact of Spelling Errors on Patent Search

ACL ID E12-1058
Title The Impact of Spelling Errors on Patent Search
Venue Annual Meeting of The European Chapter of The Association of Computational Linguistics
Session Main Conference
Year 2012

The search in patent databases is a risky business compared to the search in other domains. A single document that is relevant but overlooked during a patent search can turn into an expensive proposition. While recent research engages in specialized mod- els and algorithms to improve the effective- ness of patent retrieval, we bring another aspect into focus: the detection and ex- ploitation of patent inconsistencies. In par- ticular, we analyze spelling errors in the as- signee field of patents granted by the United States Patent & Trademark Office. We in- troduce technology in order to improve re- trieval effectiveness despite the presence of typographical ambiguities. In this regard, we (1) quantify spelling errors in terms of edit distance and phonological dissimilarity and (2) render ...