Prior art search using international patent classification codes and all-claims-queries
CLEF'09 Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
Prior art retrieval using the claims section as a bag of words
CLEF'09 Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
LogCLEF 2009: the CLEF 2009 multilingual logfile analysis track overview
CLEF'09 Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
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The CLEF-IP track was launched in 2009 to investigate IR techniques for patent retrieval, as part of the CLEF 2009 evaluation campaign. We built a system in order to participate in the CLEF-IP track. Our system has three main components: a filtering module, an indexing module, and a search module. Because the process of indexing all of the 75 GB of input patent documents took almost one day, we decided to work in a peer-to-peer environment with four computers. The problems encountered were related to the identification of relevant fields to be used for indexing and in the search processes.