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Query expansion is a crucial step in recall-oriented domains such as Patent Searching. Currently, automatic query expansion in patent search is mostly based on statistical measures. Additional query terms are extracted from the query documents based on entropy measures. To automate query expansion in patent searching, we acquire lexical knowledge from Query Logs of USPTO Patent Examiners. Results...
We present a design for the wiki-based classification of concepts within scientific and technical disclosures. Each classification code is a graphic representation of an individual entity together with related entities: the degree of similarity being apparent from what is effectively a one-dimensional ontology. A library of hyper linked graphic representations facilitates the navigation to the correct...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.