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Distinguo
Distinguo is a proprietary software application for Semantic search based on description logic that enables users to search for meaning instead of just keywords.〔(Jena: B. McBride, Hewlett Packard Laboratories Bristol, UK ) Retrieved 15 September 2010〕 This API permits developers to integrate into their applications a tool to parse natural language (generating an XML summary), and then measure the semantic "distance" between a query and a target text. ''Guha et al.''〔(Guha, R. , McCool, Rob., Miller, Eric (2003) Semantic Search International World Wide Web Conference archive, Proceedings of the 12th international conference on World Wide Web table of contents, Budapest, Hungary )''Accessed 14 September 2010''〕 distinguish two major forms of search: Navigational and Research. In navigational search, the user is using the search engine as a navigation tool to navigate to a particular intended document. Semantic Search is not directly applicable to navigational searches. In Research Search, the user enters a phrase which is intended to denote the object of the research. The user will not know in advance which particular documents will contain the information; the task is to locate any number of documents which together will produce the sought information.
==Features==
The program is not available as a stand-alone or consumer application; it is a powerful software component for inclusion in other text analysis solutions such as any project requiring the comparison of meanings or the measurement of the difference between words and longer texts. Users can compare a simple query to a large database of texts, locating texts containing similar meanings and ranking them according to their similarity.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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