Invention Grant
US08892574B2 Search apparatus, search method, and non-transitory computer readable medium storing program that input a query representing a subset of a document set stored to a document database and output a keyword that often appears in the subset
有权
搜索装置，搜索方法和非暂时性计算机可读介质存储程序，其输入表示存储到文档数据库的文档集的子集的查询，并输出经常出现在该子集中的关键字
- Patent Title: Search apparatus, search method, and non-transitory computer readable medium storing program that input a query representing a subset of a document set stored to a document database and output a keyword that often appears in the subset
- Patent Title (中): 搜索装置，搜索方法和非暂时性计算机可读介质存储程序，其输入表示存储到文档数据库的文档集的子集的查询，并输出经常出现在该子集中的关键字
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Application No.: US13129342Application Date: 2009-11-06
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Publication No.: US08892574B2Publication Date: 2014-11-18
- Inventor: Yukitaka Kusumura
- Applicant: Yukitaka Kusumura
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2008-300793 20081126
- International Application: PCT/JP2009/005907 WO 20091106
- International Announcement: WO2010/061537 WO 20100603
- Main IPC: G06F17/30
- IPC: G06F17/30
Abstract:
Provided is a search apparatus, a search method, and a program that can improve search speed for a document set even when an object to be searched is a large-scale document set. A search apparatus, in an embodiment, includes an abstract matrix storage unit, a word frequency calculation unit, and a document frequency reference unit.
Public/Granted literature
- US20110219000A1 SEARCH APPARATUS, SEARCH METHOD, AND RECORDING MEDIUM STORING PROGRAM Public/Granted day:2011-09-08
Information query
