| 摘要 |
Described is a next search keyword presentation apparatus, method and program for the presentation of the next recommended search keyword for use in conjunction with the search results. There is provided an apparatus of presenting relevant next search keywords, including an input unit for inputting a search keyword. A search control unit sends search keywords to a search system and receives search results which are displayed as documents on a display unit. A text body extraction unit extracts the text body and an analysis unit carries out a semantic attribute analysis of words contained within the text body. The search keywords are stored as user history data which is used with semantic attributes of each word to create document representative information. A cluster representative keyword extraction unit clusters document characteristic information and extracts cluster representative keywords which are displayed as search keyword candidates, providing recommended keywords based on browsing history.
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