Titlebook: Web-Age Information Management; 16th International C Xin Luna Dong,Xiaohui Yu,Yizhou Sun Conference proceedings 2015 Springer International

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A Question Answering System Built on Domain Knowledge Baseur framework to a Chinese interactive QA system development, and used a health-related knowledge base as domain scenario. It shows promising results in parsing complex questions and holding long history dialog.

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Novel Word Features for Keyword Extractionowledge base, which would be extracted to derive the novel word features. The newly introduced word features that reflect the document’s background knowledge offer valuable indications on individual words’ importance in the input document and serve as nice complements to the traditional word feature

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Ingredient

Improving the Effectiveness of Keyword Search in Databases Using Query Logsuery logs to help rank the .s generated during the first stage. Given the frequent patterns, we show how to compute the maximal score of a . using a dynamic programming algorithm. We prove that the problem of finding the maximal score is NP-hard. User studies on a real dataset validate the effective

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