关键词: 自动文摘, 搜索引擎, 汉宁窗

Abstract: Query-focused summarization laid emphasis on user’s concern in the document.An approach to query-focused automatic summarization is presented.It utilizes search engine as tool for seeking answer.The importance of each sentence is computed by the Hanning window to take the density of words contained in the question and prospective answering account.Summarize a document　by selecting the sentences with high weights as computed by moving a window from the beginning to the end of the document.Experimental results show that the summarization is better than Google’s.

Key words: automatic summarization, search engine, Hanning window