Multiple Articles Summarization by Deleting Overlapped and Verbose Parts
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概要
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In this paper, we attempt to summarize multiple Japanese articles into one document. Our summarization method deletes verbose parts and overlapped parts in the input texts. We defined an introduction part to detect overlapped part, and if nouns and verbs in an introduction part were included in some other article, then the introduction part is considered to be an overlapped part. This paper focuses on the following five points to sum up: guess sentences, noun modifiers, expressions using parenthesis, detailed expressions of address and the introduction part. We have implemented a prototype system of summarization and experimented on the system using 27 groups of articles. As a result of the experiments 82.1% compression ratio on the average was achieved. In addition, we evaluated this method using 6 groups of articles by obtaining information by means of questionnaires to 11 examinees. The result of evaluation showed us that the summarizations were almost always natural and deleted parts were also appropriate.
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