关键词: 陈述句, 正误, 验证, Web页面, 可信度

Abstract: The Web contains a significant amount of untruthful information. This paper proposes a two-step method that aims to determine whether a given Chinese fact statement is truthful. In the first step it classifies the given statement and extends to alternative statement which has the same topic with the given statement based on doubt unit. In the second step, it sends every alternative statement including the given statement as a query to a search engine and analyzes various features extracted from the search results returned from the search engine. The experimental results show this method can achieve a precision of about 85%. After improvement, the technique can be used to evaluate the reliability of webpage.

Key words: fact statement, truthfulness, verifying, Web page, reliability