【摘要】 目前的过滤系统大都是基于关键词的 ,这类系统适用于主题性过滤 ,而对倾向性过滤效果不好。本文提出一种适用于倾向性文档过滤的系统 ,通过语义分析 ,有效地识别和过滤倾向性文本信息。更多还原

【Abstract】 Most of existing filtering systems are based on statistics.This kind of system is applicable to thematic filtering but is ineffective when it deals with tendentious text.The paper describes a text filtering system based on semantic analysis.By taking into account semantic relations in text,it can efficiently recognizes and heads off the tendentious information.更多还原