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从１９９６年起开始出现网上中文检索工具，短短的一年多时间里就出现了１０几家面向整个网上中文信息的中文检索工具。本文选择了北极星、网易、常青藤、搜狐、中经网信息导航、网现引擎６个网上中文检索工具，对它们的检索性能和效果进行了比较研究，并对网上中文检索工具今后的发展提出了几点建议。
Since 1996, online Chinese search tools have appeared. In just over a year, more than 10 Chinese search tools for the entire online Chinese language have appeared. This paper chooses 6 online Chinese search tools such as Polaris, Netease, Ivy League, Sohu, Zhongjing Information Navigation and Net Engines, and compares their retrieval performance and effectiveness, and proposes the future development of Chinese online search tools A few suggestions.