Google中专有名词和普通名词的检索效果测试  

Proper Noun and Common Noun Search Results Testing of Google

作　　者：孙清玉[1] 吴东敏[1] 

机构地区：[1]河海大学图书馆

出　　处：《新世纪图书馆》2010年第5期57-58,共2页New Century Library

摘　　要：Google目前被公认为全球最大的搜索引擎,它提供了简单易用的免费服务,用户可以在瞬间得到相关的搜索结果。本测试考察的是Google的检全率和检准率,且测试从两个角度进行:专有名词和普通名词。结果表明,Google的专有名词和普通名词的检索效果并没有明显的差异,同时Google的检准率相对于检全率要高一些。最后,作者对测试结果进行一些分析和思考。Google is currently recognized as the world＇s largest search engine, which provides a simple-to-use free service, and the users can instantly return relevant search results. This test is to examine Google＇s Recall and Precision Ratio, and it is done by two aspects,that is proper nouns and common nouns. The results show that, Google＇s proper nouns and common nouns have no significant difference in effect, while Google＇s Precision Ratio relative to Recall Ratio should be higher. Finally, the author analyses and reflects the results.

关 键 词：GOOGLE搜索引擎 检全率 检准率 网络信息检索 检索性能 

分 类 号：G354.4[文化科学—情报学]