摘要
通过评价实验,从百度瞬时风向标选择实验检索课题集合,从索引数据库性能、检索功能、检索效果、结果显示及用户负担五个方面,采用平均站点索引量、前X命中记录查准率等测评方法,对五大中文综合搜索引擎百度、爱问、搜狗、搜搜和中搜进行评价研究,其中对定量指标进行了重点试验和分析。总结分析了五大中文搜索引擎各自的优势、特色和不足。最后总结出搜索引擎的改进方向和用户选择搜索引擎与实施检索的策略。
Based on evaluation experiment, this article selected the task sets from baidu wind vane. The experiment took average site indexing, the "first X precision" that was brought forward by H. Vernon Leighton and Jaideep Srivastava, measured the performance of five most famous Chinese search engines (baidu, iask, sogou, soso and zhongsou) from aspects of index database, retrieval functions, retrieval effects, results display and user efforts, in which the quantitative index was significantly analyzed. At last the author summarized what the search enegines should improve and the strategy for user choose search engines and implement retrieval.
出处
《情报科学》
CSSCI
北大核心
2008年第10期1540-1542,1557,共4页
Information Science
关键词
中文搜索引擎
性能测评
评价实验
查全率
查准率
chinese search engine
erformance measuring
valuation experiment
recall
precision