中文摘要：

随着移动互联网的迅速发展,移动搜索用户大规模增加,移动搜索引擎用户行为分析对改进搜索引擎性能,提高用户体验具有重要意义.该文选取某移动搜索引擎2011年6月第一周的日志,对移动互联网用户搜索行为进行分析和研究.我们从查询词分析、会话分析以及用户点击分析3个角度出发,对查询词长度和额度、问题式查询和网址查询比例、会话内查询个数、查询词修改方式以及用户点击位置进行研究,并与互联网搜索引擎相应指标进行对比.相关分析结论对于移动搜索引擎算法改进与系统优化具有一定参考意义.

英文摘要：

With the rapid development of mobile web, the mobile search engine users has been growing sharply. It＇ s of great significance to analysis users＇ behavior toimprovethe mobile search engine and users＇satisfaction. This pa- per selects the log of a mobile search engine in the first week of June 2011, and analyzes the mobile search engine us- er behavior. From perspectives of query word,session and clicks, we examinelength and frequency of query words, ratio of question query and URL query, number of queries in a session, modification of query words and click distri- bution. Furthermore, we compareresults of mobile search engine with internet search engine. These findingsare of substantial significance for the improvement and optimization of the mobile search engine.