图 书 馆
理解时态查询动态Understanding Temporal Query Dynamics |
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| 课程网址: | http://videolectures.net/wsdm2011_svore_utq/ |
| 主讲教师: | Krysta M. Svore |
| 开课单位: | 微软公司 |
| 开课时间: | 2011-08-09 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | Web search is strongly influenced by time. The queries people issue change over time, with some queries occasionally spiking in popularity (e.g., earthquake) and others remaining relatively constant (e.g., youtube). The documents indexed by the search engine also change, with some documents always being about a particular query (e.g., the Wikipedia page on earthquakes is about the query earthquake) and others being about the query only at a particular point in time (e.g., the New York Times is only about earthquakes following a major seismic activity). The relationship between documents and queries can also change as people's intent changes (e.g., people sought different content for the query earthquake before the Haitian earthquake than they did after). In this paper, we explore how queries, their associated documents, and the query intent change over the course of 10 weeks by analyzing query log data, a daily Web crawl, and periodic human relevance judgments. We identify several interesting features by which changes to query popularity can be classified, and show that presence of these features, when accompanied by changes in result content, can be a good indicator of change in query intent. |
| 关 键 词: | 计算机科学; Web挖掘; 查询意图 |
| 课程来源: | 视频讲座网 |
| 最后编审: | 2020-06-23：liqy |
| 阅读次数: | 35 |