Contextual information provides an important basis for identifying and understanding users' information needs. Our previous work in traditional information retrieval systems ...
With the rapid development of web service technology in these years, traditional standards have been matured during the process of service registry and discovery. However, it is di...
Query recommendation has been recognized as an important mean to help users search and also improve the usability of search engines. Existing approaches mainly focus on helping us...
Accurate topical classification of user queries allows for increased effectiveness and efficiency in general-purpose web search systems. Such classification becomes critical if th...
Steven M. Beitzel, Eric C. Jensen, Ophir Frieder, ...
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...