368 search results - page 13 / 74 » Learning from past queries for resource selection |
SIGIR
1997
ACM
13 years 11 months ago
1997
ACM
Word usage is domain dependent. A common word in one domain can be quite infrequent in another. In this study we exploit this property of word usage to improve document routing. W...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
SIGIR
2003
ACM
14 years 18 days ago
2003
ACM
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers distribute user...
ECAI
2000
Springer
13 years 11 months ago
2000
Springer
In several information retrieval (IR) systems there is a possibility for user feedback. Many machine learning methods have been proposed that learn from the feedback information in...
ICMLA
2007
13 years 8 months ago
2007
We apply a new active learning formulation to the problem of learning medical concepts from unstructured text. The new formulation is based on maximizing the mutual information th...