783 search results - page 71 / 157 » Information Retrieval in Folksonomies: Search and Ranking |
SIGIR
2010
ACM
13 years 5 months ago
2010
ACM
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps t...
AIRWEB
2008
Springer
13 years 9 months ago
2008
Springer
As web search providers seek to improve both relevance and response times, they are challenged by the ever-increasing tax of automated search query traffic. Third party systems in...
WWW
2011
ACM
13 years 2 months ago
2011
ACM
We investigate the problem of learning to rank for document retrieval from the perspective of learning with multiple objective functions. We present solutions to two open problems...