5 search results - page 1 / 1 » Incorporating Variance in Impact-Based Search |
CP
2011
Springer
12 years 4 months ago
2011
Springer
We present a simple modification to the idea of impact-based search which has proven highly effective for several applications. Impacts measure the average reduction in search spa...
UAI
2008
13 years 6 months ago
2008
An efficient policy search algorithm should estimate the local gradient of the objective function, with respect to the policy parameters, from as few trials as possible. Whereas m...
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
Relevance feedback, which traditionally uses the terms in the relevant documents to enrich the user's initial query, is an effective method for improving retrieval performanc...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
This paper introduces the notion of temporally constrained ranked retrieval, which, given a query and a time constraint, produces the best possible ranked list within the specifi...
WWW
2008
ACM
14 years 5 months ago
2008
ACM
Millions of users retrieve information from the Internet using search engines. Mining these user sessions can provide valuable information about the quality of user experience and...