1559 search results - page 3 / 312 » Evaluation of Query Performance Prediction Methods by Range |
EDBT
2009
ACM
13 years 10 months ago
2009
ACM
Range queries for querying the current and future positions of the moving objects have received growing interests in the research community. Existing methods, however, assume that...
IWCMC
2010
ACM
14 years 17 days ago
2010
ACM
As wireless networks have been widely deployed for public mobile services, predicting the location of a mobile user in wireless networks became an interesting and challenging prob...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Numerous studies have examined the ability of query performance prediction methods to estimate a query’s quality for system effectiveness measures (such as average precision). ...
DIAGRAMS
2006
Springer
13 years 11 months ago
2006
Springer
This paper describes the evaluation of ERST, an adaptive system which is designed to improve its users' external representation (ER) selection accuracy on a range of database ...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...