641 search results - page 101 / 129 » Studying Query Expansion Effectiveness |
SSDBM
2010
IEEE
13 years 5 months ago
2010
IEEE
Skyline queries have attracted considerable attention over the last few years, mainly due to their ability to return interesting objects without the need for user-defined scoring f...
ADC
2010
Springer
13 years 2 months ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
CHI
2005
ACM
14 years 8 months ago
2005
ACM
This paper describes an approach towards automating the identification of design problems with three-dimensional mediated or gaming environments through the capture and query of u...
ICDM
2008
IEEE
14 years 2 months ago
2008
IEEE
Since Jim Gray introduced the concept of ”data cube” in 1997, data cube, associated with online analytical processing (OLAP), has become a driving engine in data warehouse ind...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...