316 search results - page 28 / 64 » Evaluation of Conditional Preference Queries |
COLCOM
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract. Collaborative search engines (CSE) let users pool their resources and share their experiences when seeking information on the web. However, when shared, search terms and ...
SSD
2001
Springer
14 years 2 months ago
2001
Springer
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
WSMAI
2004
13 years 11 months ago
2004
Continuous Queries (CQ) help users to retrieve results as soon as they become available. The CQ keeps track of two important events. If there is any change in the source informatio...
DASFAA
2010
IEEE
14 years 1 months ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...