950 search results - page 19 / 190 » Evaluation over thousands of queries |
SIGMOD
1995
ACM
14 years 15 days ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
NBIS
2007
Springer
14 years 3 months ago
2007
Springer
Range queries, retrieving all keys within a given range, is an important add-on for Distributed Hash Tables (DHTs), as they rely only on exact key matching lookup. In this paper we...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Self-managing solutions have recently attracted a lot of interest from the database community. The need for self-* properties is more evident in distributed applications comprising...
DEBS
2009
ACM
14 years 3 months ago
2009
ACM
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
ICDE
2005
IEEE
14 years 2 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...