785 search results - page 121 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
250
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
191
click to vote
CIKM
2007
Springer
15 years 10 months ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...
261
click to vote
VLDB
2002
ACM
16 years 6 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
282
click to vote
GIS
2007
ACM
16 years 7 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
261
click to vote
SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...