288 search results - page 56 / 58 » Continuous Query Processing in Spatio-Temporal Databases |
WSDM
2009
ACM
14 years 3 months ago
2009
ACM
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
We present a technique that masks failures in a cluster to provide high availability and fault-tolerance for long-running, parallelized dataflows. We can use these dataflows to im...
CIKM
2004
Springer
14 years 2 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
The Web is becoming a universal information dissemination medium, due to a number of factors including its support for content dynamicity. A growing number of Web information prov...
KDD
2000
ACM
14 years 5 days ago
2000
ACM
The grand tour, one of the most popular methods for multidimensional data exploration, is based on orthogonally projecting multidimensional data to a sequence of lower dimensional...