9414 search results - page 20 / 1883 » Adaptive Query Processing |
SIGMOD
1999
ACM
14 years 2 days ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Recent work on querying data streams has focused on systems where newly arriving data is processed and continuously streamed to the user in real-time. In many emerging application...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
PODS
2007
ACM
14 years 8 months ago
2007
ACM
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
TKDE
2008
13 years 7 months ago
2008
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...