181 search results - page 8 / 37 » Distributed Query Optimization in the Stack-Based Approach |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
SERVICES
2008
13 years 9 months ago
2008
Distributed stream query services must simultaneously process a large number of complex, continuous queries with stringent performance requirements while utilizing distributed pro...
ICWE
2005
Springer
14 years 1 months ago
2005
Springer
There is an apparent need for specifying the integration of multiple knowledge sources during the design of Web Information Systems (WIS) where the actual data is often retrieved f...