64 search results - page 10 / 13 » View-Based Query Answering and Query Containment over Semist... |
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
ICDT
2011
ACM
12 years 10 months ago
2011
ACM
Provenance in scientific workflows is a double-edged sword. On the one hand, recording information about the module executions used to produce a data item, as well as the parame...
WISE
2005
Springer
14 years 29 days ago
2005
Springer
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
ISAAC
2004
Springer
14 years 22 days ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
BTW
2007
Springer
13 years 11 months ago
2007
Springer
Abstract: Content based multimedia retrieval is an important topic in database systems. An emerging and challenging topic in this area is the content based search in video data. A ...