98 search results - page 9 / 20 » A Formal Model for the Problem of View Selection for Aggrega... |
JCP
2008
13 years 7 months ago
2008
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...
HICSS
2011
IEEE
12 years 11 months ago
2011
IEEE
— Decision optimization is used in many applications such as those for finding the best course of action in emergencies. However, optimization solutions require considerable mat...
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
Technology in the field of digital media generates huge amounts of nontextual information, audio, video, and images, along with more familiar textual information. The potential for...
SEMCO
2008
IEEE
14 years 2 months ago
2008
IEEE
Semantic Web service descriptions are typically multiparameter constructs. Discovering semantically relevant services, given a desirable service description, is typically addresse...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
We study the fundamental limitations of relational algebra (RA) and SQL in supporting sequence and stream queries, and present effective query language and data model enrichments ...