313 search results - page 23 / 63 » Cost-Based Object Query Optimization |
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—Recent advances in computer technology and wireless communications have enabled the emergence of stream-based sensor networks. In such sensor networks, real-time data ar...
DEXA
2004
Springer
15 years 3 months ago
2004
Springer
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...
SEMWEB
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. There is a growing discrepancy between the creation of digital content and its actual employment and usefulness in a learning society. Technologies for recording lectures...
TMC
2010
14 years 8 months ago
2010
—Data storage has become an important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. Storage nodes are introdu...
SIGMOD
1996
ACM
15 years 1 months ago
1996
ACM
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...