829 search results - page 64 / 166 » Location-aware Query Processing and Optimization |
DMSN
2009
ACM
14 years 4 months ago
2009
ACM
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
ICDE
2012
IEEE
12 years 2 days ago
2012
IEEE
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
DEXA
1995
Springer
14 years 1 months ago
1995
Springer
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
ADBIS
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
DASFAA
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract. To provide complex query processing in peer-to-peer systems has attracted much attention in both academic and industrial community. We present GChord, a scalable techniqu...