1394 search results - page 31 / 279 » Executing Nested Queries |
130
Voted
BDA
2003
15 years 4 months ago
2003
Pervasive computing introduces data management requirements that must be tackled in a growingvariety of lightweight computing devices. Personal folders on chip, networks of sensor...
144
Voted
ICDCS
2009
IEEE
15 years 10 days ago
2009
IEEE
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
197
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
132
Voted
WWW
2005
ACM
16 years 3 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
118
Voted
EDBT
2004
ACM
15 years 8 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...