140 search results - page 12 / 28 » Continuous Constraint Query Evaluation for Spatiotemporal St... |
ICDT
2003
ACM
14 years 1 months ago
2003
ACM
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
RTSS
2006
IEEE
14 years 2 months ago
2006
IEEE
With the emergence of large wired and wireless sensor networks, many real-time applications need to operate on continuous unbounded data streams. At the same time, many of these s...
MDM
2005
Springer
14 years 2 months ago
2005
Springer
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
EDBTW
2006
Springer
14 years 12 days ago
2006
Springer
Abstract. Recent research efforts in the fields of data stream processing and data stream management systems (DSMSs) show the increasing importance of processing data streams, e. g...