140 search results - page 4 / 28 » Continuous Constraint Query Evaluation for Spatiotemporal St... |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
MIDDLEWARE
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Pervasive computing applications often entail continuous monitoring tasks, issuing persistent queries that return continuously updated views of the operational environmen...
Publication
Location-aware environments are characterized by a large number of objects and a large number of continuous queries. Both the objects and continuous queries may change their locati...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...