Sciweavers

140 search results - page 22 / 28
» Continuous Constraint Query Evaluation for Spatiotemporal St...
Sort
View
SISAP
2008
IEEE
147views Data Mining» more  SISAP 2008»
14 years 1 months ago
An Empirical Evaluation of a Distributed Clustering-Based Index for Metric Space Databases
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
Veronica Gil Costa, Mauricio Marín, Nora Re...
SIGMOD
2003
ACM
193views Database» more  SIGMOD 2003»
14 years 7 months ago
Chain : Operator Scheduling for Memory Minimization in Data Stream Systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...
MOBIDE
2006
ACM
14 years 1 months ago
Boosting location-based services with a moving object database engine
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
Nikos Pelekis, Yannis Theodoridis
VLDB
2004
ACM
108views Database» more  VLDB 2004»
14 years 27 days ago
QStream: Deterministic Querying of Data Streams
Current developments in processing data streams are based on the best-effort principle and therefore not adequate for many application areas. When sensor data is gathered by inte...
Sven Schmidt, Henrike Berthold, Wolfgang Lehner
GEOS
2007
Springer
14 years 1 months ago
Spatio-temporal Conceptual Schema Development for Wide-Area Sensor Networks
Abstract. A Wide-Area Sensor Network (WASN) is a collection of heterogeneous sensor networks and data repositories spread over a wide geographic area. The diversity of sensor types...
Mallikarjun Shankar, Alexandre Sorokine, Budhendra...