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» A query index for continuous queries on RFID streaming data
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GIS
2004
ACM
14 years 9 months ago
Spatio-temporal aggregates over raster image data
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...
Jie Zhang, Michael Gertz, Demet Aksoy
ICDE
2007
IEEE
174views Database» more  ICDE 2007»
14 years 2 months ago
Adapting Partitioned Continuous Query Processing in Distributed Systems
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
Yali Zhu, Elke A. Rundensteiner
DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
14 years 2 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou
SIGMOD
2010
ACM
267views Database» more  SIGMOD 2010»
14 years 25 days ago
Processing proximity relations in road networks
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
Zhengdao Xu, Hans-Arno Jacobsen
PDP
2008
IEEE
14 years 2 months ago
Distributed Sparse Spatial Selection Indexes
Searching for similar objects in metric-space databases can be efficiently solved by using index data structures. A number of alternative sequential indexes have been proposed in...
Veronica Gil Costa, Mauricio Marín