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» A Theory of Stream Queries
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ICDT
2005
ACM
95views Database» more  ICDT 2005»
14 years 1 months ago
Semantics of Data Streams and Operators
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...
David Maier, Jin Li, Peter A. Tucker, Kristin Tuft...
DASFAA
2007
IEEE
151views Database» more  DASFAA 2007»
13 years 11 months ago
On Label Stream Partition for Efficient Holistic Twig Join
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...
Bo Chen, Tok Wang Ling, M. Tamer Özsu, Zhenzh...
DASFAA
2007
IEEE
202views Database» more  DASFAA 2007»
14 years 2 months ago
Optimizing Moving Queries over Moving Object Data Streams
With the increasing in demand on location-based aware services and RFIDs, efficient processing of continuous queries over moving object streams becomes important. In this paper, w...
Dan Lin, Bin Cui, Dongqing Yang
ICDE
2006
IEEE
147views Database» more  ICDE 2006»
14 years 1 months ago
Optimizing Multiple Queries in Distributed Data Stream Systems
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
Sangeetha Seshadri, Vibhore Kumar, Brian F. Cooper
VLDB
2004
ACM
203views Database» more  VLDB 2004»
14 years 1 months ago
PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
Mohamed F. Mokbel, Xiaopeng Xiong, Walid G. Aref, ...