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» A Theory of Stream Queries
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VLDB
2005
ACM
103views Database» more  VLDB 2005»
14 years 2 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
14 years 9 months ago
Processing Set Expressions over Continuous Update Streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
BDA
2007
13 years 10 months ago
Towards Action-Oriented Continuous Queries in Pervasive Systems
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
Yann Gripay, Frédérique Laforest, Je...
ISAAC
2004
Springer
117views Algorithms» more  ISAAC 2004»
14 years 2 months ago
Adaptive Spatial Partitioning for Multidimensional Data Streams
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
John Hershberger, Nisheeth Shrivastava, Subhash Su...
SIGMOD
2003
ACM
100views Database» more  SIGMOD 2003»
14 years 9 months ago
XPath Queries on Streaming Data
We present the design and implementation of the XSQ system for
Feng Peng, Sudarshan S. Chawathe