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» Optimizing XPath Queries on Streaming XML Data
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VLDB
2004
ACM
112views Database» more  VLDB 2004»
15 years 12 months ago
Tracking set-expression cardinalities 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 i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
EDBT
2009
ACM
110views Database» more  EDBT 2009»
15 years 4 months ago
A sampling approach for XML query selectivity estimation
As the Extensible Markup Language (XML) rapidly establishes itself as the de facto standard for presenting, storing, and exchanging data on the Internet, large volume of XML data ...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yu, Qia...
ISI
2008
Springer
14 years 11 months ago
Towards service-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 used...
Yann Gripay, Frédérique Laforest, Je...
ICDE
2005
IEEE
183views Database» more  ICDE 2005»
16 years 1 months ago
Adaptive Caching for Continuous Queries
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
Shivnath Babu, Kamesh Munagala, Jennifer Widom, Ra...
SEMWEB
2005
Springer
15 years 5 months ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...