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» A Theory of Stream Queries
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INFFUS
2008
175views more  INFFUS 2008»
13 years 9 months ago
Adaptive optimization of join trees for multi-join queries over sensor streams
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
Joseph S. Gomes, Hyeong-Ah Choi
PODS
2007
ACM
225views Database» more  PODS 2007»
14 years 9 months ago
Sketching unaggregated data streams for subpopulation-size queries
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
Edith Cohen, Nick G. Duffield, Haim Kaplan, Carste...
ICDT
2009
ACM
130views Database» more  ICDT 2009»
14 years 9 months ago
Towards a theory of search queries
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
George H. L. Fletcher, Jan Van den Bussche, Dirk V...
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
14 years 10 months ago
Approximately Processing Multi-granularity Aggregate Queries over Data Streams
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
Shouke Qin, Weining Qian, Aoying Zhou
ESWS
2008
Springer
13 years 10 months ago
Streaming SPARQL - Extending SPARQL to Process Data Streams
A lot of work has been done in the area of data stream processing. Most of the previous approaches regard only relational or XML based streams but do not cover semantically richer ...
Andre Bolles, Marco Grawunder, Jonas Jacobi