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SIGMOD
2002
ACM
119views Database» more  SIGMOD 2002»
14 years 10 months ago
Rate-based query optimization for streaming information sources
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
Stratis Viglas, Jeffrey F. Naughton
ICDT
2005
ACM
95views Database» more  ICDT 2005»
14 years 3 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...
EDBT
2010
ACM
208views Database» more  EDBT 2010»
14 years 4 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
14 years 10 months ago
Stream Processing of XPath Queries with Predicates
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
Ashish Kumar Gupta, Dan Suciu
ADC
2009
Springer
145views Database» more  ADC 2009»
14 years 1 months ago
Efficient XQuery Join Processing in Publish/Subscribe Systems
Efficient XML filtering has been a fundamental technique in recent Web service and XML publish/subscribe applications. In this paper, we consider the problem of filtering a contin...
Ryan H. Choi, Raymond K. Wong