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» SQLST: A Spatio-Temporal Data Model and Query Language
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ICALP
2005
Springer
15 years 3 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
ICDT
2009
ACM
166views Database» more  ICDT 2009»
15 years 10 months ago
A compositional framework for complex queries over uncertain data
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
Christoph Koch, Michaela Götz
MM
2005
ACM
166views Multimedia» more  MM 2005»
15 years 3 months ago
MedSMan: a streaming data management system over live multimedia
Querying live media streams is a challenging problem that is becoming an essential requirement in a growing number of applications. Research in multimedia information systems has ...
Bin Liu, Amarnath Gupta, Ramesh Jain
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
15 years 11 months ago
Designing and Evaluating an XPath Dialect for Linguistic Queries
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
Steven Bird, Yi Chen, Susan B. Davidson, Haejoong ...
CL
2000
Springer
14 years 9 months ago
A Formal Model for an Expressive Fragment of XSLT
The extension of the XSL (eXtensible Style sheet Language) by variables and passing of data values between template rules has generated a powerful XML query language: XSLT (eXtens...
Geert Jan Bex, Sebastian Maneth, Frank Neven