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» Query Transformation for PSJ-Queries
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VLDB
2004
ACM
152views Database» more  VLDB 2004»
14 years 7 months ago
The BEA streaming XQuery processor
Abstract This paper describes the design, implementation, and performance characteristics of a commercial XQuery processing engine, the BEA streaming XQuery processor. This XQuery ...
Daniela Florescu, Chris Hillery, Donald Kossmann, ...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
14 years 7 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
VLDB
2006
ACM
190views Database» more  VLDB 2006»
14 years 7 months ago
Online summarization of dynamic time series data
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
EDBT
2008
ACM
125views Database» more  EDBT 2008»
14 years 7 months ago
On the brink: searching for drops in sensor data
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
Gong Chen, Junghoo Cho, Mark H. Hansen
WEBDB
2009
Springer
185views Database» more  WEBDB 2009»
14 years 2 months ago
Efficient and Scalable Sequence-Based XML Filtering
The ubiquitous adoption of XML as the standard of data exchange over the web has led to increased interest in building efficient and scalable XML publish-subscribe (pub-sub) syste...
Mariam Salloum, Vassilis J. Tsotras