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» Processing Queries over Distributed XML Databases
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SIGMOD
2005
ACM
168views Database» more  SIGMOD 2005»
14 years 10 months ago
No pane, no gain: efficient evaluation of sliding-window aggregates over data streams
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...
WEBDB
2005
Springer
83views Database» more  WEBDB 2005»
14 years 3 months ago
Indexing for XML Siblings
Efficient querying XML documents is an increasingly important issue considering the fact that XML becomes the de facto standard for data representation and exchange over the Web,...
SungRan Cho
ICDT
2003
ACM
132views Database» more  ICDT 2003»
14 years 3 months ago
Probabilistic Interval XML
Interest in XML databases has been growing over the last few years. In this paper, we study the problem of incorporating probabilistic information into XML databases. We propose th...
Edward Hung, Lise Getoor, V. S. Subrahmanian
SSD
2007
Springer
171views Database» more  SSD 2007»
14 years 4 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
14 years 10 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss