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CIKM
2006
Springer
15 years 2 months ago
Processing relaxed skylines in PDMS using distributed data summaries
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
Katja Hose, Christian Lemke, Kai-Uwe Sattler
NLPRS
2001
Springer
15 years 4 months ago
XML Transformation-based three-stage pipelined Natural Language Generation System
The purpose of this study is to generate weather forecasts from XML-stored weather dataset. Reiter and Dale (2000) proposes Natural Language Generation (NLG) System as three-stage...
Yohei Seki
SIGMOD
2005
ACM
119views Database» more  SIGMOD 2005»
16 years 17 days ago
Update-Pattern-Aware Modeling and Processing of Continuous Queries
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
Lukasz Golab, M. Tamer Özsu
SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
16 years 17 days ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...
ICDT
2007
ACM
143views Database» more  ICDT 2007»
15 years 6 months ago
Database Query Processing Using Finite Cursor Machines
We introduce a new abstract model of database query processing, finite cursor machines, that incorporates certain data streaming aspects. The model describes quite faithfully what...
Martin Grohe, Yuri Gurevich, Dirk Leinders, Nicole...