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» Analyzing Plan Diagrams of Database Query Optimizers
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DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
14 years 3 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou
CAISE
2003
Springer
14 years 2 months ago
Component Engineering for Large Database Applications
Database modeling is still a job of an artisan. Due to this approach database schemata evolve by growth without any evolution plan. Finally, they cannot be examined, surveyed, cons...
Bernhard Thalheim
PODS
2010
ACM
306views Database» more  PODS 2010»
14 years 2 months ago
Optimizing linear counting queries under differential privacy
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
Chao Li, Michael Hay, Vibhor Rastogi, Gerome Mikla...
BNCOD
1997
76views Database» more  BNCOD 1997»
13 years 10 months ago
Query Evaluation in CROQUE - Calculus and Algebra Coincide
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
Torsten Grust, Joachim Kröger, Dieter Gluche,...
EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 9 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish