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ICDT
2003
ACM
91views Database» more  ICDT 2003»
14 years 2 months ago
Reformulation of XML Queries and Constraints
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
Alin Deutsch, Val Tannen
BNCOD
2004
95views Database» more  BNCOD 2004»
13 years 10 months ago
XML Data Integration by Graph Restructuring
This technical report describes the XML data integration framework being built within the AutoMed heterogeneous data integration system. It presents a description of the overall f...
Lucas Zamboulis
SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
14 years 9 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...
DEXA
2004
Springer
110views Database» more  DEXA 2004»
14 years 2 months ago
An a Priori Approach for Automatic Integration of Heterogeneous and Autonomous Databases
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
Ladjel Bellatreche, Guy Pierra, Dung Nguyen Xuan, ...
CORR
2000
Springer
230views Education» more  CORR 2000»
13 years 8 months ago
Integrating E-Commerce and Data Mining: Architecture and Challenges
We show that the e-commerce domain can provide all the right ingredients for successful data mining. We describe an integrated architecture for supporting this integration. The ar...
Suhail Ansari, Ron Kohavi, Llew Mason, Zijian Zhen...