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» Integrating Formal Description Techniques
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BTW
2009
Springer
153views Database» more  BTW 2009»
14 years 4 months ago
Formalizing ETL Jobs for Incremental Loading of Data Warehouses
Abstract: Extract-transform-load (ETL) tools are primarily designed for data warehouse loading, i.e. to perform physical data integration. When the operational data sources happen ...
Thomas Jörg, Stefan Deßloch
PODS
2000
ACM
137views Database» more  PODS 2000»
14 years 2 months ago
Query Containment for Data Integration Systems
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
Todd D. Millstein, Alon Y. Levy, Marc Friedman
ER
2008
Springer
91views Database» more  ER 2008»
13 years 11 months ago
Model Driven Specification of Ontology Translations
Abstract. The alignment of different ontologies requires the specification, representation and execution of translation rules. The rules need to integrate translations at the lexic...
Fernando Silva Parreiras, Steffen Staab, Simon Sch...
SEMWEB
2009
Springer
14 years 2 months ago
Reasoning With Provenance, Trust and all that other Meta Knowlege in OWL
Abstract—For many tasks, such as the integration of knowledge bases in the semantic web, one must not only handle the knowledge itself, but also characterizations of this knowled...
Simon Schenk, Renata Queiroz Dividino, Steffen Sta...
ICDE
1999
IEEE
151views Database» more  ICDE 1999»
14 years 11 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su