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DAWAK
2007
Springer
15 years 7 months ago
Automating the Schema Matching Process for Heterogeneous Data Warehouses
Abstract. A federated data warehouse is a logical integration of data warehouses applicable when physical integration is impossible due to privacy policy or legal restrictions. In ...
Marko Banek, Boris Vrdoljak, A. Min Tjoa, Zoran Sk...
140
Voted
EWMF
2005
Springer
15 years 6 months ago
Introducing Semantics in Web Personalization: The Role of Ontologies
Web personalization is the process of customizing a web site to the needs of each specific user or set of users. Personalization of a web site may be performed by the provision of ...
Magdalini Eirinaki, Dimitrios Mavroeidis, George T...
106
Voted
ISMDA
2005
Springer
15 years 6 months ago
The Ontological Lens: Zooming in and out from Genomic to Clinical Level
Abstract. Ontology is the talk of the day in the medical informatics comm.unity. Its relevant role in the design and implementation of information systems in health care is now wid...
Domenico M. Pisanelli, Francesco Pinciroli, Marco ...
VLDB
2004
ACM
123views Database» more  VLDB 2004»
15 years 6 months ago
CORDS: Automatic Generation of Correlation Statistics in DB2
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
Ihab F. Ilyas, Volker Markl, Peter J. Haas, Paul G...
111
Voted
FCT
2001
Springer
15 years 5 months ago
Polynomial Time Algorithms for Finding Unordered Tree Patterns with Internal Variables
Many documents such as Web documents or XML files have tree structures. A term tree is an unordered tree pattern consisting of internal variables and tree structures. In order to ...
Takayoshi Shoudai, Tomoyuki Uchida, Tetsuhiro Miya...