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» Relational Database Operations Modeling with UML
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VLDB
2005
ACM
113views Database» more  VLDB 2005»
14 years 10 months ago
Mediators over taxonomy-based information sources
Abstract. We propose a mediator model for providing integrated and unified access to multiple taxonomy-based sources. Each source comprises a taxonomy and a database that indexes o...
Yannis Tzitzikas, Nicolas Spyratos, Panos Constant...
DEXAW
2004
IEEE
99views Database» more  DEXAW 2004»
14 years 1 months ago
GI-Cat: a Web Service for Dataset Cataloguing Based on ISO 19115
In this article, we present the GI-Cat web service: a SOAP-based service which provides the basic functionalities for GI dataset cataloguing and access. The introduced GI-Cat data...
Lorenzo Bigagli, Stefano Nativi, Paolo Mazzetti, G...
DATAMINE
1998
126views more  DATAMINE 1998»
13 years 9 months ago
An Extension to SQL for Mining Association Rules
Data mining evolved as a collection of applicative problems and efficient solution algorithms relative to rather peculiar problems, all focused on the discovery of relevant infor...
Rosa Meo, Giuseppe Psaila, Stefano Ceri
EDBT
1992
ACM
111views Database» more  EDBT 1992»
14 years 1 months ago
Pipelined Query Processing in the DBGraph Storage Model
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
Philippe Pucheral, Jean-Marc Thévenin
SIGMOD
2004
ACM
108views Database» more  SIGMOD 2004»
14 years 10 months ago
Enabling Sovereign Information Sharing Using Web Services
Sovereign information sharing allows autonomous entities to compute queries across their databases in such a way that nothing apart from the result is revealed. We describe an imp...
Rakesh Agrawal, Dmitri Asonov, Ramakrishnan Srikan...