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DATAMINE
1998
126views more  DATAMINE 1998»
13 years 7 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
DOLAP
2005
ACM
13 years 9 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
SIGMOD
2008
ACM
136views Database» more  SIGMOD 2008»
14 years 7 months ago
Mining relationships among interval-based events for classification
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
Dhaval Patel, Wynne Hsu, Mong-Li Lee
ER
1995
Springer
152views Database» more  ER 1995»
13 years 11 months ago
A Logic Framework for a Semantics of Object-Oriented Data Modeling
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
Olga De Troyer, Robert Meersman
ICDT
2009
ACM
130views Database» more  ICDT 2009»
14 years 8 months ago
Towards a theory of search queries
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
George H. L. Fletcher, Jan Van den Bussche, Dirk V...