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PKDD
2007
Springer
95views Data Mining» more  PKDD 2007»
14 years 2 months ago
Pruning Relations for Substructure Discovery of Multi-relational Databases
Multirelational data mining methods discover patterns across multiple interlinked tables (relations) in a relational database. In many large organizations, such a multi-relational ...
Hongyu Guo, Herna L. Viktor, Eric Paquet
ICPPW
2005
IEEE
14 years 2 months ago
A Practical Approach to the Rating of Barrier Algorithms Using the LogP Model and Open MPI
Large–scale parallel applications performing global synchronization may spend a significant amount of execution time waiting for the completion of a barrier operation. Conseque...
Torsten Hoefler, Lavinio Cerquetti, Torsten Mehlan...
ICANNGA
2007
Springer
100views Algorithms» more  ICANNGA 2007»
14 years 19 days ago
Softening Splits in Decision Trees Using Simulated Annealing
Predictions computed by a classification tree are usually constant on axis-parallel hyperrectangles corresponding to the leaves and have strict jumps on their boundaries. The densi...
Jakub Dvorák, Petr Savický
STAIRS
2008
169views Education» more  STAIRS 2008»
13 years 10 months ago
Probabilistic Association Rules for Item-Based Recommender Systems
Since the beginning of the 1990's, the Internet has constantly grown, proposing more and more services and sources of information. The challenge is no longer to provide users ...
Sylvain Castagnos, Armelle Brun, Anne Boyer
PDCN
2004
13 years 10 months ago
K-Means VQ algorithm using a low-cost parallel cluster computing
It is well-known that the time and memory necessary to create a codebook from large training databases have hindered the vector quantization based systems for real applications. T...
Paulo Sergio Lopes de Souza, Alceu de Souza Britto...