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SEMCO
2007
IEEE
14 years 4 months ago
Perceptual Shape-Based Natural Image Representation and Retrieval
Human visual recognition is based largely on shape, yet effectively using shapes in natural image retrieval is a challenging task. Most existing methods are based on the geometric...
Xiaofen Zheng, Scott A. Sherrill-Mix, Qigang Gao
AUSDM
2007
Springer
131views Data Mining» more  AUSDM 2007»
14 years 4 months ago
A Bottom-Up Projection Based Algorithm for Mining High Utility Itemsets
Mining High Utility Itemsets from a transaction database is to find itemsests that have utility above a user-specified threshold. This problem is an extension of Frequent Itemset ...
Alva Erwin, Raj P. Gopalan, N. R. Achuthan
CSCLP
2007
Springer
14 years 4 months ago
Quasi-Linear-Time Algorithms by Generalisation of Union-Find in CHR
Abstract. The union-find algorithm can be seen as solving simple equations between variables or constants. With a few lines of code change, we generalise its implementation in CHR...
Thom W. Frühwirth
ECML
2007
Springer
14 years 4 months ago
An Improved Model Selection Heuristic for AUC
Abstract. The area under the ROC curve (AUC) has been widely used to measure ranking performance for binary classification tasks. AUC only employs the classifier’s scores to ra...
Shaomin Wu, Peter A. Flach, Cèsar Ferri Ram...
ECOWS
2007
Springer
14 years 4 months ago
Composing Services with JOLIE
Service composition and service statefulness are key concepts in Web Service system programming. In this paper we present JOLIE, which is the full implementation of our formal cal...
Fabrizio Montesi, Claudio Guidi, Gianluigi Zavatta...