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» An objective approach to cluster validation
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SPIN
2004
Springer
15 years 3 months ago
Validation of UML Models via a Mapping to Communicating Extended Timed Automata
Abstract. We present a technique and a tool for model-checking operational UML models based on a mapping of object oriented UML models into a framework of communicating extended ti...
Iulian Ober, Susanne Graf, Ileana Ober
SSDBM
2005
IEEE
218views Database» more  SSDBM 2005»
15 years 3 months ago
The "Best K" for Entropy-based Categorical Data Clustering
With the growing demand on cluster analysis for categorical data, a handful of categorical clustering algorithms have been developed. Surprisingly, to our knowledge, none has sati...
Keke Chen, Ling Liu
ICRA
2008
IEEE
204views Robotics» more  ICRA 2008»
15 years 4 months ago
Active exploration and keypoint clustering for object recognition
— Object recognition is a challenging problem for artificial systems. This is especially true for objects that are placed in cluttered and uncontrolled environments. To challenge...
Gert Kootstra, Jelmer Ypma, Bart de Boer
IBPRIA
2007
Springer
15 years 4 months ago
Locating and Segmenting 3D Deformable Objects by Using Clusters of Contour Fragments
Abstract. This paper presents a new approach to the problem of simultaneous location and segmentation of object in images. The main emphasis is done on the information provided by ...
Manuel J. Marín-Jiménez, Nicolas P&e...
BMCBI
2007
104views more  BMCBI 2007»
14 years 10 months ago
Using contextual and lexical features to restructure and validate the classification of biomedical concepts
Background: Biomedical ontologies are critical for integration of data from diverse sources and for use by knowledge-based biomedical applications, especially natural language pro...
Jung-Wei Fan, Hua Xu, Carol Friedman