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TVCG
2010
153views more  TVCG 2010»
15 years 4 months ago
Hierarchical Aggregation for Information Visualization: Overview, Techniques, and Design Guidelines
—We present a model for building, visualizing, and interacting with multiscale representations of information visualization techniques using hierarchical aggregation. The motivat...
Niklas Elmqvist, Jean-Daniel Fekete
BALT
2006
15 years 10 months ago
On Ontology, ontologies, Conceptualizations, Modeling Languages, and (Meta)Models
In philosophy, the term ontology has been used since the 17th century to refer both to a philosophical discipline (Ontology with a capital "O"), and as a domain-independe...
Giancarlo Guizzardi
AIED
2009
Springer
16 years 1 months ago
Fostering engaged and directed learning by activity foregrounding and backgrounding
We propose a design model for guiding learning in exploratory environments through representational choices. Selecting the appropriate representations at the correct granularity ca...
Katherine Howland, Benedict du Boulay, Judith Good
GMP
2006
IEEE
151views Solid Modeling» more  GMP 2006»
16 years 17 days ago
A Surface Displaced from a Manifold
We present a new surface representation scheme based on a manifold structure and displacement functions. Given a geometric model represented as a point cloud, we construct a domain...
Seung-Hyun Yoon
FLAIRS
2008
15 years 8 months ago
Multi-Prototype Concept and Object Typicality in Ontology
Concept representation in ontology is a basic problem on the Semantic Web. In human cognitive process, object typicality plays an important role in concept representation. Traditi...
Yi Cai, Ho-fung Leung, Ada Wai-Chee Fu