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AIED
2005
Springer
14 years 2 months ago
2005
Springer
Open learner models to facilitate reflection are becoming more common in adaptive learning environments. There are a variety of approaches to presenting the learner model to the st...
COSIT
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. The paper proposes a novel approach for a scale-dependent geometric simplification of 3D building models that are an integral part of virtual cities. In contrast to real-...
EDM
2010
13 years 10 months ago
2010
While many aspects of tutoring have been identified and studied, off topic conversation has been largely ignored. In this paper, off topic conversation during 50 hours of one-to-on...
CGI
1996
IEEE
14 years 28 days ago
1996
IEEE
Gouraud shading and Phong shading are widely used interpolation methods to render a polygon mesh of a curved surface. When an illumination equation has a specular reflection term,...
VLDB
1992
ACM
14 years 24 days ago
1992
ACM
Most extensibledatabasesystemssupportaddition of new indexes or new data types. However, the referencepatterns exhibited by these new indexes may not be efficiently supportedby ex...