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» Learning By Observation Using Qualitative Spatial Relations
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VR
2007
IEEE
168views Virtual Reality» more  VR 2007»
14 years 1 months ago
Can People Not Tell Left from Right in VR? Point-to-origin Studies Revealed Qualitative Errors in Visual Path Integration
Even in state-of-the-art virtual reality (VR) setups, participants often feel lost when navigating through virtual environments. In psychological experiments, such disorientation ...
Bernhard E. Riecke, Jan Malte Wiener
KI
2005
Springer
14 years 1 months ago
Dependency Calculus: Reasoning in a General Point Relation Algebra
The point algebra is a fundamental formal calculus for spatial and temporal reasoning. We present a new generalization that meets all requirements to describe dependencies on netw...
Marco Ragni, Alexander Scivos
COSIT
2003
Springer
101views GIS» more  COSIT 2003»
14 years 25 days ago
Maintaining Spatial Relations in an Incremental Diagrammatic Reasoner
Because diagrams are often created incrementally, a qualitative diagrammatic reasoning system must dynamically manage a potentially large set of spatial interpretations. This pape...
Ronald W. Ferguson, Joseph L. Bokor, Rudolph L. Ma...
AMR
2003
Springer
179views Multimedia» more  AMR 2003»
14 years 25 days ago
Building User Models from Observations of Users Accessing Multimedia Learning Objects
Abstract. We report our work towards building user models of learner’s development based upon evidence of their interactions with an e-learning website composed of multimedia lea...
Judy Kay, Andrew Lum
COSIT
2001
Springer
158views GIS» more  COSIT 2001»
14 years 3 days ago
Double-Crossing: Decidability and Computational Complexity of a Qualitative Calculus for Navigation
Abstract. The Double Cross calculus has been proposed for the purpose of navigation based on qualitative information about spatial configurations. Up until now, however, no result...
Alexander Scivos, Bernhard Nebel