Consistent and flawless communication between humans and machines is the precondition for a computer to process instructions correctly. While machines use well-defined languages an...
Abstract. Landmarks are crucial for human wayfinding. Their integration in wayfinding assistance systems is essential for generating cognitively ergonomic route directions. I prese...
Previous work is reviewed and an experiment described to examine the spatial and strategic cognitive factors impacting on human orientation in the `drop-off' static orientatio...
Abstract. We present a methodology of how to use a top-level ontology to create a domain ontology from existing scientific texts by (1) identifying informal definitions of domain-s...
There have been many interpolation methods developed over the years, each with their own problems. One of the biggest limitations in many applications is the non-correspondence of...
The basic concept for processing spatial joins consists of two steps: First, the spatial join is performed on the minimum bounding rectangles of the objects by using a spatial acce...
During the last decade various spatial data structures have been designed and compared against each other, all of them re ecting a dynamic situation with ongoing object insertion a...
Although cognitive map is a popular metaphor for people's mental representations of environments, as it is typically conceived, it is often too restrictive. Two other metaphor...