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» Spatial Reasoning with a Hole
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GIS
2006
ACM
14 years 8 months ago
Distance join queries on spatial networks
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
Jagan Sankaranarayanan, Houman Alborzi, Hanan Same...
GIS
2009
ACM
14 years 8 months ago
Spatio-Textual Spreadsheets: Geotagging via Spatial Coherence
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...
Hanan Samet, Jagan Sankaranarayanan, Jon Sperling,...
GIS
2005
ACM
14 years 8 months ago
Use of rational numbers in the design of robust geometric primitives for three-dimensional spatial database systems
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
Brian E. Weinrich, Markus Schneider
KI
2002
Springer
13 years 7 months ago
Spatial Strategies in Human-Robot Communication
This paper deals with various kinds of mental representations available for linguistic instruction in spatial humanrobot interaction. After a survey of the literature on spatial r...
Thora Tenbrink, Kerstin Fischer, Reinhard Moratz
SPIN
2007
Springer
14 years 1 months ago
Towards Model Checking Spatial Properties with SPIN
Abstract. We present an approach for the verication of spatial properties with Spin. We rst extend one of Spin's main property specication mechanisms, i.e., the linear-time...
Alberto Lluch-Lafuente