379 search results - page 28 / 76 » Order in Space: A General Formalism for Spatial Reasoning |
GIS
2004
ACM
14 years 9 months ago
2004
ACM
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
In order to provide context?aware Location?Based Services, real location data of mobile users must be collected and analyzed by spatio?temporal data mining methods. However, the d...
CADE
2005
Springer
14 years 8 months ago
2005
Springer
Our general goal is to provide better automation in interactive proof assistants such as Coq. We present an interpreter of proof traces in first-order multi-sorted logic with equal...
GIS
2006
ACM
14 years 9 months ago
2006
ACM
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...
FOSSACS
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We present a realizability model for a call-by-value, higherorder programming language with parametric polymorphism, general first-class references, and recursive types....