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» Spatial Logics for Bigraphs
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3DGIS
2006
Springer
15 years 4 months ago
3D Geometries in Spatial DBMS
Database management systems (DBMS) have significantly changed in the last several years. From a system dealing with management of administrative data they have involved to a spati...
Sisi Zlatanova
165
Voted
GIS
2008
ACM
15 years 11 months ago
An operation-independent approach to extend 2D spatial operations to 3D and moving objects
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...
Farid Karimipour, Andrew U. Frank, Mahmoud Reza De...
ENTCS
2006
130views more  ENTCS 2006»
14 years 10 months ago
Modularity in Coalgebra
This paper gives an overview of recent results concerning the modular derivation of (i) modal specification logics, (ii) notions of simulation together with logical characterisati...
Corina Cîrstea
FSKD
2005
Springer
141views Fuzzy Logic» more  FSKD 2005»
15 years 3 months ago
Spatial Homogeneity-Based Fuzzy c-Means Algorithm for Image Segmentation
Abstract. A fuzzy c-means algorithm incorporating the notion of dominant colors and spatial homogeneity is proposed for the color clustering problem. The proposed algorithm extract...
Bo-Yeong Kang, Dae-Won Kim, Qing Li
ENTCS
2007
100views more  ENTCS 2007»
14 years 10 months ago
Extensionality of Spatial Observations in Distributed Systems
We discuss the tensions between intensionality and extensionality of spatial observations in distributed systems, showing that there are natural models where extensional observati...
Luís Caires, Hugo Torres Vieira