Sciweavers

160 search results - page 27 / 32
» Qualitative Spatial Reasoning Extracting and Reasoning with ...
Sort
View
GIS
2009
ACM
14 years 8 months ago
Custom Local Search
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
Naren Datha, Tanuja Joshi, Joseph Joy, Vibhuti S. ...
GIS
2009
ACM
13 years 11 months ago
Classification of raster maps for automatic feature extraction
Raster maps are widely available and contain useful geographic features such as labels and road lines. To extract the geographic features, most research work relies on a manual st...
Yao-Yi Chiang, Craig A. Knoblock
PERCOM
2007
ACM
14 years 7 months ago
Middleware Support for Quality of Context in Pervasive Context-Aware Systems
Middleware support for pervasive context-aware systems relieves context-aware applications from dealing with the complexity of context-specific operations such as context acquisit...
Kamran Sheikh, Maarten Wegdam, Marten van Sinderen
GIS
2002
ACM
13 years 7 months ago
Handling semantic heterogeneities using declarative agreements
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
Isabel F. Cruz, Afsheen Rajendran, William Sunna, ...
GIS
2006
ACM
14 years 8 months ago
Generalization of land cover maps by mixed integer programming
We present a novel method for the automatic generalization of land cover maps. A land cover map is composed of areas that collectively form a tessellation of the plane and each ar...
Jan-Henrik Haunert, Alexander Wolff