948 search results - page 2 / 190 » On Spatial Information Retrieval and Database Generalization |
SSDBM
2007
IEEE
13 years 11 months ago
2007
IEEE
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime a...
GIS
2009
ACM
14 years 7 days ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...
VLDB
1998
ACM
13 years 5 months ago
1998
ACM
Abstract. In this paper, we present an image retrieval system that employs both the color and spatial information of images to facilitate the retrieval process. The basic unit used...
GIR
2006
ACM
13 years 11 months ago
2006
ACM
Vague spatial information such as “x is located at walking distance of y” is abundant on the web. In this contribution, we propose a framework to represent such spatial inform...
GIS
2005
ACM
14 years 6 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...