1196 search results - page 47 / 240 » Keyword Search on Spatial Databases |
WWW
2004
ACM
14 years 8 months ago
2004
ACM
Without textual descriptions or label information of images, searching semantic concepts in image databases is still a very challenging task. While automatic annotation techniques...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
The quality of a local search engine, such as Google and Bing Maps, heavily relies on its geographic datasets. Typically, these datasets are obtained from multiple sources, e.g., ...
ICDE
1991
IEEE
13 years 11 months ago
1991
IEEE
Existing Database Management Systems (DBMSs) do not handle efficiently multi-dimensional data such as boxes, polygons, or even points in a multi-dimensional space. We examine acc...
BNCOD
2004
13 years 9 months ago
2004
Abstract. We present a new application for keyword search within relational databases, which uses a novel algorithm to solve the join discovery problem by finding Memex-like trails...
GIS
2006
ACM
14 years 8 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...