28 search results - page 5 / 6 » Spatial Queries in the Presence of Obstacles |
ADBIS
2001
Springer
13 years 11 months ago
2001
Springer
In this paper, the most appropriate buffer structure, page replacement policy and buffering scheme for closest pairs queries, where both spatial datasets are stored in R-trees, are...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...
ECCC
2010
13 years 5 months ago
2010
Locally testable codes, i.e., codes where membership in the code is testable with a constant number of queries, have played a central role in complexity theory. It is well known t...
HICSS
2002
IEEE
14 years 18 days ago
2002
IEEE
We present a novel system and methodology for browsing and exploring topics and concepts within a document collection. The process begins with the generation of multiple taxonomie...
W2GIS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. A review is provided of some database and representation issues involved in the implementation of geographic information systems (GIS). The increasing popularity of web-b...