3456 search results - page 115 / 692 » Semantics in Spatial Databases |
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Publication
The wide spread of location-based services results in a strong market for location-detection devices (e.g., GPS-like devices, RFIDs, handheld devices, and cellular phones). Example...
DASFAA
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract. The present web is existing in the HTML and XML formats for persons to browse. Recently there is a trend towards the semantic web where the information can be can be proc...
GEOINFO
2007
13 years 9 months ago
2007
This paper describes a semantic approach for matching export schemas of geographical database Web services, based on the use of a small set of typical instances. The paper also con...
GIS
2010
ACM
13 years 5 months ago
2010
ACM
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...