Sciweavers

1344 search results - page 19 / 269
» Spatial Data Query Support in Peer-to-Peer Systems
Sort
View
SSD
1999
Springer
105views Database» more  SSD 1999»
15 years 1 months ago
Requirements of Traffic Telematics to Spatial Databases
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...
Thomas Brinkhoff
SOFTWARE
1998
14 years 9 months ago
A New Way to Query GISs on the Web
BMS organizes information in abstract name spaces and lets users refer to thedatathroughtheirvalues,whileaspatialDBMSorganizesinformationinconcrete 2D geometric spaces and lets use...
Serena Coetzee, Judith Bishop
ICCSA
2009
Springer
15 years 4 months ago
Designing Data Warehouses for Geographic OLAP Querying by Using MDA
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
Octavio Glorio, Juan Trujillo
EDBTW
2004
Springer
15 years 3 months ago
Data Sharing and Querying for Peer-to-Peer Data Management Systems
In this work, we investigate mechanisms to support data sharing and querying in a peer-to-peer data management system, that is, a peer-to-peer system where each peer manages its ow...
Anastasios Kementsietsidis
OTM
2005
Springer
15 years 3 months ago
Ontology-Based Spatial Query Expansion in Information Retrieval
Ontologies play a key role in Semantic Web research. A common use of ontologies in Semantic Web is to enrich the current Web resources with some well-defined meaning to enhance th...
Gaihua Fu, Christopher B. Jones, Alia I. Abdelmoty