Sciweavers

159 search results - page 19 / 32
» Architecture of a semantic data integration system based on ...
Sort
View
TGIS
2002
175views more  TGIS 2002»
13 years 7 months ago
Using Ontologies for Integrated Geographic Information Systems
Today, there is a huge amount of data gathered about the Earth, not only from new spatial information systems, but also from new and more sophisticated data collection technologie...
Frederico T. Fonseca, Max J. Egenhofer, Peggy Agou...
DBPL
1999
Springer
98views Database» more  DBPL 1999»
13 years 11 months ago
Ozone: Integrating Structured and Semistructured Data
Applications have an increasing need to manage semistructured data such as data encoded in XML along with conventional structured data. We extend the structured object database ...
Tirthankar Lahiri, Serge Abiteboul, Jennifer Widom
VLDB
2005
ACM
159views Database» more  VLDB 2005»
14 years 26 days ago
Temporal Management of RFID Data
RFID technology can be used to significantly improve the efficiency of business processes by providing the capability of automatic identification and data capture. This technol...
Fusheng Wang, Peiya Liu
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
13 years 7 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell
EDBTW
2004
Springer
14 years 24 days ago
Index-Based Keyword Search in Mediator Systems
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
Ingolf Geist