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» Temporal query operators in XML databases
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GIS
2004
ACM
14 years 6 months ago
Spatio-temporal aggregates over raster image data
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
Jie Zhang, Michael Gertz, Demet Aksoy
CORR
2006
Springer
154views Education» more  CORR 2006»
13 years 5 months ago
Intra-site Level Cultural Heritage Documentation: Combination of Survey, Modeling and Imagery Data in a Web Information System
Cultural heritage documentation induces the use of computerized techniques to manage and preserve the information produced. Geographical information systems have proved their pote...
Anne Durand, Pierre Drap, Elise Meyer, Pierre Grus...
SSDBM
2006
IEEE
139views Database» more  SSDBM 2006»
13 years 11 months ago
Sampling Trajectory Streams with Spatiotemporal Criteria
Monitoring movement of high-dimensional points is essential for environmental databases, geospatial applications, and biodiversity informatics as it reveals crucial information ab...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...
VLDB
2002
ACM
154views Database» more  VLDB 2002»
13 years 4 months ago
I/O-Conscious Data Preparation for Large-Scale Web Search Engines
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
Maxim Lifantsev, Tzi-cker Chiueh
COSIT
1997
Springer
115views GIS» more  COSIT 1997»
13 years 9 months ago
Qualitative Representation of Change
Current geographic information systems (GISs) have been designed for querying and maintaining static databases representing static phenomena and give little support to those users ...
Kathleen Hornsby, Max J. Egenhofer