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ICASSP
2008
IEEE
14 years 4 months ago
A GIS-like training algorithm for log-linear models with hidden variables
Conditional Random Fields (CRFs) are often estimated using an entropy based criterion in combination with Generalized Iterative Scaling (GIS). GIS offers, upon others, the immedi...
Georg Heigold, Thomas Deselaers, Ralf Schlüte...
GIS
2002
ACM
13 years 9 months ago
Handling semantic heterogeneities using declarative agreements
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
Isabel F. Cruz, Afsheen Rajendran, William Sunna, ...
ENVSOFT
2006
84views more  ENVSOFT 2006»
13 years 9 months ago
Modeling the fate of down-the-drain chemicals in rivers: An improved software for GREAT-ER
GREAT-ER (Geography-referenced Regional Exposure Assessment Tool for European Rivers) is a model system for predicting chemical fate and exposure in surface waters. The GREAT-ER a...
F. Koormann, J. Rominger, D. Schowanek, J.-O. Wagn...
GEOINFO
2007
13 years 11 months ago
A Service-Oriented Architecture for Progressive Transmission of Maps
The Internet creates an environment suitable to spatial data share, allowing the users to transmit, visualize, manipulate and interact with them. This environment not only allows n...
David Cavassana Costa, Mario Meireles Teixeira, An...
GIS
2000
ACM
14 years 1 months ago
A high-performance Web-based system design for spatial data accesses
With the increasing use of geographical data in real-world applications, Geographic Information Systems (GISs) have recently emerged as a fruitful area for research. Nowadays, a G...
Shu-Ching Chen, Xinran Wang, Naphtali Rishe, Mark ...