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GIS
2007
ACM
14 years 10 months ago
TerraStream: from elevation data to watershed hierarchies
We consider the problem of extracting a river network and a watershed hierarchy from a terrain given as a set of irregularly spaced points. We describe TerraStream, a "pipeli...
Andrew Danner, Thomas Mølhave, Ke Yi, Panka...
SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
14 years 9 months ago
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
Vagelis Hristidis, Nick Koudas, Yannis Papakonstan...
ANSS
2008
IEEE
14 years 3 months ago
Simulation of Buffer Management Policies in Networks for Grids
Grid technologies are emerging as the next generation of distributed computing, allowing the aggregation of resources that are geographically distributed across different location...
Agustín C. Caminero, Anthony Sulistio, Blan...
CLEF
2005
Springer
14 years 2 months ago
UNED at iCLEF 2005: Automatic Highlighting of Potential Answers
In this paper, we describe UNED’s participation in the iCLEF 2005 track. We have compared two strategies for finding an answer using an interactive question answering system: i...
Víctor Peinado, Fernando López-Osten...
IJCNN
2000
IEEE
14 years 1 months ago
EM Algorithms for Self-Organizing Maps
eresting web-available abstracts and papers on clustering: An Analysis of Recent Work on Clustering Algorithms (1999), Daniel Fasulo : This paper describes four recent papers on cl...
Tom Heskes, Jan-Joost Spanjers, Wim Wiegerinck