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VLDB
1998
ACM
116views Database» more  VLDB 1998»
15 years 7 months ago
The Heterogeneity Problem and Middleware Technology: Experiences with and Performance of Database Gateways
In this paper, we present the results that we have obtained by comparing and testing three well-known database middleware solutions. We have analyzed their features related to glo...
Fernando de Ferreira Rezende, Klaudia Hergula
NIPS
2003
15 years 4 months ago
Feature Selection in Clustering Problems
A novel approach to combining clustering and feature selection is presented. It implements a wrapper strategy for feature selection, in the sense that the features are directly se...
Volker Roth, Tilman Lange
IJMSO
2006
77views more  IJMSO 2006»
15 years 3 months ago
Ontology based document annotation: trends and open research problems
: Metadata is used to describe documents and applications, improving information seeking and retrieval and its understanding and use. Metadata can be expressed in a wide variety of...
Óscar Corcho
SIAMSC
2010
142views more  SIAMSC 2010»
14 years 10 months ago
Efficient Spectral Sparse Grid Methods and Applications to High-Dimensional Elliptic Problems
Abstract. We develop in this paper some efficient algorithms which are essential to implementations of spectral methods on the sparse grid by Smolyak's construction based on a...
Jie Shen, Haijun Yu
134
Voted
IJHPCA
2010
105views more  IJHPCA 2010»
15 years 1 months ago
A Pipelined Algorithm for Large, Irregular All-Gather Problems
We describe and evaluate a new, pipelined algorithm for large, irregular all-gather problems. In the irregular all-gather problem each process in a set of processes contributes in...
Jesper Larsson Träff, Andreas Ripke, Christia...