383 search results - page 27 / 77 » OLAP Dimension Constraints |
102
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DKE
2002
14 years 11 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
ADVCS
2010
14 years 12 months ago
2010
This paper reports the results of a multi-agent simulation designed to study the emergence and evolution of symbolic communication. The novelty of this model is that it considers s...
JCP
2008
14 years 11 months ago
2008
-In this paper a nonlinear programming approach is used for the minimization of total communication cost to determine the optimum room dimensions for each room. The nonlinear progr...
ER
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
102
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IJON
2008
14 years 12 months ago
2008
This paper proposed a kind of unsupervised learning neural network model, which has special structure and can realize an evaluation and classification of many groups by the compres...