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FTML
2010
159views more  FTML 2010»
13 years 6 months ago
Dimension Reduction: A Guided Tour
We give a tutorial overview of several geometric methods for dimension reduction. We divide the methods into projective methods and methods that model the manifold on which the da...
Christopher J. C. Burges
DOLAP
2008
ACM
13 years 9 months ago
Solving summarizability problems in fact-dimension relationships for multidimensional models
Multidimensional analysis allows decision makers to efficiently and effectively use data analysis tools, which mainly depend on multidimensional (MD) structures of a data warehous...
Jose-Norberto Mazón, Jens Lechtenbörge...
PODS
2002
ACM
167views Database» more  PODS 2002»
14 years 7 months ago
OLAP Dimension Constraints
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
Carlos A. Hurtado, Alberto O. Mendelzon
ECIS
2011
12 years 7 months ago
Path creation in the railroad industry: dimensions of design in it-enabled innovation
Taking a process research approach, we have followed a government agency in the railroad industry over a six-year-period as they have engaged in an IT-based innovation project. Pr...
Dick Stenmark
DOLAP
2009
ACM
14 years 2 months ago
LMDQL: link-based and multidimensional query language
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
Paulo Caetano da Silva, Fábio Santos Souza,...