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CORR
2010
Springer
200views Education» more  CORR 2010»
14 years 9 months ago
A Multilevel Approach For Nonnegative Matrix Factorization
Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particul...
Nicolas Gillis, François Glineur
CORR
2010
Springer
173views Education» more  CORR 2010»
14 years 9 months ago
CONCISE: Compressed 'n' Composable Integer Set
Bit arrays, or bitmaps, are used to significantly speed up set operations in several areas, such as data warehousing, information retrieval, and data mining, to cite a few. Howeve...
Alessandro Colantonio, Roberto Di Pietro
ACMSE
2010
ACM
14 years 7 months ago
Visualization of the CreSIS Greenland data sets
The Center for Remote Sensing of Ice Sheets (CReSIS) has been compiling Greenland ice sheet thickness data since 1993. The airborne program utilizes a 150 MHz radar echo sounder to...
Shaketia L. McCoy, Michael Austin, Frensha Slaught...
GECCO
2007
Springer
163views Optimization» more  GECCO 2007»
15 years 3 months ago
Exploring medical data using visual spaces with genetic programming and implicit functional mappings
Two medical data sets (Breast cancer and Colon cancer) are investigated within a visual data mining paradigm through the unsupervised construction of virtual reality spaces using ...
Julio J. Valdés, Robert Orchard, Alan J. Ba...
SC
2009
ACM
15 years 2 months ago
Web 2.0-based social informatics data grid
The Social Informatics Data Grid (SIDGrid) is a new cyberinfrastructure designed to transform how social and behavioral scientists collect and annotate data, collaborate and share...
Wenjun Wu, Thomas D. Uram, Michael E. Papka