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Using underapproximations for sparse nonnegative matrix factorization

Bibliographic reference Gillis, Nicolas ; Glineur, François. Using underapproximations for sparse nonnegative matrix factorization. In: Pattern recognition, Vol. 43, no. 4, p. 1676-1687 (Avril 2010)
Permanent URL http://hdl.handle.net/2078.1/29700