نتایج جستجو برای: positive matrix factorization
تعداد نتایج: 1014037 فیلتر نتایج به سال:
We study the problem of constructing explicit families matrices which cannot be expressed as a product few sparse matrices. In addition to being natural mathematical question on its own, this appears in various incarnations computer science; most significant context lower bounds for algebraic circuits compute linear transformations, matrix rigidity and data structure bounds. first show, every c...
In non-negative matrix factorization, it is difficult to find the optimal non-negative factor matrix in each iterative update. However, with the help of transformation matrix, it is able to derive the optimal non-negative factor matrix for the transformed cost function. Transformation matrix based nonnegative matrix factorization method is proposed and analyzed. It shows that this new method, w...
Many real-world domains are relational in nature, consisting of a set of objects related to each other in complex ways. Matrix factorization is an effective method in relationship prediction, However, traditional matrix factorization link prediction methods can only be used for non-negative matrix. In this paper, a generalized framework, itelliPrediction, is presented that is able to deal with ...
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