Empirical Evaluation of Four Tensor Decomposition Algorithms

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DOIResolve DOI: http://doi.org/10.4224/8914200
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TypeTechnical Report
AbstractHigher-order tensor decompositions are analogous to the familiar Singular Value Decomposition(SVD), but they transcend the limitations of matrices (second-order tensors). SVD is a powerful tool that has achieved impressive results in information retrieval, collaborative filtering, computational linguistics, computational vision, and other fields. However, SVD is limited to two-dimensional arrays of data (two modes), and many potential applications have three or more modes, which require higher-order tensor decompositions. This paper evaluates four algorithms for higher-order tensor decomposition: Higher-Order Singular Value Decomposition (HO-SVD), Higher-Order Orthogonal Iteration (HOOI), Slice Projection (SP), and Multislice Projection (MP). We measure the time (elapsed run time), space (RAM and disk space requirements), and fit (tensor reconstruction accuracy) of the four algorithms, under a variety of conditions. We find that standard implementations of HO-SVD and HOOI do not scale up to larger tensors, due to increasing RAM requirements. We recommend HOOI for tensors that are small enough for the available RAM and MP for larger tensors.
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AffiliationNRC Institute for Information Technology; National Research Council Canada
Peer reviewedNo
NRC number49877
NPARC number8914200
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Record identifiercec52f79-4832-4d46-9142-e68b71a777e9
Record created2009-04-22
Record modified2016-10-03
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