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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 30 / No. 1: Thirtieth AAAI Conference On Artificial Intelligence

Scalable Completion of Nonnegative Matrix with Separable Structure

March 8, 2023

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Authors

Xiyu Yu

University of Technology, Sydney


Wei Bian

University of Technology, Sydney


Dacheng Tao

University of Technology, Sydney


DOI:

10.1609/aaai.v30i1.10193


Abstract:

Matrix completion is to recover missing/unobserved values of a data matrix from very limited observations. Due to widely potential applications, it has received growing interests in fields from machine learning, data mining, to collaborative filtering and computer vision. To ensure the successful recovery of missing values, most existing matrix completion algorithms utilise the low-rank assumption, i.e., the fully observed data matrix has a low rank, or equivalently the columns of the matrix can be linearly represented by a few numbers of basis vectors. Although such low-rank assumption applies generally in practice, real-world data can process much richer structural information. In this paper, we present a new model for matrix completion, motivated by the separability assumption of nonnegative matrices from the recent literature of matrix factorisations: there exists a set of columns of the matrix such that the resting columns can be represented by their convex combinations. Given the separability property, which holds reasonably for many applications, our model provides a more accurate matrix completion than the low-rank based algorithms. Further, we derives a scalable algorithm to solve our matrix completion model, which utilises a randomised method to select the basis columns under the separability assumption and a coordinate gradient based method to automatically deal with the structural constraints in optimisation. Compared to the state-of-the-art algorithms, the proposed matrix completion model achieves competitive results on both synthetic and real datasets.

Topics: AAAI

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HOW TO CITE:

Xiyu Yu|| Wei Bian|| Dacheng Tao Scalable Completion of Nonnegative Matrix with Separable Structure Proceedings of the AAAI Conference on Artificial Intelligence, 30 (2016) .

Xiyu Yu|| Wei Bian|| Dacheng Tao Scalable Completion of Nonnegative Matrix with Separable Structure AAAI 2016, .

Xiyu Yu|| Wei Bian|| Dacheng Tao (2016). Scalable Completion of Nonnegative Matrix with Separable Structure. Proceedings of the AAAI Conference on Artificial Intelligence, 30, .

Xiyu Yu|| Wei Bian|| Dacheng Tao. Scalable Completion of Nonnegative Matrix with Separable Structure. Proceedings of the AAAI Conference on Artificial Intelligence, 30 2016 p..

Xiyu Yu|| Wei Bian|| Dacheng Tao. 2016. Scalable Completion of Nonnegative Matrix with Separable Structure. "Proceedings of the AAAI Conference on Artificial Intelligence, 30". .

Xiyu Yu|| Wei Bian|| Dacheng Tao. (2016) "Scalable Completion of Nonnegative Matrix with Separable Structure", Proceedings of the AAAI Conference on Artificial Intelligence, 30, p.

Xiyu Yu|| Wei Bian|| Dacheng Tao, "Scalable Completion of Nonnegative Matrix with Separable Structure", AAAI, p., 2016.

Xiyu Yu|| Wei Bian|| Dacheng Tao. "Scalable Completion of Nonnegative Matrix with Separable Structure". Proceedings of the AAAI Conference on Artificial Intelligence, 30, 2016, p..

Xiyu Yu|| Wei Bian|| Dacheng Tao. "Scalable Completion of Nonnegative Matrix with Separable Structure". Proceedings of the AAAI Conference on Artificial Intelligence, 30, (2016): .

Xiyu Yu|| Wei Bian|| Dacheng Tao. Scalable Completion of Nonnegative Matrix with Separable Structure. AAAI[Internet]. 2016[cited 2023]; .


ISSN: 2374-3468


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