Research on manifold nonnegative matrix decomposition algorithm for weakly supervised text classification

Weiqiang Xiao; Xiaoli Chai; Danmo Zhang

doi:10.1117/12.2667485

1 March 2023 Research on manifold nonnegative matrix decomposition algorithm for weakly supervised text classification

Weiqiang Xiao, Xiaoli Chai, Danmo Zhang

Proceedings Volume 12588, International Conference on Artificial Intelligence, Virtual Reality, and Visualization (AIVRV 2022); 125881A (2023) https://doi.org/10.1117/12.2667485
Event: International Conference on Artificial Intelligence, Virtual Reality, and Visualization (AIVRV 2022), 2022, Chongqing, China

Abstract

Traditional text classifiers that rely on supervised learning methods always require a large number of labeled documents. Labeling the documents often requires a certain amount of expertise to ensure the accuracy, which is time-consuming and costly. Therefore, a dataless text classifcation method around a small number of easily accessible label descriptions, ie, seed words,rather than surrounding the labeled documents to provide the supervision information for the classification task, shows a good development prospect. However, since the size of the seed word set is much smaller than the word set contained in the document , many documents do not contain any seed words or even contain some irrelevant seed words, which limits the effect of the seed word supervision. The manifold assumption suggests that highly similar texts tend to belong to the same category, so we maintain a local neighborhood structure for each document and construct a manifold regularizer to spread limited the supervised information between similar documents. We propose a Laplacian Nonnegative Matrix Factorization (LapNMF) method，adding the seed word prior information and document manifold into the framework of non-negative matrix factorization. And use the block corrdinate desent method to solve the problem. Experiments show that in most cases, our LapNMF performs better than the current weakly supervised classification methods, showing certain competitiveness.

Citation Download Citation

Weiqiang Xiao, Xiaoli Chai, and Danmo Zhang "Research on manifold nonnegative matrix decomposition algorithm for weakly supervised text classification", Proc. SPIE 12588, International Conference on Artificial Intelligence, Virtual Reality, and Visualization (AIVRV 2022), 125881A (1 March 2023); https://doi.org/10.1117/12.2667485

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KEYWORDS

Data modeling

Education and training

Electronics

Performance modeling

Prior knowledge

Scanning tunneling microscopy

Machine learning

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