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DOI: 10.14569/IJACSA.2021.0120738
PDF

A Similarity Score Model for Aspect Category Detection

Author 1: Zohreh Madhoushi
Author 2: Abdul Razak Hamdan
Author 3: Suhaila Zainudin

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 7, 2021.

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Abstract: Aspect-based Sentiment Analysis (ABSA) aims to extract significant aspects of an item or product from reviews and predict the sentiment of each aspect. Previous similarity methods tend to extract aspect categories at the word level by combining Language Models (LM) in their models. A drawback for the LM model is its dependence on a large amount of labelled data for a specific domain to function well. This work proposes a mechanism to address labelled data dependency by a one-step approach experimenting to decide the best combinatory architectures of recurrent-based LM and the best semantic similarity measures for fostering a new aspect category detection model. The proposed model addresses drawbacks of previous aspect category detection models in an implicit manner. The datasets of this study, S1 and S2, are from standard SemEval online competition. The proposed model outperforms the previous baseline models in terms of the F1-score of aspect category detection. This study finds more relevant aspect categories by creating a more stable and robust model. The F1 score of our best model for aspect category detection is 79.03% in the restaurant domain for the S1 dataset. In dataset S2, the F1-score is 72.65% in the laptop domain and 75.11% in the restaurant domain.

Keywords: Aspect category detection; language model; semantic similarity

Zohreh Madhoushi, Abdul Razak Hamdan and Suhaila Zainudin, “A Similarity Score Model for Aspect Category Detection” International Journal of Advanced Computer Science and Applications(IJACSA), 12(7), 2021. http://dx.doi.org/10.14569/IJACSA.2021.0120738

@article{Madhoushi2021,
title = {A Similarity Score Model for Aspect Category Detection},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2021.0120738},
url = {http://dx.doi.org/10.14569/IJACSA.2021.0120738},
year = {2021},
publisher = {The Science and Information Organization},
volume = {12},
number = {7},
author = {Zohreh Madhoushi and Abdul Razak Hamdan and Suhaila Zainudin}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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