Abstract
Nowadays word embeddings, also known as word vectors, play an important role for many NLP tasks. In general, these word representations are learned from an unannotated corpus and they are independent from their applications. In this paper we aim to enrich the word vectors by adding more information derived from an application of them which is the aspect based sentiment analysis. We propose a new model using a combination of unsupervised and supervised techniques to capture the three kinds of information, including the general semantic distributed representation (i.e. the conventional word embeddings), and the aspect category and aspect sentiment from labeled and unlabeled data. We conduct experiments on the restaurant review data (http://spidr-ursa.rutgers.edu/datasets/). Experimental results show that our proposed model outperforms other methods as Word2Vec and GloVe.
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Acknowledgement
This paper is supported by The Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 102.01-2014.22.
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Pham, DH., Le, AC., Le, TKC. (2018). Learning Word Embeddings for Aspect-Based Sentiment Analysis. In: Hasida, K., Pa, W. (eds) Computational Linguistics. PACLING 2017. Communications in Computer and Information Science, vol 781. Springer, Singapore. https://doi.org/10.1007/978-981-10-8438-6_3
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DOI: https://doi.org/10.1007/978-981-10-8438-6_3
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