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Prior work has shown that, on small amounts of training data, syntactic neural language models learn structurally sensitive generalisations more successfully than sequential language models. However, their computational complexity renders…

Computation and Language · Computer Science 2019-06-18 Adhiguna Kuncoro , Chris Dyer , Laura Rimell , Stephen Clark , Phil Blunsom

How much knowledge do pretrained language models hold? Recent research observed that pretrained transformers are adept at modeling semantics but it is unclear to what degree they grasp human knowledge, or how to ensure they do so. In this…

Computation and Language · Computer Science 2021-02-05 Corby Rosset , Chenyan Xiong , Minh Phan , Xia Song , Paul Bennett , Saurabh Tiwary

With the advent of deep learning methods, Neural Machine Translation (NMT) systems have become increasingly powerful. However, deep learning based systems are susceptible to adversarial attacks, where imperceptible changes to the input can…

Computation and Language · Computer Science 2023-06-27 Vyas Raina , Mark Gales

Most of the existing pre-trained language representation models neglect to consider the linguistic knowledge of texts, which can promote language understanding in NLP tasks. To benefit the downstream tasks in sentiment analysis, we propose…

Computation and Language · Computer Science 2020-09-25 Pei Ke , Haozhe Ji , Siyang Liu , Xiaoyan Zhu , Minlie Huang

Cross-domain sentiment analysis aims to predict the sentiment of texts in the target domain using the model trained on the source domain to cope with the scarcity of labeled data. Previous studies are mostly cross-entropy-based methods for…

Computation and Language · Computer Science 2022-08-19 Yun Luo , Fang Guo , Zihan Liu , Yue Zhang

Despite the remarkable progress made in synthesizing emotional speech from text, it is still challenging to provide emotion information to existing speech segments. Previous methods mainly rely on parallel data, and few works have studied…

Sound · Computer Science 2020-03-06 Xiaoqi Jia , Jianwei Tai , Hang Zhou , Yakai Li , Weijuan Zhang , Haichao Du , Qingjia Huang

In recent years great success has been achieved in sentiment classification for English, thanks in part to the availability of copious annotated resources. Unfortunately, most languages do not enjoy such an abundance of labeled data. To…

Computation and Language · Computer Science 2018-08-21 Xilun Chen , Yu Sun , Ben Athiwaratkun , Claire Cardie , Kilian Weinberger

Sentiment analysis in low-resource languages suffers from a lack of annotated corpora to estimate high-performing models. Machine translation and bilingual word embeddings provide some relief through cross-lingual sentiment approaches.…

Computation and Language · Computer Science 2018-05-24 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde

Structured sentiment analysis attempts to extract full opinion tuples from a text, but over time this task has been subdivided into smaller and smaller sub-tasks, e,g,, target extraction or targeted polarity classification. We argue that…

Computation and Language · Computer Science 2021-06-01 Jeremy Barnes , Robin Kurtz , Stephan Oepen , Lilja Øvrelid , Erik Velldal

Word embeddings have been widely used in sentiment classification because of their efficacy for semantic representations of words. Given reviews from different domains, some existing methods for word embeddings exploit sentiment…

Computation and Language · Computer Science 2018-05-11 Bei Shi , Zihao Fu , Lidong Bing , Wai Lam

Financial sentiment analysis allows financial institutions like Banks and Insurance Companies to better manage the credit scoring of their customers in a better way. Financial domain uses specialized mechanisms which makes sentiment…

Computation and Language · Computer Science 2024-05-06 Tohida Rehman , Raghubir Bose , Samiran Chattopadhyay , Debarshi Kumar Sanyal

Deep neural networks for machine comprehension typically utilizes only word or character embeddings without explicitly taking advantage of structured linguistic information such as constituency trees and dependency trees. In this paper, we…

Computation and Language · Computer Science 2017-09-04 Rui Liu , Junjie Hu , Wei Wei , Zi Yang , Eric Nyberg

Commonsense knowledge is paramount to enable intelligent systems. Typically, it is characterized as being implicit and ambiguous, hindering thereby the automation of its acquisition. To address these challenges, this paper presents…

Artificial Intelligence · Computer Science 2018-09-28 Ikhlas Alhussien , Erik Cambria , Zhang NengSheng

We propose SentiBERT, a variant of BERT that effectively captures compositional sentiment semantics. The model incorporates contextualized representation with binary constituency parse tree to capture semantic composition. Comprehensive…

Computation and Language · Computer Science 2020-05-22 Da Yin , Tao Meng , Kai-Wei Chang

Sentiment analysis is known as one of the most crucial tasks in the field of natural language processing and Convolutional Neural Network (CNN) is one of those prominent models that is commonly used for this aim. Although convolutional…

Computation and Language · Computer Science 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

We introduce a tree-structured attention neural network for sentences and small phrases and apply it to the problem of sentiment classification. Our model expands the current recursive models by incorporating structural information around a…

Computation and Language · Computer Science 2017-01-10 Filippos Kokkinos , Alexandros Potamianos

Semantic communication is a novel communication paradigm that focuses on recognizing and delivering the desired meaning of messages to the destination users. Most existing works in this area focus on delivering explicit semantics, labels or…

Machine Learning · Computer Science 2023-01-30 Zhimin Lu , Yong Xiao , Zijian Sun , Yingyu Li , Guangming Shi , Xianfu Chen , Mehdi Bennis , H. Vincent Poor

Neural sequence models have achieved great success in sentence-level sentiment classification. However, some models are exceptionally complex or based on expensive features. Some other models recognize the value of existed linguistic…

Computation and Language · Computer Science 2019-10-21 Yan Zeng , Yangyang Lan , Yazhou Hao , Chen Li , Qinhua Zheng

With the advent of word embeddings, lexicons are no longer fully utilized for sentiment analysis although they still provide important features in the traditional setting. This paper introduces a novel approach to sentiment analysis that…

Computation and Language · Computer Science 2017-08-24 Bonggun Shin , Timothy Lee , Jinho D. Choi

Sentiment Analysis typically refers to using natural language processing, text analysis and computational linguistics to extract affect and emotion based information from text data. Our work explores how we can effectively use deep neural…

Computation and Language · Computer Science 2022-02-14 Shahrukh Khan , Mahnoor Shahid