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Lexicon information and pre-trained models, such as BERT, have been combined to explore Chinese sequence labelling tasks due to their respective strengths. However, existing methods solely fuse lexicon features via a shallow and random…

Computation and Language · Computer Science 2021-12-28 Wei Liu , Xiyan Fu , Yue Zhang , Wenming Xiao

Fine-tuned Bidirectional Encoder Representations from Transformers (BERT)-based sequence classification models have proven to be effective for detecting Alzheimer's Disease (AD) from transcripts of human speech. However, previous research…

Computation and Language · Computer Science 2020-11-13 Aparna Balagopalan , Jekaterina Novikova

Although syntactic information is beneficial for many NLP tasks, combining it with contextual information between words to solve the coreference resolution problem needs to be further explored. In this paper, we propose an end-to-end parser…

Computation and Language · Computer Science 2023-09-12 Yuan Meng , Xuhao Pan , Jun Chang , Yue Wang

The aspect-based sentiment analysis (ABSA) task remains to be a long-standing challenge, which aims to extract the aspect term and then identify its sentiment orientation.In previous approaches, the explicit syntactic structure of a…

Computation and Language · Computer Science 2020-04-07 Yunlong Liang , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

Measuring the quality of a generated sequence against a set of references is a central problem in many learning frameworks, be it to compute a score, to assign a reward, or to perform discrimination. Despite great advances in model…

Machine Learning · Computer Science 2020-03-06 Florian Schmidt , Thomas Hofmann

We propose a novel data augmentation method for labeled sentences called conditional BERT contextual augmentation. Data augmentation methods are often applied to prevent overfitting and improve generalization of deep neural network models.…

Computation and Language · Computer Science 2018-12-18 Xing Wu , Shangwen Lv , Liangjun Zang , Jizhong Han , Songlin Hu

Emotion recognition in conversation (ERC) has received increasing attention from researchers due to its wide range of applications.As conversation has a natural graph structure,numerous approaches used to model ERC based on graph…

Artificial Intelligence · Computer Science 2023-09-01 Lin Yuan , Guoheng Huang , Fenghuan Li , Xiaochen Yuan , Chi-Man Pun , Guo Zhong

We present a novel approach to end-to-end automatic speech recognition (ASR) that utilizes pre-trained masked language models (LMs) to facilitate the extraction of linguistic information. The proposed models, BERT-CTC and BECTRA, are…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-02 Yosuke Higuchi , Tetsuji Ogawa , Tetsunori Kobayashi , Shinji Watanabe

Aspect-based sentiment analysis (ABSA) aims to predict the sentiment expressed in a review with respect to a given aspect. The core of ABSA is to model the interaction between the context and given aspect to extract the aspect-related…

Computation and Language · Computer Science 2022-04-22 Bowen Xing , Ivor W. Tsang

This paper presents BERT-CTC, a novel formulation of end-to-end speech recognition that adapts BERT for connectionist temporal classification (CTC). Our formulation relaxes the conditional independence assumptions used in conventional CTC…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-21 Yosuke Higuchi , Brian Yan , Siddhant Arora , Tetsuji Ogawa , Tetsunori Kobayashi , Shinji Watanabe

Previous graph-based approaches in Aspect based Sentiment Analysis(ABSA) have demonstrated impressive performance by utilizing graph neural networks and attention mechanisms to learn structures of static dependency trees and dynamic latent…

Computation and Language · Computer Science 2024-06-10 Bingfeng Chen , Qihan Ouyang , Yongqi Luo , Boyan Xu , Ruichu Cai , Zhifeng Hao

Aspect-based sentiment analysis(ABSA) is a textual analysis methodology that defines the polarity of opinions on certain aspects related to specific targets. The majority of research on ABSA is in English, with a small amount of work…

Computation and Language · Computer Science 2023-03-13 Mohammed M. Abdelgwad , Taysir Hassan A Soliman , Ahmed I. Taloba

Social media platforms like Twitter have increasingly relied on Natural Language Processing NLP techniques to analyze and understand the sentiments expressed in the user generated content. One such state of the art NLP model is…

Computation and Language · Computer Science 2025-04-03 Akil Raj Subedi , Taniya Shah , Aswani Kumar Cherukuri , Thanos Vasilakos

Aspect-based sentiment analysis (ABSA), which aims to identify fine-grained opinion polarity towards a specific aspect, is a challenging subtask of sentiment analysis (SA). In this paper, we construct an auxiliary sentence from the aspect…

Computation and Language · Computer Science 2019-03-25 Chi Sun , Luyao Huang , Xipeng Qiu

Most existing named entity recognition (NER) approaches are based on sequence labeling models, which focus on capturing the local context dependencies. However, the way of taking one sentence as input prevents the modeling of non-sequential…

Computation and Language · Computer Science 2021-06-03 Zanbo Wang , Wei Wei , Xianling Mao , Shanshan Feng , Pan Zhou , Zhiyong He , Sheng Jiang

The recently proposed BERT has shown great power on a variety of natural language understanding tasks, such as text classification, reading comprehension, etc. However, how to effectively apply BERT to neural machine translation (NMT) lacks…

Computation and Language · Computer Science 2020-02-18 Jinhua Zhu , Yingce Xia , Lijun Wu , Di He , Tao Qin , Wengang Zhou , Houqiang Li , Tie-Yan Liu

With the growth of textual data across online platforms, sentiment analysis has become crucial for extracting insights from user-generated content. While traditional approaches and deep learning models have shown promise, they cannot often…

Computation and Language · Computer Science 2024-04-23 Asal Khosravi , Zahed Rahmati , Ali Vefghi

This study investigates how BERT processes and represents Argument Structure Constructions (ASCs), extending previous LSTM analyses. Using a dataset of 2000 sentences across four ASC types (transitive, ditransitive, caused-motion,…

Computation and Language · Computer Science 2024-08-09 Pegah Ramezani , Achim Schilling , Patrick Krauss

Aspect-level sentiment analysis aims to determine the sentiment polarity towards a specific target in a sentence. The main challenge of this task is to effectively model the relation between targets and sentiments so as to filter out noisy…

Computation and Language · Computer Science 2022-11-08 Lvxiaowei Xu , Xiaoxuan Pang , Jianwang Wu , Ming Cai , Jiawei Peng

The World Wide Web holds a wealth of information in the form of unstructured texts such as customer reviews for products, events and more. By extracting and analyzing the expressed opinions in customer reviews in a fine-grained way,…

Computation and Language · Computer Science 2017-09-20 Soufian Jebbara , Philipp Cimiano
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