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Joint Modeling Based on Multi-task Learning for Aspect Term Extraction and Sen-timent Classification [PDF]

open access: yesJisuanji kexue yu tansuo, 2023
Fine-grained aspect-based sentiment analysis involves aspect term extraction and aspect sentiment classi-fication. Most existing research methods address them in an independent fashion, which lack a mechanism to account for the relevant information ...
MENG Tiantian, HAN Hu, WU Yuanhang
doaj   +1 more source

A Sequence-to-Sequence Neural Network for Joint Aspect Term Extraction and Aspect Term Sentiment Classification Tasks

open access: goldProceedings of the 15th International Conference on Agents and Artificial Intelligence, 2023
Hasna Chouikhi   +2 more
openalex   +2 more sources

Enhancing Aspect Term Extraction with Soft Prototypes [PDF]

open access: yesProceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2020
Aspect term extraction (ATE) aims to extract aspect terms from a review sentence that users have expressed opinions on. Existing studies mostly focus on designing neural sequence taggers to extract linguistic features from the token level. However, since the aspect terms and context words usually exhibit long-tail distributions, these taggers often ...
Zhuang Chen, Tieyun Qian
openaire   +1 more source

Opinion Triplet Extraction for Aspect-Based Sentiment Analysis Using Co-Extraction Approach

open access: yesJournal of ICT, 2022
In aspect-based sentiment analysis, tasks are diverse and consist of aspect term extraction, aspect categorization, opinion term extraction, sentiment polarity classification, and relation extractions of aspect and opinion terms.
Rifo Ahmad Genadi   +1 more
doaj   +1 more source

Adaptive Local Context and Syntactic Feature Modeling for Aspect-Based Sentiment Analysis

open access: yesApplied Sciences, 2023
Aspect-based sentiment analysis is a fine-grained sentiment analysis task that consists of two types of subtasks: aspect term extraction and aspect sentiment classification. In the aspect term extraction task, current methods suffer from the lack of fine-
Jie Huang, Yunpeng Cui, Shuo Wang
doaj   +1 more source

A More Fine-Grained Aspect–Sentiment–Opinion Triplet Extraction Task

open access: yesMathematics, 2023
Sentiment analysis aims to systematically study affective states and subjective information in digital text through computational methods. Aspect Sentiment Triplet Extraction (ASTE), a subtask of sentiment analysis, aims to extract aspect term, sentiment
Yuncong Li, Fang Wang, Sheng-hua Zhong
doaj   +1 more source

A Method for Improving Performance of Opinion Targets Extraction by Evaluating Category Classification [PDF]

open access: yesJisuanji gongcheng, 2022
Opinion targets extraction is mainly used for text opinion mining to discover evaluation object entities in review texts.The algorithm based on an unsupervised autoencoder can identify hidden topic information in the review corpus without manual ...
CUI Weiqi, YAN Xin, TENG Lei, CHEN Wei, XU Guangyi
doaj   +1 more source

Soft prompt enhanced joint learning for cross-domain aspect-based sentiment analysis

open access: yesIntelligent Systems with Applications, 2023
Aspect term extraction is a fundamental task in fine-grained sentiment analysis, aiming to detect customer's opinion targets from reviews about products or services.
Jingli Shi   +4 more
doaj   +1 more source

IIM: an information interaction mechanism for aspect-based sentiment analysis

open access: yesConnection Science, 2023
Term polarity co-extraction is an aspect-based sentiment analysis task, which has been widely used in the fields of user opinions extraction. It consists of two subtasks: aspect term extraction and aspect sentiment classification.
Le Chen, Lina Ge, Wei Zhou
doaj   +1 more source

SmartTips: Online Products Recommendations System Based on Analyzing Customers Reviews

open access: yesApplied Sciences, 2022
Online customers’ opinions represent a significant resource for both customers and enterprises to extract much information that helps them make the right decision. Finding relevant data while searching the internet is a big challenge for web users, known
Noaman M. Ali   +3 more
doaj   +1 more source

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