Results 11 to 20 of about 2,214 (198)

Aspect Sentiment Triplet Extraction with Syntax-Semantics Graph Convolutional Network [PDF]

open access: goldInternational Journal of Computational Intelligence Systems
In the traditional task of aspect sentiment triplet extraction, existing approaches typically focus on either syntactic or semantic features independently, failing to leverage the complementary integration of these two types of information.
Jingyun Zhang   +3 more
doaj   +3 more sources

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   +2 more sources

Multi-feature Interaction for Aspect Sentiment Triplet Extraction [PDF]

open access: yesJisuanji kexue yu tansuo
Aspect sentiment triple extraction is one of the subtasks of aspect-level sentiment analysis, which aims to extract aspect terms, corresponding opinion terms and sentiment polarity in sentence.
CHEN Linying, LIU Jianhua, ZHENG Zhixiong, LIN Jie, XU Ge, SUN Shuihua
doaj   +2 more sources

Integration of Multi-Branch GCNs Enhancing Aspect Sentiment Triplet Extraction

open access: yesApplied Sciences, 2023
Aspect Sentiment Triplet Extraction (ASTE) is a complex and challenging task in Natural Language Processing (NLP). It aims to extract the triplet of aspect term, opinion term, and their associated sentiment polarity, which is a more fine-grained study in
Xuefeng Shi   +5 more
doaj   +2 more sources

FOAL: Fine-grained Contrastive Learning for Cross-domain Aspect Sentiment Triplet Extraction [PDF]

open access: green, 2023
Aspect Sentiment Triplet Extraction (ASTE) has achieved promising results while relying on sufficient annotation data in a specific domain. However, it is infeasible to annotate data for each individual domain.
Dai, Xinyu   +3 more
core   +2 more sources

Dual Encoder: Exploiting the Potential of Syntactic and Semantic for Aspect Sentiment Triplet Extraction [PDF]

open access: green
Aspect Sentiment Triple Extraction (ASTE) is an emerging task in fine-grained sentiment analysis. Recent studies have employed Graph Neural Networks (GNN) to model the syntax-semantic relationships inherent in triplet elements.
Xu, Xiujuan, Zhao, Xiaowei, Zhou, Yong
core   +2 more sources

Learning Span-Level Interactions for Aspect Sentiment Triplet Extraction [PDF]

open access: greenProceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers), 2021
ACL 2021, long paper, main ...
Lu Xu, Yew Ken Chia, Lidong Bing
  +6 more sources

Semantic and Syntactic Enhanced Aspect Sentiment Triplet Extraction [PDF]

open access: greenFindings of the Association for Computational Linguistics: ACL-IJCNLP 2021, 2021
Aspect Sentiment Triplet Extraction (ASTE) aims to extract triplets from sentences, where each triplet includes an entity, its associated sentiment, and the opinion span explaining the reason for the sentiment.Most existing research addresses this problem in a multi-stage pipeline manner, which neglects the mutual information between such three ...
Zhexue Chen   +4 more
  +6 more sources

Position-Aware Tagging for Aspect Sentiment Triplet Extraction [PDF]

open access: goldProceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2020
15 pages, 10 figures, accepted by EMNLP ...
Lu Xu, Hao Li, Wei Lu, Lidong Bing
openalex   +3 more sources

Aspect-Sentiment-Multiple-Opinion Triplet Extraction [PDF]

open access: green, 2021
NLPCC ...
Fang Wang   +4 more
openalex   +4 more sources

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