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相关论文: Negation Triplet Extraction with Syntactic Depende…

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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…

计算与语言 · 计算机科学 2021-06-08 Zhexue Chen , Hong Huang , Bang Liu , Xuanhua Shi , Hai Jin

Aspect Sentiment Triplet Extraction (ASTE) is an emerging task to extract a given sentence's triplets, which consist of aspects, opinions, and sentiments. Recent studies tend to address this task with a table-filling paradigm, wherein word…

计算与语言 · 计算机科学 2023-12-27 Kun Peng , Lei Jiang , Hao Peng , Rui Liu , Zhengtao Yu , Jiaqian Ren , Zhifeng Hao , Philip S. Yu

Aspect Sentiment Triplet Extraction (ASTE) has become an emerging task in sentiment analysis research, aiming to extract triplets of the aspect term, its corresponding opinion term, and its associated sentiment polarity from a given…

计算与语言 · 计算机科学 2023-04-11 Shuo Liang , Wei Wei , Xian-Ling Mao , Yuanyuan Fu , Rui Fang , Dangyang Chen

Aspect Sentiment Triplet Extraction (ASTE) is a new fine-grained sentiment analysis task that aims to extract triplets of aspect terms, sentiments, and opinion terms from review sentences. Recently, span-level models achieve gratifying…

计算与语言 · 计算机科学 2022-11-11 Yuqi Chen , Keming Chen , Xian Sun , Zequn Zhang

Aspect Sentiment Triplet Extraction (ASTE) aims to recognize targets, their sentiment polarities and opinions explaining the sentiment from a sentence. ASTE could be naturally divided into 3 atom subtasks, namely target detection, opinion…

计算与语言 · 计算机科学 2021-11-18 Peiyi Wang , Tianyu Liu , Damai Dai , Runxin Xu , Baobao Chang , Zhifang Sui

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. However,…

计算与语言 · 计算机科学 2024-02-26 Xiaowei Zhao , Yong Zhou , Xiujuan Xu

Negation is an important characteristic of language, and a major component of information extraction from text. This subtask is of considerable importance to the biomedical domain. Over the years, multiple approaches have been explored to…

计算与语言 · 计算机科学 2020-05-26 Aditya Khandelwal , Suraj Sawant

Lexical chain consists of cohesion words in a document, which implies the underlying structure of a text, and thus facilitates downstream NLP tasks. Nevertheless, existing work focuses on detecting the simple surface lexicons with shallow…

计算与语言 · 计算机科学 2020-09-22 Bobo Li , Hao Fei , Yafeng Ren , Donghong Ji

Aspect Sentiment Triplet Extraction (ASTE) is the task of extracting the triplets of target entities, their associated sentiment, and opinion spans explaining the reason for the sentiment. Existing research efforts mostly solve this problem…

计算与语言 · 计算机科学 2021-03-10 Lu Xu , Hao Li , Wei Lu , Lidong Bing

Conversational systems often rely on embedding models for intent classification and intent clustering tasks. The advent of Large Language Models (LLMs), which enable instructional embeddings allowing one to adjust semantics over the…

计算与语言 · 计算机科学 2024-03-08 Yuwei Zhang , Siffi Singh , Sailik Sengupta , Igor Shalyminov , Hang Su , Hwanjun Song , Saab Mansour

In this paper, we revisit the task of negation resolution, which includes the subtasks of cue detection (e.g. "not", "never") and scope resolution. In the context of previous shared tasks, a variety of evaluation metrics have been proposed.…

计算与语言 · 计算机科学 2021-09-22 Elizaveta Sineva , Stefan Grünewald , Annemarie Friedrich , Jonas Kuhn

Aspect Sentiment Triplet Extraction (ASTE) deals with extracting opinion triplets, consisting of an opinion target or aspect, its associated sentiment, and the corresponding opinion term/span explaining the rationale behind the sentiment.…

计算与语言 · 计算机科学 2021-10-12 Rajdeep Mukherjee , Tapas Nayak , Yash Butala , Sourangshu Bhattacharya , Pawan Goyal

This paper describes the resource- and system-building efforts of an eight-week Johns Hopkins University Human Language Technology Center of Excellence Summer Camp for Applied Language Exploration (SCALE-2009) on Semantically-Informed…

Triple extraction is an essential task in information extraction for natural language processing and knowledge graph construction. In this paper, we revisit the end-to-end triple extraction task for sequence generation. Since generative…

计算与语言 · 计算机科学 2023-01-26 Hongbin Ye , Ningyu Zhang , Shumin Deng , Mosha Chen , Chuanqi Tan , Fei Huang , Huajun Chen

Relational Triple Extraction (RTE) is a fundamental task in Natural Language Processing (NLP). However, prior research has primarily focused on optimizing model performance, with limited efforts to understand the internal mechanisms driving…

计算与语言 · 计算机科学 2025-07-04 Xue Wen Tan , Stanley Kok

The majority of work in targeted sentiment analysis has concentrated on finding better methods to improve the overall results. Within this paper we show that these models are not robust to linguistic phenomena, specifically negation and…

计算与语言 · 计算机科学 2021-04-01 Andrew Moore , Jeremy Barnes

Task-oriented semantic communication has gained increasing attention due to its ability to reduce the amount of transmitted data without sacrificing task performance. Although some prior efforts have been dedicated to developing semantic…

信号处理 · 电气工程与系统科学 2024-05-20 Chuanhong Liu , Caili Guo , Yang Yang , Wanli Ni , Yanquan Zhou , Lei Li , Tony Q. S. Quek

Existing works on Aspect Sentiment Triplet Extraction (ASTE) explicitly focus on developing more efficient fine-tuning techniques for the task. Instead, our motivation is to come up with a generic approach that can improve the downstream…

计算与语言 · 计算机科学 2023-10-25 Rajdeep Mukherjee , Nithish Kannen , Saurabh Kumar Pandey , Pawan Goyal

Aspect Sentiment Triplet Extraction (ASTE) is the most recent subtask of ABSA which outputs triplets of an aspect target, its associated sentiment, and the corresponding opinion term. Recent models perform the triplet extraction in an…

计算与语言 · 计算机科学 2021-07-27 Lu Xu , Yew Ken Chia , Lidong Bing

Aspect sentiment triplet extraction (ASTE) is a crucial subtask of aspect-based sentiment analysis (ABSA) that aims to comprehensively identify sentiment triplets. Previous research has focused on enhancing ASTE through innovative…

计算与语言 · 计算机科学 2024-01-26 Baoxing Jiang , Shehui Liang , Peiyu Liu , Kaifang Dong , Hongye Li
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