中文
相关论文

相关论文: It is Simple Sometimes: A Study On Improving Aspec…

200 篇论文

Aspect-based sentiment analysis (ABSA) mainly involves three subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification, which are typically handled in a separate or joint manner. However, previous…

计算与语言 · 计算机科学 2021-09-03 Yunlong Liang , Fandong Meng , Jinchao Zhang , Yufeng Chen , Jinan Xu , Jie Zhou

Aspect-based sentiment analysis (ABSA) is a crucial task in information extraction and sentiment analysis, aiming to identify aspects with associated sentiment elements in text. However, existing ABSA datasets are predominantly…

计算与语言 · 计算机科学 2025-09-10 Chengyan Wu , Bolei Ma , Yihong Liu , Zheyu Zhang , Ningyuan Deng , Yanshu Li , Baolan Chen , Yi Zhang , Yun Xue , Barbara Plank

In this paper, we present AILS-NTUA system for Track-A of SemEval-2026 Task 3 on Dimensional Aspect-Based Sentiment Analysis (DimABSA), which encompasses three complementary problems: Dimensional Aspect Sentiment Regression (DimASR),…

This paper introduces a novel Czech dataset in the restaurant domain for aspect-based sentiment analysis (ABSA), enriched with annotations of opinion terms. The dataset supports three distinct ABSA tasks involving opinion terms,…

计算与语言 · 计算机科学 2026-03-05 Jakub Šmíd , Pavel Přibáň , Pavel Král

We report the construction of a Korean evaluation-annotated corpus, hereafter called 'Evaluation Annotated Dataset (EVAD)', and its use in Aspect-Based Sentiment Analysis (ABSA) extended in order to cover e-commerce reviews containing…

计算与语言 · 计算机科学 2026-05-11 Suwon Choi , Shinwoo Kim , Changhoe Hwang , Gwanghoon Yoo , Eric Laporte , Jeesun Nam

Sentiment analysis (SA) aims to identify the sentiment expressed in a text, such as a product review. Given a review and the sentiment associated with it, this work formulates SA as a combination of two tasks: (1) a causal discovery task…

计算与语言 · 计算机科学 2024-10-29 Zhiheng Lyu , Zhijing Jin , Fernando Gonzalez , Rada Mihalcea , Bernhard Schölkopf , Mrinmaya Sachan

Aspect-based sentiment analysis is a long-standing research interest in the field of opinion mining, and in recent years, researchers have gradually shifted their focus from simple ABSA subtasks to end-to-end multi-element ABSA tasks.…

计算与语言 · 计算机科学 2023-06-30 Hongjie Cai , Nan Song , Zengzhi Wang , Qiming Xie , Qiankun Zhao , Ke Li , Siwei Wu , Shijie Liu , Jianfei Yu , Rui Xia

Aspect Sentiment Triplet Extraction (ASTE) aims to extract aspect term, sentiment and opinion term triplets from sentences and tries to provide a complete solution for aspect-based sentiment analysis (ABSA). However, some triplets extracted…

计算与语言 · 计算机科学 2021-08-31 Yuncong Li , Fang Wang , Wenjun Zhang , Sheng-hua Zhong , Cunxiang Yin , Yancheng He

Gradient-based explanation methods play an important role in the field of interpreting complex deep neural networks for NLP models. However, the existing work has shown that the gradients of a model are unstable and easily manipulable,…

计算与语言 · 计算机科学 2023-02-22 Zhenxiao Cheng , Jie Zhou , Wen Wu , Qin Chen , Liang He

The state-of-the-art solutions for Aspect-Level Sentiment Analysis (ALSA) were built on a variety of deep neural networks (DNN), whose efficacy depends on large amounts of accurately labeled training data. Unfortunately, high-quality…

机器学习 · 计算机科学 2019-07-02 Yanyan Wang , Qun Chen , Jiquan Shen , Boyi Hou , Murtadha Ahmed , Zhanhuai Li

Due to the breathtaking growth of social media or newspaper user comments, online product reviews comments, sentiment analysis (SA) has captured substantial interest from the researchers. With the fast increase of domain, SA work aims not…

计算与语言 · 计算机科学 2020-12-02 Mahfuz Ahmed Masum , Sheikh Junayed Ahmed , Ayesha Tasnim , Md Saiful Islam

While large language models (LLMs) show promise for various tasks, their performance in compound aspect-based sentiment analysis (ABSA) tasks lags behind fine-tuned models. However, the potential of LLMs fine-tuned for ABSA remains…

计算与语言 · 计算机科学 2025-08-13 Jakub Šmíd , Pavel Přibáň , Pavel Král

In the era of rapid evolution of generative language models within the realm of natural language processing, there is an imperative call to revisit and reformulate evaluation methodologies, especially in the domain of aspect-based sentiment…

计算与语言 · 计算机科学 2024-04-18 Soyoung Yang , Won Ik Cho

Sentiment analysis is an important task in natural language processing. In recent works, pre-trained language models are often used to achieve state-of-the-art results, especially when training data is scarce. It is common to fine-tune on…

计算与语言 · 计算机科学 2022-04-13 Ehsan Hosseini-Asl , Wenhao Liu , Caiming Xiong

We introduce AnnoABSA, the first web-based annotation tool to support the full spectrum of Aspect-Based Sentiment Analysis (ABSA) tasks. The tool is highly customizable, enabling flexible configuration of sentiment elements and…

计算与语言 · 计算机科学 2026-03-03 Nils Constantin Hellwig , Jakob Fehle , Udo Kruschwitz , Christian Wolff

Understanding preferences, opinions, and sentiment of the workforce is paramount for effective employee lifecycle management. Open-ended survey responses serve as a valuable source of information. This paper proposes a machine learning…

计算与语言 · 计算机科学 2024-02-08 Lois Rink , Job Meijdam , David Graus

Aspect-based sentiment analysis (ABSA) aims to identify four sentiment elements, including aspect term, aspect category, opinion term, and sentiment polarity. These elements construct a complete picture of sentiments. The most challenging…

计算与语言 · 计算机科学 2026-02-09 Wenna Lai , Haoran Xie , Guandong Xu , Qing Li

Document representation is the core of many NLP tasks on machine understanding. A general representation learned in an unsupervised manner reserves generality and can be used for various applications. In practice, sentiment analysis (SA)…

机器学习 · 计算机科学 2024-01-15 Hao-Ming Fu , Pu-Jen Cheng

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

计算与语言 · 计算机科学 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

Product reviews often contain a large number of implicit aspects and object-attribute co-existence cases. Unfortunately, many existing studies in Aspect-Based Sentiment Analysis (ABSA) have overlooked this issue, which can make it difficult…

计算与语言 · 计算机科学 2023-11-29 Dan Ma , Jun Xu , Zongyu Wang , Xuezhi Cao , Yunsen Xian