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相关论文: Aspect and Opinion Terms Extraction Using Double E…

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Aspect Sentiment Triplet Extraction (ASTE) aims to extract triplets from a sentence, including target entities, associated sentiment polarities, and opinion spans which rationalize the polarities. Existing methods are short on building…

计算与语言 · 计算机科学 2021-11-02 Lianzhe Huang , Peiyi Wang , Sujian Li , Tianyu Liu , Xiaodong Zhang , Zhicong Cheng , Dawei Yin , Houfeng Wang

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

Aspect category detection is one of the important and challenging subtasks of aspect-based sentiment analysis. Given a set of pre-defined categories, this task aims to detect categories which are indicated implicitly or explicitly in a…

计算与语言 · 计算机科学 2019-06-24 Erfan Ghadery , Sajad Movahedi , Heshaam Faili , Azadeh Shakery

This study examines the performance of Large Language Models (LLMs) in Aspect-Based Sentiment Analysis (ABSA), with a focus on implicit aspect extraction in a novel domain. Using a synthetic sports feedback dataset, we evaluate open-weight…

计算与语言 · 计算机科学 2025-06-11 Nikita Neveditsin , Pawan Lingras , Vijay Mago

Aspect-based sentiment analysis (ABSA) is an emerging fine-grained sentiment analysis task that aims to extract aspects, classify corresponding sentiment polarities and find opinions as the causes of sentiment. The latest research tends to…

计算与语言 · 计算机科学 2021-09-20 Chengxi Li , Feiyu Gao , Jiajun Bu , Lu Xu , Xiang Chen , Yu Gu , Zirui Shao , Qi Zheng , Ningyu Zhang , Yongpan Wang , Zhi Yu

We present a simple but effective method for aspect identification in sentiment analysis. Our unsupervised method only requires word embeddings and a POS tagger, and is therefore straightforward to apply to new domains and languages. We…

计算与语言 · 计算机科学 2020-04-29 Stéphan Tulkens , Andreas van Cranenburgh

Aspect-based sentiment classification (ASC) aims to judge the sentiment polarity conveyed by the given aspect term in a sentence. The sentiment polarity is not only determined by the local context but also related to the words far away from…

计算与语言 · 计算机科学 2025-02-11 Hao Niu , Yun Xiong , Xiaosu Wang , Philip S. Yu

Sarcasm is considered one of the most difficult problem in sentiment analysis. In our ob-servation on Indonesian social media, for cer-tain topics, people tend to criticize something using sarcasm. Here, we proposed two additional features…

计算与语言 · 计算机科学 2015-05-13 Edwin Lunando , Ayu Purwarianti

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

信息检索 · 计算机科学 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal

Much unstructured data has been produced with the growth of the Internet and social media. A significant volume of textual data includes users' opinions about products in online stores and social media. By exploring and categorizing them,…

信息检索 · 计算机科学 2023-07-18 Minoo Sayyadpour , Ali Nazarizadeh

In aspect-level sentiment classification (ASC), it is prevalent to equip dominant neural models with attention mechanisms, for the sake of acquiring the importance of each context word on the given aspect. However, such a mechanism tends to…

计算与语言 · 计算机科学 2019-06-07 Jialong Tang , Ziyao Lu , Jinsong Su , Yubin Ge , Linfeng Song , Le Sun , Jiebo Luo

Opinion summarization plays a key role in deriving meaningful insights from large-scale online reviews. To make the process more explainable and grounded, we propose a domain-agnostic modular approach guided by review aspects (e.g.,…

计算与语言 · 计算机科学 2025-05-30 Miao Li , Jey Han Lau , Eduard Hovy , Mirella Lapata

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

Word embeddings or distributed representations of words are being used in various applications like machine translation, sentiment analysis, topic identification etc. Quality of word embeddings and performance of their applications depends…

计算与语言 · 计算机科学 2020-03-09 Erion Çano , Maurizio Morisio

[Purpose] To understand the meaning of a sentence, humans can focus on important words in the sentence, which reflects our eyes staying on each word in different gaze time or times. Thus, some studies utilize eye-tracking values to optimize…

计算与语言 · 计算机科学 2022-09-09 Lei Zhao , Yingyi Zhang , Chengzhi Zhang

This paper presents our approach for SemEval 2025 Task 11 Track A, focusing on multilabel emotion classification across 28 languages. We explore two main strategies: fully fine-tuning transformer models and classifier-only training,…

Lack of labeled training data is a major bottleneck for neural network based aspect and opinion term extraction on product reviews. To alleviate this problem, we first propose an algorithm to automatically mine extraction rules from…

计算与语言 · 计算机科学 2019-07-10 Hongliang Dai , Yangqiu Song

In the sentiment attitude extraction task, the aim is to identify <<attitudes>> -- sentiment relations between entities mentioned in text. In this paper, we provide a study on attention-based context encoders in the sentiment attitude…

计算与语言 · 计算机科学 2020-07-01 Nicolay Rusnachenko , Natalia Loukachevitch

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-based sentiment analysis (ABSA) tries to predict the polarity of a given document with respect to a given aspect entity. While neural network architectures have been successful in predicting the overall polarity of sentences,…

计算与语言 · 计算机科学 2017-12-18 Yi Tay , Anh Tuan Luu , Siu Cheung Hui
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