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Target-based sentiment analysis involves opinion target extraction and target sentiment classification. However, most of the existing works usually studied one of these two sub-tasks alone, which hinders their practical use. This paper aims…

计算与语言 · 计算机科学 2019-02-12 Xin Li , Lidong Bing , Piji Li , Wai Lam

Past shared tasks on emotions use data with both overt expressions of emotions (I am so happy to see you!) as well as subtle expressions where the emotions have to be inferred, for instance from event descriptions. Further, most datasets do…

计算与语言 · 计算机科学 2018-09-06 Roman Klinger , Orphée De Clercq , Saif M. Mohammad , Alexandra Balahur

In this paper, we address the task of targeted sentiment analysis (TSA), which involves two sub-tasks, i.e., identifying specific aspects from reviews and determining their corresponding sentiments. Aspect extraction forms the foundation…

计算与语言 · 计算机科学 2025-05-29 Wei Chen , Zhao Zhang , Meng Yuan , Kepeng Xu , Fuzhen Zhuang

This paper describes the architecture of our system developed for Task 3 of SemEval-2024: Multimodal Emotion-Cause Analysis in Conversations. Our project targets the challenges of subtask 2, dedicated to Multimodal Emotion-Cause Pair…

计算与语言 · 计算机科学 2025-01-30 Meng Luo , Han Zhang , Shengqiong Wu , Bobo Li , Hong Han , Hao Fei

In this article, we describe the system that we used for the memotion analysis challenge, which is Task 8 of SemEval-2020. This challenge had three subtasks where affect based sentiment classification of the memes was required along with…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Sourya Dipta Das , Soumil Mandal

As an important fine-grained sentiment analysis problem, aspect-based sentiment analysis (ABSA), aiming to analyze and understand people's opinions at the aspect level, has been attracting considerable interest in the last decade. To handle…

计算与语言 · 计算机科学 2022-11-08 Wenxuan Zhang , Xin Li , Yang Deng , Lidong Bing , Wai Lam

Targeted sentiment classification predicts the sentiment polarity on given target mentions in input texts. Dominant methods employ neural networks for encoding the input sentence and extracting relations between target mentions and their…

计算与语言 · 计算机科学 2020-12-18 Xuefeng Bai , Pengbo Liu , Yue Zhang

The aspect-based sentiment analysis (ABSA) task remains to be a long-standing challenge, which aims to extract the aspect term and then identify its sentiment orientation.In previous approaches, the explicit syntactic structure of a…

计算与语言 · 计算机科学 2020-04-07 Yunlong Liang , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

While neural networks have been shown to achieve impressive results for sentence-level sentiment analysis, targeted aspect-based sentiment analysis (TABSA) --- extraction of fine-grained opinion polarity w.r.t. a pre-defined set of aspects…

计算与语言 · 计算机科学 2018-05-01 Fei Liu , Trevor Cohn , Timothy Baldwin

Targeted sentiment analysis is the task of jointly predicting target entities and their associated sentiment information. Existing research efforts mostly regard this joint task as a sequence labeling problem, building models that can…

计算与语言 · 计算机科学 2019-09-18 Hao Li , Wei Lu

Aspect category sentiment analysis (ACSA) aims to predict the sentiment polarities of the aspect categories discussed in sentences. Since a sentence usually discusses one or more aspect categories and expresses different sentiments toward…

计算与语言 · 计算机科学 2020-10-06 Yuncong Li , Cunxiang Yin , Sheng-hua Zhong

Multimodal aspect-based sentiment analysis (MABSA) aims to understand opinions in a granular manner, advancing human-computer interaction and other fields. Traditionally, MABSA methods use a joint prediction approach to identify aspects and…

计算与语言 · 计算机科学 2024-06-14 Shezheng Song , Shasha Li , Shan Zhao , Chengyu Wang , Xiaopeng Li , Jie Yu , Qian Wan , Jun Ma , Tianwei Yan , Wentao Ma , Xiaoguang Mao

We present a novel neural architecture for the Argument Reasoning Comprehension task of SemEval 2018. It is a simple neural network consisting of three parts, collectively judging whether the logic built on a set of given sentences (a…

计算与语言 · 计算机科学 2018-05-21 Taeuk Kim , Jihun Choi , Sang-goo Lee

This paper describes our system developed for the SemEval-2023 Task 12 "Sentiment Analysis for Low-resource African Languages using Twitter Dataset". Sentiment analysis is one of the most widely studied applications in natural language…

计算与语言 · 计算机科学 2024-01-08 Mingyang Wang , Heike Adel , Lukas Lange , Jannik Strötgen , Hinrich Schütze

Prominent applications of sentiment analysis are countless, covering areas such as marketing, customer service and communication. The conventional bag-of-words approach for measuring sentiment merely counts term frequencies; however, it…

计算与语言 · 计算机科学 2018-10-08 Mathias Kraus , Stefan Feuerriegel

The ability to identify sentiment in text, referred to as sentiment analysis, is one which is natural to adult humans. This task is, however, not one which a computer can perform by default. Identifying sentiments in an automated,…

计算与语言 · 计算机科学 2018-04-06 Emmanuel Dufourq , Bruce A. Bassett

Multidomain sentiment analysis involves estimating the polarity of an unstructured text by exploiting domain specific information. One of the main issues common to the approaches discussed in the literature is their poor applicability to…

计算与语言 · 计算机科学 2024-12-10 Mohammadali Memari , Soghra Mikaeyl Nejad , Amir Parsa Rabiei , Mehrshad Eisaei , Saba Hesaraki

This paper describes our participation in SemEval 2024 Task 3, which focused on Multimodal Emotion Cause Analysis in Conversations. We developed an early prototype for an end-to-end system that uses graph-based methods from dependency…

计算与语言 · 计算机科学 2024-05-13 Ana Ezquerro , David Vilares

Our day-to-day life has always been influenced by what people think. Ideas and opinions of others have always affected our own opinions. The explosion of Web 2.0 has led to increased activity in Podcasting, Blogging, Tagging, Contributing…

计算与语言 · 计算机科学 2013-04-17 Subhabrata Mukherjee , Pushpak Bhattacharyya

Automated evaluation of text generation systems has recently seen increasing attention, particularly checking whether generated text stays truthful to input sources. Existing methods frequently rely on an evaluation using task-specific…

计算与语言 · 计算机科学 2023-05-23 Jing Fan , Dennis Aumiller , Michael Gertz
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