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Aspect-based sentiment analysis (ABSA) is a natural language processing problem that requires analyzing user-generated reviews to determine: a) The target entity being reviewed, b) The high-level aspect to which it belongs, and c) The…

Computation and Language · Computer Science 2023-09-22 Siva Uday Sampreeth Chebolu , Franck Dernoncourt , Nedim Lipka , Thamar Solorio

Open-vocabulary semantic segmentation aims to assign labels to every pixel in an image based on text labels. Existing approaches typically utilize vision-language models (VLMs), such as CLIP, for dense prediction. However, VLMs, pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Yao , Xin Li , Taotao Jing , Shuai Zhang , Mooi Choo Chuah

Multimodal Aspect-based Sentiment Analysis (MABSA) enhances sentiment detection by integrating textual data with complementary modalities, such as images, to provide a more refined and comprehensive understanding of sentiment. However,…

Computation and Language · Computer Science 2025-04-22 Adamu Lawan , Juhua Pu , Haruna Yunusa , Muhammad Lawan , Aliyu Umar , Adamu Sani Yahya , Mahmoud Basi

Aspect-based Sentiment Analysis (ABSA) is the task aimed at predicting the sentiment polarity of aspect words within sentences. Recently, incorporating graph neural networks (GNNs) to capture additional syntactic structure information in…

Computation and Language · Computer Science 2025-01-28 Xiang Huang , Hao Peng , Shuo Sun , Zhifeng Hao , Hui Lin , Shuhai Wang

We present our shared task on text-based emotion detection, covering more than 30 languages from seven distinct language families. These languages are predominantly low-resource and are spoken across various continents. The data instances…

Aspect-based sentiment analysis (ABSA) is to predict the sentiment polarity towards a particular aspect in a sentence. Recently, this task has been widely addressed by the neural attention mechanism, which computes attention weights to…

Computation and Language · Computer Science 2019-09-26 Mengting Hu , Shiwan Zhao , Honglei Guo , Renhong Cheng , Zhong Su

In recent years, sentiment analysis has gained significant importance in natural language processing. However, most existing models and datasets for sentiment analysis are developed for high-resource languages, such as English and Chinese,…

Computation and Language · Computer Science 2023-09-19 Daniil Homskiy , Narek Maloyan

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…

Computation and Language · Computer Science 2026-02-09 Wenna Lai , Haoran Xie , Guandong Xu , Qing Li

Aspect-Target Sentiment Classification (ATSC) is a subtask of Aspect-Based Sentiment Analysis (ABSA), which has many applications e.g. in e-commerce, where data and insights from reviews can be leveraged to create value for businesses and…

Computation and Language · Computer Science 2019-11-20 Alexander Rietzler , Sebastian Stabinger , Paul Opitz , Stefan Engl

Numerous deep learning applications benefit from multi-task learning with multiple regression and classification objectives. In this paper we make the observation that the performance of such systems is strongly dependent on the relative…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Alex Kendall , Yarin Gal , Roberto Cipolla

Open-vocabulary semantic segmentation (OVSS) extends traditional closed-set segmentation by enabling pixel-wise annotation for both seen and unseen categories using arbitrary textual descriptions. While existing methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Junyang Chen , Xiangbo Lv , Zhiqiang Kou , Xingdong Sheng , Ning Xu , Yiguo Qiao

This paper presents our system for SemEval-2026 Task 9: Detecting Multilingual, Multicultural and Multievent Online Polarization, which identifies polarized social media content in 22 languages through three subtasks: binary detection,…

Computation and Language · Computer Science 2026-05-12 Fengze Guo , Yue Chang

Aspect-based Sentiment Analysis (ABSA) aims to identify the aspect terms, their corresponding sentiment polarities, and the opinion terms. There exist seven subtasks in ABSA. Most studies only focus on the subsets of these subtasks, which…

Computation and Language · Computer Science 2021-06-09 Hang Yan , Junqi Dai , Tuo ji , Xipeng Qiu , Zheng Zhang

As an important multimodal sentiment analysis task, Joint Multimodal Aspect-Sentiment Analysis (JMASA), aiming to jointly extract aspect terms and their associated sentiment polarities from the given text-image pairs, has gained increasing…

Computation and Language · Computer Science 2024-05-24 Yaxin Liu , Yan Zhou , Ziming Li , Jinchuan Zhang , Yu Shang , Chenyang Zhang , Songlin Hu

Aspect-category sentiment analysis (ACSA) aims to predict sentiment polarities of sentences with respect to given aspect categories. To detect the sentiment toward a particular aspect category in a sentence, most previous methods first…

Computation and Language · Computer Science 2020-10-07 Yuncong Li , Cunxiang Yin , Sheng-hua Zhong , Xu Pan

AfriSenti-SemEval Shared Task 12 of SemEval-2023. The task aims to perform monolingual sentiment classification (sub-task A) for 12 African languages, multilingual sentiment classification (sub-task B), and zero-shot sentiment…

The paper describes the best performing system for the SemEval-2018 Affect in Tweets (English) sub-tasks. The system focuses on the ordinal classification and regression sub-tasks for valence and emotion. For ordinal classification valence…

Computation and Language · Computer Science 2018-04-18 Venkatesh Duppada , Royal Jain , Sushant Hiray

Aspect-based sentiment analysis (ABSA) is a fine-grained type of sentiment analysis that identifies aspects and their associated opinions from a given text. With the surge of digital opinionated text data, ABSA gained increasing popularity…

Computation and Language · Computer Science 2024-09-19 Yan Cathy Hua , Paul Denny , Katerina Taskova , Jörg Wicker

This paper describes the system developed by the Laboratoire d'analyse statistique des textes (LAST) for the Lexical Complexity Prediction shared task at SemEval-2021. The proposed system is made up of a LightGBM model fed with features…

Computation and Language · Computer Science 2021-05-21 Yves Bestgen

Aspect-Based Sentiment Analysis (ABSA) enables fine-grained opinion analysis by identifying sentiments toward specific aspects or targets within a text. While ABSA has been widely studied for English, research on other languages such as…

Computation and Language · Computer Science 2026-05-06 Niklas Donhauser , Jakob Fehle , Nils Constantin Hellwig , Markus Weinberger , Udo Kruschwitz , Christian Wolff