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Aspect-Based Sentiment Analysis (ABSA) aims to identify terms or multiword expressions (MWEs) on which sentiments are expressed and the sentiment polarities associated with them. The development of supervised models has been at the…

Computation and Language · Computer Science 2024-03-27 Gaurav Negi , Rajdeep Sarkar , Omnia Zayed , Paul Buitelaar

Grounded on pre-trained language models (PLMs), dense retrieval has been studied extensively on plain text. In contrast, there has been little research on retrieving data with multiple aspects using dense models. In the scenarios such as…

Information Retrieval · Computer Science 2023-08-23 Xiaojie Sun , Keping Bi , Jiafeng Guo , Xinyu Ma , Fan Yixing , Hongyu Shan , Qishen Zhang , Zhongyi Liu

Text sentiment analysis, also known as opinion mining, is research on the calculation of people's views, evaluations, attitude and emotions expressed by entities. Text sentiment analysis can be divided into text-level sentiment analysis,…

Computation and Language · Computer Science 2022-07-08 Tianyu Zhao , Junping Du , Zhe Xue , Ang Li , Zeli Guan

Multi-label aspect category detection is intended to detect multiple aspect categories occurring in a given sentence. Since aspect category detection often suffers from limited datasets and data sparsity, the prototypical network with…

Computation and Language · Computer Science 2023-09-28 Zeyu Wang , Mizuho Iwaihara

Open-vocabulary semantic segmentation is a challenging task that requires segmenting novel object categories at inference time. Recent studies have explored vision-language pre-training to handle this task, but suffer from unrealistic…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Chaofan Ma , Yuhuan Yang , Chen Ju , Fei Zhang , Ya Zhang , Yanfeng Wang

Recommendation systems harness user-item interactions like clicks and reviews to learn their representations. Previous studies improve recommendation accuracy and interpretability by modeling user preferences across various aspects and…

Information Retrieval · Computer Science 2024-11-19 Fan Liu , Yaqi Liu , Huilin Chen , Zhiyong Cheng , Liqiang Nie , Mohan Kankanhalli

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

Aspect-Based Sentiment Analysis (ABSA) is increasingly crucial in Natural Language Processing (NLP) for applications such as customer feedback analysis and product recommendation systems. ABSA goes beyond traditional sentiment analysis by…

Computation and Language · Computer Science 2024-10-29 Adamu Lawan , Juhua Pu , Haruna Yunusa , Jawad Muhammad , Aliyu Umar

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…

Computation and Language · Computer Science 2019-06-07 Jialong Tang , Ziyao Lu , Jinsong Su , Yubin Ge , Linfeng Song , Le Sun , Jiebo Luo

Cross-domain aspect-based sentiment analysis (ABSA) aims to perform various fine-grained sentiment analysis tasks on a target domain by transferring knowledge from a source domain. Since labeled data only exists in the source domain, a…

Computation and Language · Computer Science 2023-05-17 Yue Deng , Wenxuan Zhang , Sinno Jialin Pan , Lidong Bing

Aspect term extraction aims to extract aspect terms from review texts as opinion targets for sentiment analysis. One of the big challenges with this task is the lack of sufficient annotated data. While data augmentation is potentially an…

Computation and Language · Computer Science 2020-05-04 Kun Li , Chengbo Chen , Xiaojun Quan , Qing Ling , Yan Song

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

Text categorization (TC) is the task of automatically organizing a set of documents into a set of pre-defined categories. Over the last few years, increased attention has been paid to the use of documents in digital form and this makes text…

Information Retrieval · Computer Science 2018-07-10 Ahmed I. Taloba , D. A. Eisa , Safaa S. I. Ismail

Analysis of a large amount of data has always brought value to institutions and organizations. Lately, people's opinions expressed through text have become a very important aspect of this analysis. In response to this challenge, a natural…

Computation and Language · Computer Science 2020-10-06 Rinor Hajrizi , Krenare Pireva Nuçi

The avalanche quantity of the information developed by mankind has led to concept of automation of knowledge extraction - Data Mining ([1]). This direction is connected with a wide spectrum of problems - from recognition of the fuzzy set to…

Machine Learning · Computer Science 2009-06-05 A. A. Shumeyko , S. L. Sotnik

Aspect-based sentiment analysis (ABSA), which aims to identify fine-grained opinion polarity towards a specific aspect, is a challenging subtask of sentiment analysis (SA). In this paper, we construct an auxiliary sentence from the aspect…

Computation and Language · Computer Science 2019-03-25 Chi Sun , Luyao Huang , Xipeng Qiu

Aspect-based Sentiment Analysis (ABSA) helps to explain customers' opinions towards products and services. In the past, ABSA models were discriminative, but more recently generative models have been used to generate aspects and polarities…

Computation and Language · Computer Science 2023-07-13 Dhruv Mullick , Alona Fyshe , Bilal Ghanem

Computational Argumentation in general and Argument Mining in particular are important research fields. In previous works, many of the challenges to automatically extract and to some degree reason over natural language arguments were…

Computation and Language · Computer Science 2020-11-03 Dietrich Trautmann

We present a neural framework for opinion summarization from online product reviews which is knowledge-lean and only requires light supervision (e.g., in the form of product domain labels and user-provided ratings). Our method combines two…

Computation and Language · Computer Science 2018-08-28 Stefanos Angelidis , Mirella Lapata

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…

Computation and Language · Computer Science 2025-02-11 Hao Niu , Yun Xiong , Xiaosu Wang , Philip S. Yu
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