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In NLP, Zero-Shot Classification (ZSC) has become essential for enabling models to classify text into categories unseen during training, particularly in low-resource languages and domains where labeled data is scarce. While pretrained…

Computation and Language · Computer Science 2025-03-31 Fred Philippy , Siwen Guo , Cedric Lothritz , Jacques Klein , Tegawendé F. Bissyandé

Generative models have demonstrated impressive results on Aspect-based Sentiment Analysis (ABSA) tasks, particularly for the emerging task of extracting Aspect-Category-Opinion-Sentiment (ACOS) quadruples. However, these models struggle…

Computation and Language · Computer Science 2022-11-16 Joseph J. Peper , Lu Wang

The goal of stance detection is to determine the viewpoint expressed in a piece of text towards a target. These viewpoints or contexts are often expressed in many different languages depending on the user and the platform, which can be a…

Computation and Language · Computer Science 2021-12-22 Momchil Hardalov , Arnav Arora , Preslav Nakov , Isabelle Augenstein

In the domain of Aspect-Based Sentiment Analysis (ABSA), generative methods have shown promising results and achieved substantial advancements. However, despite these advancements, the tasks of extracting sentiment quadruplets, which…

Computation and Language · Computer Science 2024-10-04 Yongsik Seo , Sungwon Song , Ryang Heo , Jieyong Kim , Dongha Lee

Intent Detection is one of the core tasks of dialog systems. Few-shot Intent Detection is challenging due to limited number of annotated utterances for novel classes. Generalized Few-shot intent detection is more realistic but challenging…

Computation and Language · Computer Science 2023-12-27 Ayush Kumar , Vijit Malik , Jithendra Vepa

After transformer is proposed, lots of pre-trained language models have been come up with and sentiment analysis (SA) task has been improved. In this paper, we proposed a method that uses an auxiliary sentence about aspects that the…

Computation and Language · Computer Science 2024-10-16 Teng Wang , Bolun Sun , Yijie Tong

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

With the constantly growing number of reviews and other sentiment-bearing texts on the Web, the demand for automatic sentiment analysis algorithms continues to expand. Aspect-based sentiment classification (ABSC) allows for the automatic…

Computation and Language · Computer Science 2022-03-29 Gianni Brauwers , Flavius Frasincar

Aspect-category sentiment analysis provides granular insights by identifying specific themes within product reviews that are associated with particular opinions. Supervised learning approaches dominate the field. However, data is scarce and…

Computation and Language · Computer Science 2025-08-26 Filippos Ventirozos , Peter Appleby , Matthew Shardlow

Large language model (LLM) is an effective approach to addressing data scarcity in low-resource scenarios. Recent existing research designs hand-crafted prompts to guide LLM for data augmentation. We introduce a data augmentation strategy…

Computation and Language · Computer Science 2025-06-10 Yaping Chai , Haoran Xie , Joe S. Qin

Aspect-Based Sentiment Analysis (ABSA) studies the consumer opinion on the market products. It involves examining the type of sentiments as well as sentiment targets expressed in product reviews. Analyzing the language used in a review is a…

Computation and Language · Computer Science 2021-03-02 Akbar Karimi , Leonardo Rossi , Andrea Prati

Sentiments in opinionated text are often determined by both aspects and target words (or targets). We observe that targets and aspects interrelate in subtle ways, often yielding conflicting sentiments. Thus, a naive aggregation of…

Computation and Language · Computer Science 2020-10-08 Zhe Zhang , Chung-Wei Hang , Munindar P. Singh

Aspect-based sentiment analysis (ABSA) aims at automatically inferring the specific sentiment polarities toward certain aspects of products or services behind the social media texts or reviews, which has been a fundamental application to…

Computation and Language · Computer Science 2023-05-22 Hao Fei , Tat-Seng Chua , Chenliang Li , Donghong Ji , Meishan Zhang , Yafeng Ren

Few-shot named entity recognition (NER) targets generalizing to unseen labels and/or domains with few labeled examples. Existing metric learning methods compute token-level similarities between query and support sets, but are not able to…

Computation and Language · Computer Science 2022-11-09 Yanru Chen , Yanan Zheng , Zhilin Yang

We introduce Arctic-ABSA, a collection of powerful models for real-life aspect-based sentiment analysis (ABSA). Our models are tailored to commercial needs, trained on a large corpus of public data alongside carefully generated synthetic…

Computation and Language · Computer Science 2026-01-08 Paweł Liskowski , Krzysztof Jankowski

We propose a novel prompt tuning method called CoAPT(Context Attribute words in Prompt Tuning) for few/zero-shot image classification. The core motivation is that attributes are descriptive words with rich information about a given concept.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Gun Lee , Subin An , Sungyong Baik , Soochahn Lee

Many tasks related to Computational Social Science and Web Content Analysis involve classifying pieces of text based on the claims they contain. State-of-the-art approaches usually involve fine-tuning models on large annotated datasets,…

Computation and Language · Computer Science 2024-05-10 Sandrine Chausson , Björn Ross

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…

Machine Learning · Computer Science 2019-07-02 Yanyan Wang , Qun Chen , Jiquan Shen , Boyi Hou , Murtadha Ahmed , Zhanhuai Li

Pre-trained Vision-Language Models (VLMs) have recently shown promise in detecting anomalies. However, previous approaches are fundamentally limited by their reliance on human-designed prompts and the lack of accessible anomaly samples,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Pi-Wei Chen , Jerry Chun-Wei Lin , Wei-Han Chen , Jia Ji , Zih-Ching Chen , Feng-Hao Yeh , Chao-Chun Chen

Multimodal aspect-based sentiment analysis (MABSA) aims to extract aspects from text-image pairs and recognize their sentiments. Existing methods make great efforts to align the whole image to corresponding aspects. However, different…

Computation and Language · Computer Science 2023-06-05 Ru Zhou , Wenya Guo , Xumeng Liu , Shenglong Yu , Ying Zhang , Xiaojie Yuan