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Aspect based sentiment analysis (ABSA) deals with the identification of the sentiment polarity of a review sentence towards a given aspect. Deep Learning sequential models like RNN, LSTM, and GRU are current state-of-the-art methods for…

Computation and Language · Computer Science 2022-08-05 Ashish Kumar , Vasundhra Dahiya , Aditi Sharan

Recent approaches to Sign Language Production (SLP) have adopted spoken language Neural Machine Translation (NMT) architectures, applied without sign-specific modifications. In addition, these works represent sign language as a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Ben Saunders , Necati Cihan Camgoz , Richard Bowden

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,…

Computation and Language · Computer Science 2017-12-18 Yi Tay , Anh Tuan Luu , Siu Cheung Hui

To improve the robustness of graph neural networks (GNN), graph structure learning (GSL) has attracted great interest due to the pervasiveness of noise in graph data. Many approaches have been proposed for GSL to jointly learn a clean graph…

Machine Learning · Computer Science 2023-07-06 Shaogao Lv , Gang Wen , Shiyu Liu , Linsen Wei , Ming Li

Aspect based sentiment analysis (ABSA) can provide more detailed information than general sentiment analysis, because it aims to predict the sentiment polarities of the given aspects or entities in text. We summarize previous approaches…

Computation and Language · Computer Science 2018-05-21 Wei Xue , Tao Li

Aspect-based sentiment analysis predicts sentiment polarity with fine granularity. While graph convolutional networks (GCNs) are widely utilized for sentimental feature extraction, their naive application for syntactic feature extraction…

Computation and Language · Computer Science 2024-09-10 Chen Li , Huidong Tang , Jinli Zhang , Xiujing Guo , Debo Cheng , Yasuhiko Morimoto

The inevitable modality imperfection in real-world scenarios poses significant challenges for Multimodal Sentiment Analysis (MSA). While existing methods tailor reconstruction or joint representation learning strategies to restore missing…

Multimedia · Computer Science 2025-08-05 Hu Zhangfeng , Shi mengxin

The quality of graph-structured data is fundamental to the success of modern graph analysis techniques such as Graph Neural Networks (GNNs). However, real-world graph data is often suboptimal, suffering from issues such as noise and…

Machine Learning · Computer Science 2026-05-19 Shen Han , Zhiyao Zhou , Jiawei Chen , Sheng Zhou , Canghong Jin , Hai Lin , Da Zhong Li , Bingde Hu , Can Wang

To improve the performance of Graph Neural Networks (GNNs), Graph Structure Learning (GSL) has been extensively applied to reconstruct or refine original graph structures, effectively addressing issues like heterophily, over-squashing, and…

Machine Learning · Computer Science 2024-11-13 Yilun Zheng , Zhuofan Zhang , Ziming Wang , Xiang Li , Sitao Luan , Xiaojiang Peng , Lihui Chen

It has been widely accepted that Long Short-Term Memory (LSTM) network, coupled with attention mechanism and memory module, is useful for aspect-level sentiment classification. However, existing approaches largely rely on the modelling of…

Computation and Language · Computer Science 2019-09-24 Chen Zhang , Qiuchi Li , Dawei Song

Graph Active Learning (GAL), which aims to find the most informative nodes in graphs for annotation to maximize the Graph Neural Networks (GNNs) performance, has attracted many research efforts but remains non-trivial challenges. One major…

Machine Learning · Computer Science 2023-08-21 Tianmeng Yang , Min Zhou , Yujing Wang , Zhengjie Lin , Lujia Pan , Bin Cui , Yunhai Tong

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

Graph Neural Networks (GNN) have recently gained popularity in the forecasting domain due to their ability to model complex spatial and temporal patterns in tasks such as traffic forecasting and region-based demand forecasting. Most of…

Machine Learning · Computer Science 2023-12-08 Abishek Sriramulu , Nicolas Fourrier , Christoph Bergmeir

Scene graphs have emerged as a structured and serializable environment representation for grounded spatial reasoning with Large Language Models (LLMs). In this work, we propose SG^2, an iterative Schema-Guided Scene-Graph reasoning…

Machine Learning · Computer Science 2025-08-12 Yiye Chen , Harpreet Sawhney , Nicholas Gydé , Yanan Jian , Jack Saunders , Patricio Vela , Ben Lundell

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

Graph Neural Networks (GNNs) have attracted increasing attention in recent years and have achieved excellent performance in semi-supervised node classification tasks. The success of most GNNs relies on one fundamental assumption, i.e., the…

Machine Learning · Computer Science 2024-12-03 Junchao Lin , Yuan Wan , Jingwen Xu , Xingchen Qi

In aspect-level sentiment classification (ASC), state-of-the-art models encode either syntax graph or relation graph to capture the local syntactic information or global relational information. Despite the advantages of syntax and relation…

Computation and Language · Computer Science 2022-05-04 Bowen Xing , Ivor Tsang

State-of-the-art models in semantic segmentation primarily operate on single, static images, generating corresponding segmentation masks. This one-shot approach leaves little room for error correction, as the models lack the capability to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Foivos I. Diakogiannis , Suzanne Furby , Peter Caccetta , Xiaoliang Wu , Rodrigo Ibata , Ondrej Hlinka , John Taylor

Scene Graph Generation (SGG) structures visual scenes as graphs of objects and their relations. While Multimodal Large Language Models (MLLMs) have advanced end-to-end SGG, current methods are hindered by both a lack of task-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Jiaye Feng , Qixiang Yin , Yuankun Liu , Tong Mo , Weiping Li

Graph-based Aspect-based Sentiment Classification (ABSC) approaches have yielded state-of-the-art results, expecially when equipped with contextual word embedding from pre-training language models (PLMs). However, they ignore sequential…

Computation and Language · Computer Science 2021-10-04 Zeguan Xiao , Jiarun Wu , Qingliang Chen , Congjian Deng