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Due to their inherent capability in semantic alignment of aspects and their context words, attention mechanism and Convolutional Neural Networks (CNNs) are widely applied for aspect-based sentiment classification. However, these models lack…

Computation and Language · Computer Science 2019-10-15 Chen Zhang , Qiuchi Li , Dawei Song

Aspect-level sentiment classification aims to identify the sentiment polarity towards a specific aspect term in a sentence. Most current approaches mainly consider the semantic information by utilizing attention mechanisms to capture the…

Computation and Language · Computer Science 2021-02-12 Xiaochen Hou , Jing Huang , Guangtao Wang , Xiaodong He , Bowen Zhou

Aspect-level sentiment classification aims to distinguish the sentiment polarities over one or more aspect terms in a sentence. Existing approaches mostly model different aspects in one sentence independently, which ignore the sentiment…

Computation and Language · Computer Science 2019-06-12 Pinlong Zhaoa , Linlin Houb , Ou Wua

Aspect-based sentiment analysis (ABSA) is dedicated to forecasting the sentiment polarity of aspect terms within sentences. Employing graph neural networks to capture structural patterns from syntactic dependency parsing has been confirmed…

Computation and Language · Computer Science 2023-11-09 Xusheng Zhao , Hao Peng , Qiong Dai , Xu Bai , Huailiang Peng , Yanbing Liu , Qinglang Guo , Philip S. Yu

Aspect-based sentiment analysis seeks to determine sentiment with a high level of detail. While graph convolutional networks (GCNs) are commonly used for extracting sentiment features, their straightforward use in syntactic feature…

Computation and Language · Computer Science 2025-03-18 Chen Li , Debo Cheng , Yasuhiko Morimoto

In this paper, we describe a reproduction of the Relational Graph Convolutional Network (RGCN). Using our reproduction, we explain the intuition behind the model. Our reproduction results empirically validate the correctness of our…

Machine Learning · Computer Science 2022-11-10 Thiviyan Thanapalasingam , Lucas van Berkel , Peter Bloem , Paul Groth

Emotion recognition in conversation (ERC) has received much attention, lately, from researchers due to its potential widespread applications in diverse areas, such as health-care, education, and human resources. In this paper, we present…

Computation and Language · Computer Science 2019-09-02 Deepanway Ghosal , Navonil Majumder , Soujanya Poria , Niyati Chhaya , Alexander Gelbukh

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Knowledge graphs enable a wide variety of applications, including question answering and information retrieval. Despite the great effort invested in their creation and maintenance, even the largest (e.g., Yago, DBPedia or Wikidata) remain…

Machine Learning · Statistics 2017-10-30 Michael Schlichtkrull , Thomas N. Kipf , Peter Bloem , Rianne van den Berg , Ivan Titov , Max Welling

Nowadays, with the explosive growth of multimodal reviews on social media platforms, multimodal sentiment analysis has recently gained popularity because of its high relevance to these social media posts. Although most previous studies…

Computation and Language · Computer Science 2022-01-26 Luwei Xiao , Xingjiao Wu , Wen Wu , Jing Yang , Liang He

This paper addresses the problem of sentence-level sentiment analysis. In recent years, Convolution and Recursive Neural Networks have been proven to be effective network architecture for sentence-level sentiment analysis. Nevertheless,…

Computation and Language · Computer Science 2018-01-30 Vinh D. Van , Thien Thai , Minh-Quoc Nghiem

Aspect-based sentiment analysis aims to determine the sentiment polarity towards a specific aspect in online reviews. Most recent efforts adopt attention-based neural network models to implicitly connect aspects with opinion words. However,…

Computation and Language · Computer Science 2020-04-28 Kai Wang , Weizhou Shen , Yunyi Yang , Xiaojun Quan , Rui Wang

We present a novel Multi-Relational Graph Convolutional Network (MRGCN) based framework to model on-road vehicle behaviors from a sequence of temporally ordered frames as grabbed by a moving monocular camera. The input to MRGCN is a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Sravan Mylavarapu , Mahtab Sandhu , Priyesh Vijayan , K Madhava Krishna , Balaraman Ravindran , Anoop Namboodiri

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

Implicit discourse relation classification is of great importance for discourse parsing, but remains a challenging problem due to the absence of explicit discourse connectives communicating these relations. Modeling the semantic…

Computation and Language · Computer Science 2019-10-22 Yingxue Zhang , Ping Jian , Fandong Meng , Ruiying Geng , Wei Cheng , Jie Zhou

We propose a novel scene graph generation model called Graph R-CNN, that is both effective and efficient at detecting objects and their relations in images. Our model contains a Relation Proposal Network (RePN) that efficiently deals with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Jianwei Yang , Jiasen Lu , Stefan Lee , Dhruv Batra , Devi Parikh

Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

Computation and Language · Computer Science 2020-09-02 Ukachi Osisiogu

Emotion recognition in conversation (ERC) has received increasing attention from researchers due to its wide range of applications.As conversation has a natural graph structure,numerous approaches used to model ERC based on graph…

Artificial Intelligence · Computer Science 2023-09-01 Lin Yuan , Guoheng Huang , Fenghuan Li , Xiaochen Yuan , Chi-Man Pun , Guo Zhong

Modern recommender systems (RS) work by processing a number of signals that can be inferred from large sets of user-item interaction data. The main signal to analyze stems from the raw matrix that represents interactions. However, we can…

Information Retrieval · Computer Science 2021-03-08 Paula Gómez Duran , Alexandros Karatzoglou , Jordi Vitrià , Xin Xin , Ioannis Arapakis

Using knowledge graphs to assist deep learning models in making recommendation decisions has recently been proven to effectively improve the model's interpretability and accuracy. This paper introduces an end-to-end deep learning model,…

Information Retrieval · Computer Science 2024-04-11 Chen Li , Yang Cao , Ye Zhu , Debo Cheng , Chengyuan Li , Yasuhiko Morimoto
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