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This work introduces the ClimateSent-GAT Model, an innovative method that integrates Graph Attention Networks (GATs) with techniques from natural language processing to accurately identify and predict disagreements within Reddit…

Computation and Language · Computer Science 2024-07-10 Ruiran Su , Janet B. Pierrehumbert

In order to answer semantically-complicated questions about an image, a Visual Question Answering (VQA) model needs to fully understand the visual scene in the image, especially the interactive dynamics between different objects. We propose…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Linjie Li , Zhe Gan , Yu Cheng , Jingjing Liu

In scene understanding, robotics benefit from not only detecting individual scene instances but also from learning their possible interactions. Human-Object Interaction (HOI) Detection infers the action predicate on a <human, predicate,…

Machine Learning · Computer Science 2021-03-09 Zhijun Liang , Juan Rojas , Junfa Liu , Yisheng Guan

Target-Based Sentiment Analysis aims to detect the opinion aspects (aspect extraction) and the sentiment polarities (sentiment detection) towards them. Both the previous pipeline and integrated methods fail to precisely model the innate…

Computation and Language · Computer Science 2020-04-15 Shu Liu , Wei Li , Yunfang Wu , Qi Su , Xu Sun

We present CID-GraphRAG (Conversational Intent-Driven Graph Retrieval-Augmented Generation), a novel framework that addresses the limitations of existing dialogue systems in maintaining both contextual coherence and goal-oriented…

Artificial Intelligence · Computer Science 2026-02-10 Ziqi Zhu , Tao Hu , Honglong Zhang , Dan Yang , Hangeng Chen , Mengran Zhang , Xilun Chen

In dialogue systems, utterances with similar semantics may have distinctive emotions under different contexts. Therefore, modeling long-range contextual emotional relationships with speaker dependency plays a crucial part in dialogue…

Computation and Language · Computer Science 2022-01-25 Shimin Li , Hang Yan , Xipeng Qiu

Intent detection and identification from multi-turn dialogue has become a widely explored technique in conversational agents, for example, voice assistants and intelligent customer services. The conventional approaches typically cast the…

Artificial Intelligence · Computer Science 2023-10-19 Zengguang Hao , Jie Zhang , Binxia Xu , Yafang Wang , Gerard de Melo , Xiaolong Li

Emotions are an inherent part of human interactions, and consequently, it is imperative to develop AI systems that understand and recognize human emotions. During a conversation involving various people, a person's emotions are influenced…

Computation and Language · Computer Science 2022-05-06 Abhinav Joshi , Ashwani Bhat , Ayush Jain , Atin Vikram Singh , Ashutosh Modi

Emotion recognition has a wide range of applications in human-computer interaction, marketing, healthcare, and other fields. In recent years, the development of deep learning technology has provided new methods for emotion recognition.…

Computation and Language · Computer Science 2025-01-28 Junwei Feng , Xueyan Fan

Human-object interaction(HOI) detection is an important task for understanding human activity. Graph structure is appropriate to denote the HOIs in the scene. Since there is an subordination between human and object---human play subjective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Hai Wang , Wei-Shi Zheng , Ling Yingbiao

Lack of external knowledge makes empathetic dialogue systems difficult to perceive implicit emotions and learn emotional interactions from limited dialogue history. To address the above problems, we propose to leverage external knowledge,…

Computation and Language · Computer Science 2021-12-30 Qintong Li , Piji Li , Zhaochun Ren , Pengjie Ren , Zhumin Chen

Existing sarcasm detection systems focus on exploiting linguistic markers, context, or user-level priors. However, social studies suggest that the relationship between the author and the audience can be equally relevant for the sarcasm…

Computation and Language · Computer Science 2021-10-11 Joan Plepi , Lucie Flek

Reasoning-acting frameworks enhance large language models (LLMs) by interleaving reasoning with actions for dynamic information acquisition. However, extending this paradigm to graph learning remains underexplored. Graph data is inherently…

Artificial Intelligence · Computer Science 2026-05-12 Xingtong Yu , Zhongwei Kuai , Chang Zhou , Xuanting Xie , Renhe Jiang , Xikun Zhang , Hong Cheng , Xinming Zhang , Yuan Fang

Sentence matching is a fundamental task of natural language processing with various applications. Most recent approaches adopt attention-based neural models to build word- or phrase-level alignment between two sentences. However, these…

Computation and Language · Computer Science 2021-10-22 Peng Cui , Le Hu , Yuanchao Liu

Human conversation is organized by an implicit chain of thoughts that manifests as timed speech acts. Capturing this causal pathway is key to building natural full-duplex interactive systems. We introduce a framework that enables reasoning…

Context-aware recommender systems (CARS), which consider rich side information to improve recommendation performance, have caught more and more attention in both academia and industry. How to predict user preferences from diverse contextual…

Information Retrieval · Computer Science 2019-11-19 Yahui Liu , Furao Shen , Jian Zhao

In numerous artificial intelligence applications, the collaborative efforts of multiple intelligent agents are imperative for the successful attainment of target objectives. To enhance coordination among these agents, a distributed…

Machine Learning · Computer Science 2024-11-04 Shengchao Hu , Li Shen , Ya Zhang , Dacheng Tao

Graph Attention Networks (GATs) have emerged as powerful models for learning expressive representations from such data by adaptively weighting neighboring nodes through attention mechanisms. However, most existing approaches primarily rely…

Machine Learning · Computer Science 2026-02-05 Farshad Noravesh , Reza Haffari , Layki Soon , Arghya Pal

Online continual learning for image classification is crucial for models to adapt to new data while retaining knowledge of previously learned tasks. This capability is essential to address real-world challenges involving dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Adjovi Sim , Zhengkui Wang , Aik Beng Ng , Shalini De Mello , Simon See , Wonmin Byeon

Entity-level sentiment classification involves identifying the sentiment polarity linked to specific entities within text. This task poses several challenges: effectively modeling the subtle and complex interactions between entities and…

Computation and Language · Computer Science 2025-10-14 Md. Mithun Hossain , Sanjara , Md. Shakil Hossain , Sudipto Chaki