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相关论文: Spatio-Temporal Sentiment Hotspot Detection Using …

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Emotion detection is pivotal in human communication, as it significantly influences behavior, relationships, and decision-making processes. This study concentrates on text-based emotion detection by leveraging the GoEmotions dataset, which…

计算与语言 · 计算机科学 2024-11-18 Maliheh Alaeddini

This paper delves into enhancing the classification performance on the GoEmotions dataset, a large, manually annotated dataset for emotion detection in text. The primary goal of this paper is to address the challenges of detecting subtle…

计算与语言 · 计算机科学 2024-04-10 Kaipeng Wang , Zhi Jing , Yongye Su , Yikun Han

We present a model to predict fine-grained emotions along the continuous dimensions of valence, arousal, and dominance (VAD) with a corpus with categorical emotion annotations. Our model is trained by minimizing the EMD (Earth Mover's…

计算与语言 · 计算机科学 2021-09-13 Sungjoon Park , Jiseon Kim , Seonghyeon Ye , Jaeyeol Jeon , Hee Young Park , Alice Oh

This paper concerns the data-driven sensor deployment problem in large spatiotemporal fields. Traditionally, sensor deployment strategies have been heavily dependent on model-based planning approaches. However, model-based approaches do not…

信号处理 · 电气工程与系统科学 2022-01-04 Jiahong Chen

There has been much recent work on image captioning models that describe the factual aspects of an image. Recently, some models have incorporated non-factual aspects into the captions, such as sentiment or style. However, such models…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Omid Mohamad Nezami , Mark Dras , Stephen Wan , Cecile Paris

Social Media offer a vast amount of geo-located and time-stamped textual content directly generated by people. This information can be analysed to obtain insights about the general state of a large population of users and to address…

社会与信息网络 · 计算机科学 2013-04-22 Vasileios Lampos , Thomas Lansdall-Welfare , Ricardo Araya , Nello Cristianini

This paper introduces a spatiotemporal analysis framework for estimating hourly changing population distribution in urban areas using geo-tagged tweets (the messages containing users' physical locations), land use data, and dasymetric maps.…

物理与社会 · 物理学 2018-10-17 Ming-Hsiang Tsou , Hao Zhang , Atsushi Nara , Su Yeon Han

Visual multimedia have become an inseparable part of our digital social lives, and they often capture moments tied with deep affections. Automated visual sentiment analysis tools can provide a means of extracting the rich feelings and…

计算机视觉与模式识别 · 计算机科学 2017-01-30 Victor Campos , Brendan Jou , Xavier Giro-i-Nieto

Consumer electronic devices such as mobile handsets, goods tagged with RFID labels, location and position sensors are continuously generating a vast amount of location enriched data called geospatial data. Conventionally such geospatial…

人工智能 · 计算机科学 2020-09-01 Arvind W. Kiwelekar , Geetanjali S. Mahamunkar , Laxman D. Netak , Valmik B Nikam

The problem visual place recognition is commonly used strategy for localization. Most successful appearance based methods typically rely on a large database of views endowed with local or global image descriptors and strive to retrieve the…

计算机视觉与模式识别 · 计算机科学 2016-09-02 Arsalan Mousavian , Jana Kosecka

This paper describes our deep learning-based approach to sentiment analysis in Twitter as part of SemEval-2016 Task 4. We use a convolutional neural network to determine sentiment and participate in all subtasks, i.e. two-point,…

计算与语言 · 计算机科学 2016-09-12 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

Deep spatiotemporal models are used in a variety of computer vision tasks, such as action recognition and video object segmentation. Currently, there is a limited understanding of what information is captured by these models in their…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Matthew Kowal , Mennatullah Siam , Md Amirul Islam , Neil D. B. Bruce , Richard P. Wildes , Konstantinos G. Derpanis

We propose a latent self-exciting point process model that describes geographically distributed interactions between pairs of entities. In contrast to most existing approaches that assume fully observable interactions, here we consider a…

社会与信息网络 · 计算机科学 2014-05-02 Yoon-Sik Cho , Aram Galstyan , P. Jeffrey Brantingham , George Tita

Target-based sentiment analysis involves opinion target extraction and target sentiment classification. However, most of the existing works usually studied one of these two sub-tasks alone, which hinders their practical use. This paper aims…

计算与语言 · 计算机科学 2019-02-12 Xin Li , Lidong Bing , Piji Li , Wai Lam

Sentiment classification involves quantifying the affective reaction of a human to a document, media item or an event. Although researchers have investigated several methods to reliably infer sentiment from lexical, speech and body language…

信息检索 · 计算机科学 2018-06-11 Rahul Gupta , Saurabh Sahu , Carol Espy-Wilson , Shrikanth Narayanan

Electroencephalogram (EEG)-based emotion decoding can objectively quantify people's emotional state and has broad application prospects in human-computer interaction and early detection of emotional disorders. Recently emerging deep…

人机交互 · 计算机科学 2024-11-08 Xinke Shen , Runmin Gan , Kaixuan Wang , Shuyi Yang , Qingzhu Zhang , Quanying Liu , Dan Zhang , Sen Song

In many real-world applications, such as customer feedback monitoring, brand reputation management, and product health tracking, understanding the temporal dynamics of user sentiment is crucial for early detection of anomalous events such…

计算与语言 · 计算机科学 2026-04-02 Yalun Qi , Sichen Zhao , Zhiming Xue , Xianling Zeng , Zihan Yu

Compared with traditional news media, social media nowadays provides a richer and more timely source of news. We are interested in multi-spatial level event detection from geo-tagged tweet streams. Specifically, in this paper we (1) examine…

社会与信息网络 · 计算机科学 2019-08-22 Yi Han , Shanika Karunasekera , Christopher Leckie , Aaron Harwood

Emotion recognition has become an important field of research in Human Computer Interactions as we improve upon the techniques for modelling the various aspects of behaviour. With the advancement of technology our understanding of emotions…

人工智能 · 计算机科学 2019-11-11 Samarth Tripathi , Sarthak Tripathi , Homayoon Beigi

Sentiment analysis, a popular technique for opinion mining, has been used by the software engineering research community for tasks such as assessing app reviews, developer emotions in issue trackers and developer opinions on APIs. Past…

计算与语言 · 计算机科学 2018-12-27 Achyudh Ram , Meiyappan Nagappan
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