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相关论文: Multimodal Categorization of Crisis Events in Soci…

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Advances in social media data dissemination enable the provision of real-time information during a crisis. The information comes from different classes, such as infrastructure damages, persons missing or stranded in the affected zone, etc.…

计算与语言 · 计算机科学 2026-03-20 Thi Huyen Nguyen , Koustav Rudra , Wolfgang Nejdl

Social media has become an integral part of our daily lives. During time-critical events, the public shares a variety of posts on social media including reports for resource needs, damages, and help offerings for the affected community.…

社会与信息网络 · 计算机科学 2019-11-04 Ganesh Nalluru , Rahul Pandey , Hemant Purohit

Social networks can be a valuable source of information during crisis events. In particular, users can post a stream of multimodal data that can be critical for real-time humanitarian response. However, effectively extracting meaningful…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Nusrat Munia , Junfeng Zhu , Olfa Nasraoui , Abdullah-Al-Zubaer Imran

This paper introduces a novel approach for multimodal sentiment analysis on social media, particularly in the context of natural disasters, where understanding public sentiment is crucial for effective crisis management. Unlike conventional…

机器学习 · 计算机科学 2025-08-20 Meriem Zerkouk , Miloud Mihoubi , Belkacem Chikhaoui

Multimedia content in social media platforms provides significant information during disaster events. The types of information shared include reports of injured or deceased people, infrastructure damage, and missing or found people, among…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Ferda Ofli , Firoj Alam , Muhammad Imran

Pervasive use of social media has become the emerging source for real-time information (like images, text, or both) to identify various events. Despite the rapid growth of image and text-based event classification, the state-of-the-art…

机器学习 · 计算机科学 2024-01-15 Shubham Gupta , Nandini Saini , Suman Kundu , Debasis Das

Social media is accompanied by an increasing proportion of content that provides fake information or misleading content, known as information disorder. In this paper, we study the problem of multimodal fake news detection on a largescale…

信息检索 · 计算机科学 2021-06-01 Armin Kirchknopf , Djordje Slijepcevic , Matthias Zeppelzauer

Event detection has been one of the most important research topics in social media analysis. Most of the traditional approaches detect events based on fixed temporal and spatial resolutions, while in reality events of different scales…

社会与信息网络 · 计算机科学 2015-08-31 Xiaowen Dong , Dimitrios Mavroeidis , Francesco Calabrese , Pascal Frossard

Classification of social media data is an important approach in understanding user behavior on the Web. Although information on social media can be of different modalities such as texts, images, audio or videos, traditional approaches in…

计算与语言 · 计算机科学 2017-08-08 Chi Thang Duong , Remi Lebret , Karl Aberer

Amid a tidal wave of misinformation flooding social media during elections and crises, extensive research has been conducted on misinformation detection, primarily focusing on text-based or image-based approaches. However, only a few…

机器学习 · 计算机科学 2025-07-04 Gautam Kishore Shahi

With the rapid proliferation of information across digital platforms, stance detection has emerged as a pivotal challenge in social media analysis. While most of the existing approaches focus solely on textual data, real-world social media…

计算机视觉与模式识别 · 计算机科学 2025-09-11 Lata Pangtey , Omkar Kabde , Shahid Shafi Dar , Nagendra Kumar

As social media platforms are evolving from text-based forums into multi-modal environments, the nature of misinformation in social media is also transforming accordingly. Taking advantage of the fact that visual modalities such as images…

机器学习 · 计算机科学 2024-09-19 Sara Abdali , Sina shaham , Bhaskar Krishnamachari

Detecting multimodal misinformation on social media remains challenging due to inconsistencies between modalities, changes in temporal patterns, and substantial class imbalance. Many existing methods treat posts independently and fail to…

计算与语言 · 计算机科学 2025-08-18 Ahmad Mousavi , Yeganeh Abdollahinejad , Roberto Corizzo , Nathalie Japkowicz , Zois Boukouvalas

Images shared on social media help crisis managers gain situational awareness and assess incurred damages, among other response tasks. As the volume and velocity of such content are typically high, real-time image classification has become…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Firoj Alam , Tanvirul Alam , Muhammad Imran , Ferda Ofli

In times of crisis, the prompt and precise classification of disaster-related information shared on social media platforms is crucial for effective disaster response and public safety. During such critical events, individuals use social…

计算机与社会 · 计算机科学 2025-10-21 Shahid Shafi Dar , Mohammad Zia Ur Rehman , Karan Bais , Mohammed Abdul Haseeb , Nagendra Kumara

This paper explores the development of a multimodal sentiment analysis model that integrates text, audio, and visual data to enhance sentiment classification. The goal is to improve emotion detection by capturing the complex interactions…

计算与语言 · 计算机科学 2025-01-15 Hui Lee , Singh Suniljit , Yong Siang Ong

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient response. Although significant progress has been made on event…

社会与信息网络 · 计算机科学 2020-02-12 Yi Han , Shanika Karunasekera , Christopher Leckie

The paper presents our proposed solutions for the MediaEval 2020 Flood-Related Multimedia Task, which aims to analyze and detect flooding events in multimedia content shared over Twitter. In total, we proposed four different solutions…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Firoj Alam , Zohaib Hassan , Kashif Ahmad , Asma Gul , Michael Reiglar , Nicola Conci , Ala AL-Fuqaha

In this paper, we study the challenges of detecting events on social media, where traditional unimodal systems struggle due to the rapid and multimodal nature of data dissemination. We employ a range of models, including unimodal ModernBERT…

Event detection on social media has attracted a number of researches, given the recent availability of large volumes of social media discussions. Previous works on social media event detection either assume a specific type of event, or…

信息检索 · 计算机科学 2021-06-07 Yihong Zhang , Masumi Shirakawa , Takahiro Hara
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