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Twitter is used for a variety of reasons, including information dissemination, marketing, political organizing and to spread propaganda, spamming, promotion, conversations, and so on. Characterizing these activities and categorizing…

社会与信息网络 · 计算机科学 2011-06-03 Rumi Ghosh , Tawan Surachawala , Kristina Lerman

Social media has recently emerged as a premier method to disseminate information online. Through these online networks, tens of millions of individuals communicate their thoughts, personal experiences, and social ideals. We therefore…

社会与信息网络 · 计算机科学 2016-07-26 Moin Nadeem

Social media, especially Twitter, is being increasingly used for research with predictive analytics. In social media studies, natural language processing (NLP) techniques are used in conjunction with expert-based, manual and qualitative…

计算与语言 · 计算机科学 2020-04-03 Yunpeng Zhao , Mattia Prosperi , Tianchen Lyu , Yi Guo , Jiang Bian

Amid lockdown period more people express their feelings over social media platforms due to closed third-place and academic researchers have witnessed strong associations between the mental healthcare and social media posts. The stress for a…

社会与信息网络 · 计算机科学 2022-08-30 Muskan Garg

In recent times, more and more people are posting about their mental states across various social media platforms. Leveraging this data, AI-based systems can be developed that help in assessing the mental health of individuals, such as…

人机交互 · 计算机科学 2024-12-20 Chayan Tank , Shaina Mehta , Sarthak Pol , Vinayak Katoch , Avinash Anand , Raj Jaiswal , Rajiv Ratn Shah

Text sentiment analysis for preliminary depression status estimation of users on social media is a widely exercised and feasible method, However, the immense variety of users accessing the social media websites and their ample mix of…

计算与语言 · 计算机科学 2020-12-01 Sudhir Kumar Suman , Hrithwik Shalu , Lakshya A Agrawal , Archit Agrawal , Juned Kadiwala

Predictive analysis of social media data has attracted considerable attention from the research community as well as the business world because of the essential and actionable information it can provide. Over the years, extensive…

社会与信息网络 · 计算机科学 2023-09-04 Ugur Kursuncu , Manas Gaur , Usha Lokala , Krishnaprasad Thirunarayan , Amit Sheth , I. Budak Arpinar

Predicting personality is essential for social applications supporting human-centered activities, yet prior modeling methods with users written text require too much input data to be realistically used in the context of social media. In…

社会与信息网络 · 计算机科学 2017-04-20 Pierre-Hadrien Arnoux , Anbang Xu , Neil Boyette , Jalal Mahmud , Rama Akkiraju , Vibha Sinha

The increasing frequency of suicidal thoughts highlights the importance of early detection and intervention. Social media platforms, where users often share personal experiences and seek help, could be utilized to identify individuals at…

计算与语言 · 计算机科学 2024-11-04 Vy Nguyen , Chau Pham

The utility of Twitter data as a medium to support population-level mental health monitoring is not well understood. In an effort to better understand the predictive power of supervised machine learning classifiers and the influence of…

信息检索 · 计算机科学 2017-01-31 Danielle Mowery , Craig Bryan , Mike Conway

Despite detection of suicidal ideation on social media has made great progress in recent years, people's implicitly and anti-real contrarily expressed posts still remain as an obstacle, constraining the detectors to acquire higher…

计算与语言 · 计算机科学 2019-10-29 Lei Cao , Huijun Zhang , Ling Feng , Zihan Wei , Xin Wang , Ningyun Li , Xiaohao He

Doxing refers to the practice of disclosing sensitive personal information about a person without their consent. This form of cyberbullying is an unpleasant and sometimes dangerous phenomenon for online social networks. Although prior work…

社会与信息网络 · 计算机科学 2022-11-15 Younes Karimi , Anna Squicciarini , Shomir Wilson

Gang violence is a severe issue in major cities across the U.S. and recent studies [Patton et al. 2017] have found evidence of social media communications that can be linked to such violence in communities with high rates of exposure to…

While social networks can provide an ideal platform for up-to-date information from individuals across the world, it has also proved to be a place where rumours fester and accidental or deliberate misinformation often emerges. In this…

Suicide is a critical global health issue that requires urgent attention. Even though prior work has revealed valuable insights into detecting current suicide risk on social media, little attention has been paid to developing models that…

计算与语言 · 计算机科学 2025-07-15 Jun Li , Xiangmeng Wang , Haoyang Li , Yifei Yan , Hong Va Leong , Ling Feng , Nancy Xiaonan Yu , Qing Li

We investigate different strategies for automatic offensive language classification on German Twitter data. For this, we employ a sequentially combined BiLSTM-CNN neural network. Based on this model, three transfer learning tasks to improve…

计算与语言 · 计算机科学 2018-11-08 Gregor Wiedemann , Eugen Ruppert , Raghav Jindal , Chris Biemann

With a surge in identifying suicidal risk and its severity in social media posts, we argue that a more consequential and explainable research is required for optimal impact on clinical psychology practice and personalized mental healthcare.…

计算与语言 · 计算机科学 2023-05-31 Muskan Garg , Amirmohammad Shahbandegan , Amrit Chadha , Vijay Mago

Suicide is a critical issue in modern society. Early detection and prevention of suicide attempts should be addressed to save people's life. Current suicidal ideation detection methods include clinical methods based on the interaction…

计算机与社会 · 计算机科学 2021-02-02 Shaoxiong Ji , Shirui Pan , Xue Li , Erik Cambria , Guodong Long , Zi Huang

In this paper we present a method to identify tweets that a user may find interesting enough to retweet. The method is based on a global, but personalized classifier, which is trained on data from several users, represented in terms of…

社会与信息网络 · 计算机科学 2017-09-20 Michail Vougioukas , Ion Androutsopoulos , Georgios Paliouras

Privacy preserving networks can be modelled as decentralized networks (e.g., sensors, connected objects, smartphones), where communication between nodes of the network is not controlled by an all-knowing, central node. For this type of…

机器学习 · 统计学 2016-10-06 Igor Colin , Christophe Dupuy