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AI chatbots have quietly become the world's most popular therapists, coaches, and confidants. Users of cloud-based LLM services are increasingly shifting from simple queries like idea generation and poem writing, to deeply personal…

Human-Computer Interaction · Computer Science 2026-04-08 Max Holschneider , Saetbyeol LeeYouk

The need for a comprehensive study to explore various aspects of online social media has been instigated by many researchers. This paper gives an insight into the social platform, Twitter. In this present work, we have illustrated stepwise…

Social and Information Networks · Computer Science 2021-05-24 Shahab Saquib Sohail , Mohammad Muzammil Khan , M. Afshar Alam

Removing personally identifiable information (PII) from texts is necessary to comply with various data protection regulations and to enable data sharing without compromising privacy. However, recent works show that documents sanitized by…

Computation and Language · Computer Science 2026-03-16 Sebastian Ochs , Ivan Habernal

Internet users have been exposing an increasing amount of Personally Identifiable Information (PII) on social media. Such exposed PII can cause severe losses to the users, and informing users of their PII exposure is crucial to raise their…

Social and Information Networks · Computer Science 2021-11-19 Yizhi Liu , Fang Yu Lin , Mohammadreza Ebrahimi , Weifeng Li , Hsinchun Chen

Retrieving information from social networks is the first and primordial step many data analysis fields such as Natural Language Processing, Sentiment Analysis and Machine Learning. Important data science tasks relay on historical data…

Information Retrieval · Computer Science 2018-03-28 A. Hernandez-Suarez , G. Sanchez-Perez , K. Toscano-Medina , V. Martinez-Hernandez , V. Sanchez , H. Perez-Meana

Web 2.0, social media, cloud computing, and IoT easily connect people around the globe, overcoming time and space barriers, and offering manifold benefits. However, the technological advances and increased user participation generate novel…

In theory, a major advantage to the big data approach in studying online communities is that it should be possible to collect a representative random sample from a broadly defined population. However, in practice, data collection processes…

Social and Information Networks · Computer Science 2021-02-02 Muhammad Umer Gurchani

Defining privacy and related notions such as Personal Identifiable Information (PII) is a central notion in computer science and other fields. The theoretical, technological, and application aspects of PII require a framework that provides…

Computers and Society · Computer Science 2018-03-28 Sabah S. Al-Fedaghi

Because of its willingness to share data with academia and industry, Twitter has been the primary social media platform for scientific research as well as for consulting businesses and governments in the last decade. In recent years, a…

Social and Information Networks · Computer Science 2023-04-12 Juergen Pfeffer , Angelina Mooseder , Jana Lasser , Luca Hammer , Oliver Stritzel , David Garcia

Modern society depends on the flow of information over online social networks, and users of popular platforms generate significant behavioral data about themselves and their social ties. However, it remains unclear what fundamental limits…

Physics and Society · Physics 2019-02-12 James P. Bagrow , Xipei Liu , Lewis Mitchell

Social media data presents AI researchers with overlapping obligations under the GDPR, copyright law, and platform terms -- yet existing frameworks fail to integrate these regulatory domains, leaving researchers without unified guidance. We…

Multimedia · Computer Science 2025-10-17 Nick Oh , Giorgos D. Vrakas , Siân J. M. Brooke , Sasha Morinière , Toju Duke

Personally identifiable information (PII) can find its way into cyberspace through various channels, and many potential sources can leak such information. Data sharing (e.g. cross-agency data sharing) for machine learning and analytics is…

Cryptography and Security · Computer Science 2021-04-22 Pathum Chamikara Mahawaga Arachchige , Peter Bertok , Ibrahim Khalil , Dongxi Liu , Seyit Camtepe

Personal data related to a user's activities, preferences and services, is considered to be a valuable commodity not only for a wide range of technology-oriented companies like Google, Amazon and Apple but also for more traditional…

Cryptography and Security · Computer Science 2018-05-15 James Tapsell , Raja Naeem Akram , Konstantinos Markantonakis

Privacy is of worldwide concern regarding activities and processes that include sensitive data. For this reason, many countries and territories have been recently approving regulations controlling the extent to which organizations may…

Cryptography and Security · Computer Science 2022-04-05 Samuel Sousa , Christian Guetl , Roman Kern

Recent decisions to discontinue access to social media APIs are having detrimental effects on Internet research and the field of computational social science as a whole. This lack of access to data has been dubbed the Post-API era of…

Information Retrieval · Computer Science 2024-11-28 Amrit Poudel , Tim Weninger

With the advent of numerous online content providers, utilities and applications, each with their own specific version of privacy policies and its associated overhead, it is becoming increasingly difficult for concerned users to manage and…

Cryptography and Security · Computer Science 2017-10-17 Agniva Banerjee , Karuna Pande Joshi

Recommender systems have become an integral part of many social networks and extract knowledge from a user's personal and sensitive data both explicitly, with the user's knowledge, and implicitly. This trend has created major privacy…

Cryptography and Security · Computer Science 2018-06-21 Erfan Aghasian , Saurabh Garg , James Montgomery

This systematic literature review investigates perceptions, concerns, and expectations of young digital citizens regarding privacy in artificial intelligence (AI) systems, focusing on social media platforms, educational technology, gaming…

Computers and Society · Computer Science 2025-12-16 Ajay Kumar Shrestha , Ankur Barthwal , Molly Campbell , Austin Shouli , Saad Syed , Sandhya Joshi , Julita Vassileva

Due to instant availability of data on social media platforms like Twitter, and advances in machine learning and data management technology, real-time crisis informatics has emerged as a prolific research area in the last decade. Although…

Information Retrieval · Computer Science 2018-01-19 Mayank Kejriwal , Yao Gu

Online social networking has quickly become one of the most common activities of Internet users. As social networks evolve, they encourage users to share more information, requiring the users, in turn, to place more trust into social…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-02-05 David Isaac Wolinsky , Pierre St. Juste , P. Oscar Boykin , Renato Figueiredo
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