Virgílio A. F. Almeida

Orcid: 0000-0001-6452-0361

Affiliations:
  • Federal University of Minas Gerais, Belo Horizonte, Brazil


According to our database1, Virgílio A. F. Almeida authored at least 190 papers between 1981 and 2024.

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Bibliography

2024
How Do Illiterate People Interact with an Intelligent Voice Assistant?
Int. J. Hum. Comput. Interact., February, 2024

The Role of Computer Science in Responsible AI Governance.
IEEE Internet Comput., 2024

Examining the Behavior of LLM Architectures Within the Framework of Standardized National Exams in Brazil.
CoRR, 2024

Characterizing Collective Attention on Online Chats: A Three-Pronged Approach.
Proceedings of the Web Information Systems Engineering - WISE 2024, 2024

Topic Shifts as a Proxy for Assessing Politicization in Social Media.
Proceedings of the Eighteenth International AAAI Conference on Web and Social Media, 2024

2023
The Infrapolitics of Algorithmic Resistance.
Commun. ACM, November, 2023

Governing Artificial Intelligence Through a Sociotechnical Lens.
IEEE Internet Comput., 2023

On the Development of AI Governance Frameworks.
IEEE Internet Comput., 2023

2022
Measuring International Online Human Values with Word Embeddings.
ACM Trans. Web, 2022

Algorithms and Institutions: How Can Social Sciences Can Contribute to Governance of Algorithms.
IEEE Internet Comput., 2022

Futures of digital governance.
Commun. ACM, 2022

Analyzing the "Sleeping Giants" Activism Model in Brazil.
Proceedings of the WebSci '22: 14th ACM Web Science Conference 2022, Barcelona, Spain, June 26, 2022

Characterizing Vaccination Movements on YouTube in the United States and Brazil.
Proceedings of the HT '22: 33rd ACM Conference on Hypertext and Social Media, 2022

2021
Understanding the Impact of the Alphabetical Ordering of Names in User Interfaces.
SN Comput. Sci., 2021

The Ecosystem of Digital Content Governance.
IEEE Internet Comput., 2021

Follow the Money: Analyzing @slpng_giants_pt's Strategy to Combat Misinformation.
CoRR, 2021

Analyzing topic attention in online small groups.
Proceedings of the ASONAM '21: International Conference on Advances in Social Networks Analysis and Mining, Virtual Event, The Netherlands, November 8, 2021

2020
Digital Governance and the Tragedy of the Commons.
IEEE Internet Comput., 2020

Personal Digital Assistants: The Need for Governance.
IEEE Internet Comput., 2020

Understanding the impact of the alphabetical ordering of names in user interfaces: a gender bias analysis.
CoRR, 2020

Welcome.
Commun. ACM, 2020

Auditing radicalization pathways on YouTube.
Proceedings of the FAT* '20: Conference on Fairness, 2020

2019
Cyber Peace and Cyber Stability: Taking the Norm Road to Stability.
IEEE Internet Comput., 2019

Principles and Elements of Governance of Digital Public Services.
IEEE Internet Comput., 2019

Empirical Analysis of Bias in Voice-based Personal Assistants.
Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

Characterizing Attention Cascades in WhatsApp Groups.
Proceedings of the 11th ACM Conference on Web Science, 2019

Discrimination analysis of intelligent voice assistants.
Proceedings of the 18th Brazilian Symposium on Human Factors in Computing Systems, 2019

A Framework for Benchmarking Discrimination-Aware Models in Machine Learning.
Proceedings of the 2019 AAAI/ACM Conference on AI, Ethics, and Society, 2019

2018
Humane Smart Cities: The Need for Governance.
IEEE Internet Comput., 2018

Analyzing and characterizing political discussions in WhatsApp public groups.
CoRR, 2018

"Like Sheep Among Wolves": Characterizing Hateful Users on Twitter.
CoRR, 2018

Analyzing Right-wing YouTube Channels: Hate, Violence and Discrimination.
Proceedings of the 10th ACM Conference on Web Science, 2018

Fake News as We Feel It: Perception and Conceptualization of the Term "Fake News" in the Media.
Proceedings of the Social Informatics, 2018

Characterizing and Detecting Hateful Users on Twitter.
Proceedings of the Twelfth International Conference on Web and Social Media, 2018

Characterizing the Public Perception of WhatsApp through the Lens of Media.
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), 2018

2017
A Layered Model for AI Governance.
IEEE Internet Comput., 2017

A Principles-Based Approach to Govern the IoT Ecosystem.
IEEE Internet Comput., 2017

Cyberwarfare and Digital Governance.
IEEE Internet Comput., 2017

"Everything I Disagree With is #FakeNews": Correlating Political Polarization and Spread of Misinformation.
CoRR, 2017

Characterizing Videos, Audience and Advertising in Youtube Channels for Kids.
Proceedings of the Social Informatics, 2017

2016
The Right to be Forgotten in the Media: A Data-Driven Study.
Proc. Priv. Enhancing Technol., 2016

What Is Algorithm Governance?
IEEE Internet Comput., 2016

How Do App Stores Challenge the Global Internet Governance Ecosystem?
IEEE Internet Comput., 2016

Whither Social Media Governance?
IEEE Internet Comput., 2016

Stereotypes in Search Engine Answers: Local or Global?
CoRR, 2016

Identifying Stereotypes in the Online Perception of Physical Attractiveness.
Proceedings of the Social Informatics - 8th International Conference, 2016

Faster: A Low Overhead Framework for Massive Data Analysis.
Proceedings of the IEEE/ACM 16th International Symposium on Cluster, 2016

2015
The Internet Governance Ecosystem and the Rainforest.
IEEE Internet Comput., 2015

Privacy Governance in Cyberspace.
IEEE Internet Comput., 2015

The Origin and Evolution of Multistakeholder Models.
IEEE Internet Comput., 2015

Governance Challenges for the Internet of Things.
IEEE Internet Comput., 2015

Brazil Around the World: Characterizing and Detecting Brazilian Emigrants Using Google+.
Proceedings of the 21st Brazilian Symposium on Multimedia and the Web, 2015

Dawn of the Selfie Era: The Whos, Wheres, and Hows of Selfies on Instagram.
Proceedings of the 2015 ACM on Conference on Online Social Networks, 2015

2014
The 25th ACM International Conference on Hypertext and Social Media.
SIGWEB Newsl., 2014

The Evolution of Internet Governance: Lessons Learned from NETmundial.
IEEE Internet Comput., 2014

The impact of visual attributes on online image diffusion.
Proceedings of the ACM Web Science Conference, 2014

Noticing the other gender on Google+.
Proceedings of the ACM Web Science Conference, 2014

Lightweight Contextual Ranking of City Pictures: Urban Sociology to the Rescue.
Proceedings of the Eighth International Conference on Weblogs and Social Media, 2014

Of Pins and Tweets: Investigating How Users Behave Across Image- and Text-Based Social Networks.
Proceedings of the Eighth International Conference on Weblogs and Social Media, 2014

How you post is who you are: characterizing google+ status updates across social groups.
Proceedings of the 25th ACM Conference on Hypertext and Social Media, 2014

2013
Analytical Performance Models for MapReduce Workloads.
Int. J. Parallel Program., 2013

uTrack: track yourself! monitoring information on online social media.
Proceedings of the 22nd International World Wide Web Conference, 2013

Psychological maps 2.0: a web engagement enterprise starting in London.
Proceedings of the 22nd International World Wide Web Conference, 2013

Exploring very large data sets from online social networks.
Proceedings of the 22nd International World Wide Web Conference, 2013

Ladies First: Analyzing Gender Roles and Behaviors in Pinterest.
Proceedings of the Seventh International Conference on Weblogs and Social Media, 2013

2012
Practical Detection of Spammers and Content Promoters in Online Video Sharing Systems.
IEEE Trans. Syst. Man Cybern. Part B, 2012

Forecasting in the NBA and other team sports: Network effects in action.
ACM Trans. Knowl. Discov. Data, 2012

Sentiment-based influence detection on Twitter.
J. Braz. Comput. Soc., 2012

Characterizing user navigation and interactions in online social networks.
Inf. Sci., 2012

Privacy Problems in the Online World.
IEEE Internet Comput., 2012

Tips, dones and todos: uncovering user profiles in foursquare.
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, 2012

Um sistema de alarme para vigilância epidemiológica de rumores utilizando redes sociais.
Proceedings of the XXVII Simpósio Brasileiro de Banco de Dados, 2012

Finding trendsetters in information networks.
Proceedings of the 18th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2012

New kid on the block: exploring the google+ social graph.
Proceedings of the 12th ACM SIGCOMM Internet Measurement Conference, 2012

Facebook and Privacy: The Balancing Act of Personality, Gender, and Relationship Currency.
Proceedings of the Sixth International Conference on Weblogs and Social Media, 2012

Beware of What You Share: Inferring Home Location in Social Networks.
Proceedings of the 12th IEEE International Conference on Data Mining Workshops, 2012

We know where you live: privacy characterization of foursquare behavior.
Proceedings of the 2012 ACM Conference on Ubiquitous Computing, 2012

A gender based study of tagging behavior in twitter.
Proceedings of the 23rd ACM Conference on Hypertext and Social Media, 2012

Understanding factors that affect response rates in twitter.
Proceedings of the 23rd ACM Conference on Hypertext and Social Media, 2012

Studying User Footprints in Different Online Social Networks.
Proceedings of the International Conference on Advances in Social Networks Analysis and Mining, 2012

2011
Exploiting Temporal Locality to Determine User Bias in Microblogging Platforms.
J. Inf. Data Manag., 2011

Mining redundant industrial alarm occurrences with association rules extraction and complex networks modeling.
J. Comput. Methods Sci. Eng., 2011

Internet Workloads: Measurement, Characterization, and Modeling.
IEEE Internet Comput., 2011

Dengue surveillance based on a computational model of spatio-temporal locality of Twitter.
Proceedings of the Web Science 2011, 2011

Cross-Pollination of Information in Online Social Media: A Case Study on Popular Social Networks.
Proceedings of the PASSAT/SocialCom 2011, Privacy, 2011

Modeling the Performance of the Hadoop Online Prototype.
Proceedings of the 23rd International Symposium on Computer Architecture and High Performance Computing, 2011

From bias to opinion: a transfer-learning approach to real-time sentiment analysis.
Proceedings of the 17th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2011

Characterizing Interactions among Members of Deaf Communities in Orkut.
Proceedings of the Human-Computer Interaction - INTERACT 2011, 2011

On word-of-mouth based discovery of the web.
Proceedings of the 11th ACM SIGCOMM Internet Measurement Conference, 2011

Robot routing in sparse wireless sensor networks with continuous ant colony optimization.
Proceedings of the 13th Annual Genetic and Evolutionary Computation Conference, 2011

2010
Quantifying the sustainability impact of data center availability.
SIGMETRICS Perform. Evaluation Rev., 2010

Joint admission control and resource allocation in virtualized servers.
J. Parallel Distributed Comput., 2010

Characterization and Analysis of User Profiles in Online Video Sharing Systems.
J. Inf. Data Manag., 2010

Equal but different: a contextual analysis of duplicated videos on YouTube.
J. Braz. Comput. Soc., 2010

On Popularity in the Blogosphere.
IEEE Internet Comput., 2010

Video Pollution on the Web.
First Monday, 2010

Capacity Planning for Vertical Search Engines
CoRR, 2010

2009
Video interactions in online video social networks.
ACM Trans. Multim. Comput. Commun. Appl., 2009

Feature - In search of models and visions for the web age.
Interactions, 2009

Quantifying Social and Opportunistic Behavior in Email Networks.
Adv. Complex Syst., 2009

Seller's credibility in electronic markets: a complex network based approach.
Proceedings of the 3rd ACM Workshop on Information Credibility on the Web, 2009

Analyzing seller practices in a Brazilian marketplace.
Proceedings of the 18th International Conference on World Wide Web, 2009

A geographical analysis of knowledge production in computer science.
Proceedings of the 18th International Conference on World Wide Web, 2009

A contextual analysis of the YouTube duplicate content.
Proceedings of the XV Brazilian Symposium on Multimedia and the Web, 2009

Characterizing use and quality of textual attributes in Web 2.0 applications.
Proceedings of the XV Brazilian Symposium on Multimedia and the Web, 2009

Evaluation of users access and navigation profiles on web video sharing environments.
Proceedings of the XV Brazilian Symposium on Multimedia and the Web, 2009

Quantifying the Impact of Information Aggregation on Complex Networks: A Temporal Perspective.
Proceedings of the Algorithms and Models for the Web-Graph, 6th International Workshop, 2009

Detecting spammers and content promoters in online video social networks.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Characterizing user behavior in online social networks.
Proceedings of the 9th ACM SIGCOMM Internet Measurement Conference, IMC 2009, Chicago, 2009

Characterizing Mobility and Contact Networks in Virtual Worlds.
Proceedings of the Facets of Virtual Environments - First International Conference, 2009

2008
Characterizing Video Responses in Social Networks
CoRR, 2008

Detectando usuários maliciosos em interações via vídeos no YouTube.
Proceedings of the 14th Brazilian Symposium on Multimedia and Web Systems, 2008

Identifying user behavior in online social networks.
Proceedings of the 1st Workshop on Social Network Systems, 2008

Analyzing the impact of churn and malicious behavior on the quality of peer-to-peer web search.
Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

Fourth special track on Trust, Recommendations, Evidence and other Collaboration Know-how (TRECK'08): editorial message.
Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

Analyzing security and energy tradeoffs in autonomic capacity management.
Proceedings of the IEEE/IFIP Network Operations and Management Symposium: Pervasive Management for Ubioquitous Networks and Services, 2008

Understanding video interactions in youtube.
Proceedings of the 16th International Conference on Multimedia 2008, 2008

Characterizing On/Off Pattern of Broadband Internet Users.
Proceedings of the Latin American Web Conference, 2008

Can complex network metrics predict the behavior of NBA teams?
Proceedings of the 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2008

Identifying video spammers in online social networks.
Proceedings of the AIRWeb 2008, 2008

2007
Workload models of spam and legitimate e-mails.
Perform. Evaluation, 2007

Fighting pollution dissemination in peer-to-peer networks.
Proceedings of the 2007 ACM Symposium on Applied Computing (SAC), 2007

Pricing Broadband Internet Adaptive Services.
Proceedings of the 15th International Symposium on Modeling, 2007

Geographical Characterization of YouTube: a Latin American View.
Proceedings of the Fifth Latin American Web Congress (LA-Web 2007), 31 October, 2007

Self-Adaptive Capacity Management for Multi-Tier Virtualized Environments.
Proceedings of the Integrated Network Management, 2007

Traffic Characteristics and Communication Patterns in Blogosphere.
Proceedings of the First International Conference on Weblogs and Social Media, 2007

2006
A hierarchical characterization of a live streaming media workload.
IEEE/ACM Trans. Netw., 2006

Increasing QoS in Selfish Overlay Networks.
IEEE Internet Comput., 2006

Impact of peer incentives on the dissemination of polluted content.
Proceedings of the 2006 ACM Symposium on Applied Computing (SAC), 2006

Self-Adaptive SLA-Driven Capacity Management for Internet Services.
Proceedings of the Management of Integrated End-to-End Communications and Services, 2006

Locality of Reference in an Hierarchy of Web Caches.
Proceedings of the NETWORKING 2006, 2006

Performance Models for Virtualized Applications.
Proceedings of the Frontiers of High Performance Computing and Networking, 2006

Resource Management in the Autonomic Service-Oriented Architecture.
Proceedings of the 3rd International Conference on Autonomic Computing, 2006

Pricing residential broadband internet.
Proceedings of the 2006 ACM Conference on Emerging Network Experiment and Technology, 2006

2005
Locality in a web of streams.
Commun. ACM, 2005

Improving Spam Detection Based on Structural Similarity.
Proceedings of the Steps to Reducing Unwanted Traffic on the Internet Workshop, 2005

Web Cache Replacement Policies: Properties, Limitations and Implications.
Proceedings of the Third Latin American Web Congress (LA-Web 2005), 1 October, 2005

Keynote: Performance, Availability and Security in Web Design.
Proceedings of the Web Engineering, 5th International Conference, 2005

Comparative Graph Theoretical Characterization of Networks of Spam.
Proceedings of the CEAS 2005, 2005

A Self-Managing Approach to Enterprise Application Performance.
Proceedings of the Advanced Information Systems Engineering, 17th International Conference, 2005

2004
A characterization of broadband user behavior and their e-business activities.
SIGMETRICS Perform. Evaluation Rev., 2004

A community-aware search engine.
Proceedings of the 13th international conference on World Wide Web, 2004

Using locality of reference to improve performance of peer-to-peer applications.
Proceedings of the Fourth International Workshop on Software and Performance, 2004

MASKS: Managing Anonymity while Sharing Knowledge to Servers.
Proceedings of the Security and Protection in Information Processing Systems, 2004

Flow Clustering: A New Approach to Semantic Traffic Characterization.
Proceedings of the MMB & PGTS 2004, 2004

Characterizing a spam traffic.
Proceedings of the 4th ACM SIGCOMM Internet Measurement Conference, 2004

Performance by Design - Computer Capacity Planning By Example.
Prentice Hall, ISBN: 978-0-13-090673-1, 2004

2003
A hierarchical and multiscale approach to analyze E-business workloads.
Perform. Evaluation, 2003

Masks: Bringing Anonymity and Personalization Together.
IEEE Secur. Priv., 2003

Quantitative Analysis of Strategies for Streaming Media Distribution.
Proceedings of the 1st Latin American Web Congress (LA-WEB 2003), 2003

On the Intrinsic Locality Properties of Web Reference Streams.
Proceedings of the Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30, 2003

Design and Evaluation of a User-Based Community Discovery Technique.
Proceedings of the International Conference on Internet Computing, 2003

2002
Analyzing a web-based system's performance measures at multiple time scales.
SIGMETRICS Perform. Evaluation Rev., 2002

Characterizing E-business Workloads Using Fractal Methods.
J. Web Eng., 2002

Local Community Identification through User Access Patterns
CoRR, 2002

Disclosing users' data in an environment that preserves privacy.
Proceedings of the 2002 ACM Workshop on Privacy in the Electronic Society, 2002

Capacity Planning for Web Services.
Proceedings of the Performance Evaluation of Complex Systems: Techniques and Tools, 2002

2001
On the Design of a Tool for Controlling Privacy in the WWW.
Proceedings of the International Workshop on Information Integration on the Web, 2001

Analyzing robot behavior in e-business sites.
Proceedings of the Joint International Conference on Measurements and Modeling of Computer Systems, 2001

Resource placement in distributed E-commerce servers.
Proceedings of the Global Telecommunications Conference, 2001

2000
Resource management policies for e-commerce servers.
SIGMETRICS Perform. Evaluation Rev., 2000

Minimizing the impact of orphan requests in e-commerce services.
SIGMETRICS Perform. Evaluation Rev., 2000

Business-oriented resource management policies for e-commerce servers.
Perform. Evaluation, 2000

E-Representative: A Scalability Scheme for E-Commerce.
Proceedings of the Second International Workshop on Advance Issues of E-Commerce and Web-Based Information Systems (WECWIS 2000), 2000

In search of invariants for e-business workloads.
Proceedings of the 2nd ACM Conference on Electronic Commerce (EC-00), 2000

Performance of Client/Server Systems.
Proceedings of the Performance Evaluation: Origins and Directions, 2000

Design and Implementation of a Tool for Measuring the Performance of Complex E-commerce Sites.
Proceedings of the Computer Performance Evaluation: Modelling Techniques and Tools, 2000

Challenges in Scaling e-Business Sites.
Proceedings of the 26th International Computer Measurement Group Conference, 2000

1999
Efficiency Analysis of Brokers in the Electronic Marketplace.
Comput. Networks, 1999

A Quantitative Analysis of the User Behavior of a Large E-Broker.
Proceedings of the First International Workshop on Advance Issues of E-Commerce and Web-Based Information Systems, 1999

A methodology for workload characterization of E-commerce sites.
Proceedings of the First ACM Conference on Electronic Commerce (EC-99), 1999

1998
Performance Analysis of WWW Cache Proxy Hierarchies.
J. Braz. Comput. Soc., 1998

The Influence of Geographical and Cultural Issues on the Cache Proxy Server Workload.
Comput. Networks, 1998

Using cause-effect analysis to understand the performance of distributed programs.
Proceedings of the SIGMETRICS Symposium on Parallel and Distributed Tools, 1998

Analyzing Performance of Cache Server Hierarchies.
Proceedings of 18th International Conference of the Chilean Computer Science Society (SCCC '98), 1998

Analyzing the Impact of Dynamic Pages on the Performance of Web Servers.
Proceedings of the 24th International Computer Measurement Group Conference, 1998

1997
WebMonitor: a Tool for Measuring World-Wide Web Server Performance.
First Monday, 1997

Measuring the behaviour of a world-wide web server.
Proceedings of the High Performance Networking VII, IFIP TC6 Seventh International Conference on High Performance Networking (HPN'97), White Plains, New York, USA, 28th April, 1997

1996
Characterizing Reference Locality in the WWW.
Proceedings of the Fourth International Conference on Parallel and Distributed Information Systems, 1996

Performance Analysis Of A WWW Server.
Proceedings of the 22nd International Computer Measurement Group Conference, 1996

1995
Static and Dynamic Processor Scheduling Disciplines in Heterogeneous Parallel Architectures.
J. Parallel Distributed Comput., 1995

Performance Analysis And Modeling Of A Windows NT Server.
Proceedings of the 21st International Computer Measurement Group Conference, 1995

1994
Two-Level Performance Models of Client/Server Systems.
Proceedings of the 20st International Computer Measurement Group Conference, 1994

1992
Using Random Task Graphs to Investigate the Potential Benefits of Heterogeneity in Parallel Systems.
Proceedings of the Proceedings Supercomputing '92, 1992

1990
Cost-performance analysis of heterogeneity in supercomputer architectures.
Proceedings of the Proceedings Supercomputing '90, New York, NY, USA, November 12-16, 1990, 1990

Modelagem de Sistemas de Software com Redes de Petri Estocásticas.
Proceedings of the 4th Brazilian Symposium on Software Engineering, 1990

1989
Analytic Models of Supercomputer Performance in Multiprogramming Environments.
Int. J. High Perform. Comput. Appl., 1989

1988
An analytic model for parallel Gaussian elimination on a binary N-Cube architecture.
Proceedings of the Third Conference on Hypercube Concurrent Computers and Applications, 1988

1986
Performance analysis of a scheme for concurrency/synchronization using queueing network models.
Int. J. Parallel Program., 1986

1981
Computing Performance Measures of Computer Systems with Variable Degree of Multiprogramming.
Proceedings of the Seventh International Computer Measurement Group Conference, 1981


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