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SOCIALCOM
2010
13 years 9 months ago
A Decision Theoretic Approach to Data Leakage Prevention
Abstract--In both the commercial and defense sectors a compelling need is emerging for rapid, yet secure, dissemination of information. In this paper we address the threat of infor...
Janusz Marecki, Mudhakar Srivatsa, Pradeep Varakan...
SOCIALCOM
2010
13 years 9 months ago
Precursors and Laggards: An Analysis of Semantic Temporal Relationships on a Blog Network
We explore the hypothesis that it is possible to obtain information about the dynamics of a blog network by analysing the temporal relationships between blogs at a semantic level, ...
Telmo Menezes, Camille Roth, Jean-Philippe Cointet
SOCIALCOM
2010
13 years 9 months ago
Assessing the Value of Contributions in Tagging Systems
-- Assessing the value of individual users' contributions in peer-production systems is paramount to the design of mechanisms that support collaboration and improve users'...
Elizeu Santos-Neto, Flavio Figueiredo, Jussara M. ...
SOCIALCOM
2010
13 years 9 months ago
OSNAC: An Ontology-based Access Control Model for Social Networking Systems
Abstract--As the information flowing around in social networking systems is mainly related or can be attributed to their users, controlling access to such information by individual...
Amirreza Masoumzadeh, James B. D. Joshi
SOCIALCOM
2010
13 years 9 months ago
Measurement, Modeling, and Analysis of a Large-scale Blog Sever Workload
Despite the growing popularity of Online Social Networks (OSNs), the workload characteristics of OSN servers, such as those hosting blog services, are not well understood. Understa...
Myeongjae Jeon, Jeaho Hwang, Youngjae Kim, Jae-Wan...
SOCIALCOM
2010
13 years 9 months ago
A Scalable Framework for Modeling Competitive Diffusion in Social Networks
Multiple phenomena often diffuse through a social network, sometimes in competition with one another. Product adoption and political elections are two examples where network diffus...
Matthias Broecheler, Paulo Shakarian, V. S. Subrah...
SOCIALCOM
2010
13 years 9 months ago
Minimizing Disclosure of Private Information in Credential-based Interactions: A Graph-based Approach
We address the problem of enabling clients to regulate disclosure of their credentials and properties when interacting with servers in open scenarios. We provide a means for client...
Claudio Agostino Ardagna, Sabrina De Capitani di V...
SOCIALCOM
2010
13 years 9 months ago
Friendfeed Breaking News: Death of a Public Figure
Abstract--Microblogging sites allow users to post short messages online, offering a reliable way to communicate and to spread information quickly and efficiently; moreover, they ca...
Matteo Magnani, Danilo Montesi, Luca Rossi
SOCIALCOM
2010
13 years 9 months ago
Traffic in Social Media II: Modeling Bursty Popularity
Online popularity has enormous impact on opinions, culture, policy, and profits, especially with the advent of the social Web and Web advertising. Yet the processes that drive popu...
Jacob Ratkiewicz, Filippo Menczer, Santo Fortunato...
SOCIALCOM
2010
13 years 9 months ago
Mining Human Location-Routines Using a Multi-Level Approach to Topic Modeling
In this work we address the problem of modeling varying time duration sequences for large-scale human routine discovery from cellphone sensor data using a multi-level approach to p...
Katayoun Farrahi, Daniel Gatica-Perez