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ASUNAM
2015
IEEE
3 years 4 months ago
Trend detection in social networks using Hawkes processes
Abstract—We develop in this paper a trend detection algorithm, designed to find trendy topics being disseminated in a social network. We assume that the broadcasts of messages i...
Julio Cesar Louzada Pinto, Tijani Chahed, Eitan Al...
ASUNAM
2015
IEEE
3 years 4 months ago
Social Event Extraction: Task, Challenges and Techniques
—Social media (e.g., Facebook and Twitter) serves as a popular platform for online communication and information dissemination, where users can effectively share information such...
Hao Li, Heng Ji, Lin Zhao
ASUNAM
2015
IEEE
3 years 4 months ago
A Dynamic Algorithm for Local Community Detection in Graphs
Abstract—A variety of massive datasets, such as social networks and biological data, are represented as graphs that reveal underlying connections, trends, and anomalies. Communit...
Anita Zakrzewska, David A. Bader
ASUNAM
2015
IEEE
3 years 4 months ago
Hackers Topology Matter Geography: Mapping the Dynamics of Repeated System Trespassing Events Networks
— this study focuses on the spatial context of hacking to networks of Honey-pots. We investigate the relationship between topological positions and geographic positions of victim...
Amit Rechavi, Tamar Berenblum, David Maimon, Ido S...
ASUNAM
2015
IEEE
3 years 4 months ago
AFRAID: Fraud Detection via Active Inference in Time-evolving Social Networks
—Fraud is a social process that occurs over time. We introduce a new approach, called AFRAID, which utilizes active inference to better detect fraud in time-varying social networ...
Véronique Van Vlasselaer, Tina Eliassi-Rad,...
ASUNAM
2015
IEEE
3 years 4 months ago
Policy Oriented Exchange Networks: Was a Copenhagen Climate Treaty Possible?: Scientific Analysis Providing New Insights for Agr
—This paper presents our predictions for the outcomes of the most controversial issues at the 15th Conference of Parties (COP) Meeting in Copenhagen, December 7-15, 2009. For the...
Frans N. Stokman
ASUNAM
2015
IEEE
3 years 4 months ago
Star Search: Effective Subgroups in Collaborative Social Networks
Abstract—In an ever-increasing variety of contexts, people are working collaboratively to solve problems and accomplish tasks. Yet the characteristics of effectively functioning ...
Ben Baumer, George Rabanca, Amotz Bar-Noy, Prithwi...
ASUNAM
2015
IEEE
3 years 4 months ago
Towards Topic Following in Heterogeneous Information Networks
—Who are the best targets to receive a call-for-paper or call-for-participation? What kind of topics should we propose for a workshop or a special issue of next year? Precisely p...
Deqing Yang, Yanghua Xiao, Hanghang Tong, Wanyun C...
ASUNAM
2015
IEEE
3 years 4 months ago
Tweet Sentiment: From Classification to Quantification
Abstract—Sentiment classification has become a ubiquitous enabling technology in the Twittersphere, since classifying tweets according to the sentiment they convey towards a giv...
Wei Gao, Fabrizio Sebastiani 0001
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