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Evolution of Ego-networks in Social Media with Link Recommendations

Luca Maria Aiello, Nicola Barbieri
2017 Proceedings of the Tenth ACM International Conference on Web Search and Data Mining - WSDM '17  
Ego-networks are fundamental structures in social graphs, yet the process of their evolution is still widely unexplored.  ...  To shed light on this matter, we analyze the complete temporal evolution of 170M ego-networks extracted from Flickr and Tumblr, comparing links that are created spontaneously with those that have been  ...  EVOLUTION OF EGO-NETWORKS Diameter and connected components The growth of social networks is associated with three changes in their macroscopic structure: densification, diameter shrinking, and inclusion  ... 
doi:10.1145/3018661.3018733 dblp:conf/wsdm/AielloB17 fatcat:p5rml756fzg45no5ew2na7vayy

Personalized Degrees: Effects on Link Formation in Dynamic Networks from an Egocentric Perspective

Makan Arastuie, Kevin S. Xu
2019 Companion Proceedings of The 2019 World Wide Web Conference on - WWW '19  
Understanding mechanisms driving link formation in dynamic social networks is a long-standing problem that has implications to understanding social structure as well as link prediction and recommendation  ...  In this paper, we examine mechanisms behind link formation from the perspective of an ego node.  ...  In this setting, it only makes sense to predict links between the social media user, i.e. the ego node, and other nodes in the network.  ... 
doi:10.1145/3308560.3316699 dblp:conf/www/Arastuie019 fatcat:lkxe3sswdneqza2sqp7d6xzfou

Event-driven TV Programs Web Community Exploration

Ruggero G. Pensa, Claudio Schifanella, Luca Vignaroli
2017 ACM Conference on Hypertext & Social Media  
understand how they affect the community structure of the social network.  ...  With the goal of understanding how major public interest events are perceived by the TV public and how the users' interests evolve in time, we introduce a data collection, integration and analysis framework  ...  A ego-minus-ego network is defined as the ego-network of a node v without the node v itself [3] .  ... 
dblp:conf/ht/PensaSV17 fatcat:qnxgyqxdkvds7f5kb6uc4dg5fy

Connectivity Practices and Activity of Greek Political Blogs

Kostas Zafiropoulos
2012 Future Internet  
Five Social Network Analysis indexes are used: incoming links, normalized betweenness, outgoing links, number of 1-cliques a blog belongs to, and size of blog's ego-network.  ...  This paper uses Social Network Analysis indexes to study Greek political blogs.  ...  The evolution of the Internet and social media technologies has changed the architectures of social interaction dramatically, thus the formation of social networks [32] .  ... 
doi:10.3390/fi4030719 fatcat:dedbpz4yfvch3em2xwtm6zcxym

Understanding social media users via attributes and links

Mohammad Ali Abbasi
2015 ACM SIGWEB Newsletter  
With the rise of social media, hundreds of millions of people spend countless hours all over the globe on social media to connect, interact, share, and create user-generated data.  ...  In this thesis, we address the problem of predicting user attributes and future or missing links using an egocentric approach.  ...  to understand and model the evolution of social networks [44] .  ... 
doi:10.1145/2808000.2808003 fatcat:m5ptbhsw4zhx5bhn2zowlnivxy

The Pursuit of Empowerment through Social Media: Structural Social Capital Dynamics in CSR-Blogging

Christian Fieseler, Matthes Fleck
2013 Journal of Business Ethics  
With the emergence of participative social media, the ways in which stakeholders may interact with companies are changing.  ...  Social media and Web 2.0 technologies change gatekeeping mechanisms and the distribution of information.  ...  bold Table 2 2 Top 30 Ego-networks Blog Number of blogs within the Ego-network Links within the network Number of potential links among the actors Density greenbiz.com 41 114 1,640  ... 
doi:10.1007/s10551-013-1959-9 fatcat:4j774t7c2zfvtdgnue24veypnm

Detecting and Tracking Significant Events for Individuals on Twitter by Monitoring the Evolution of Twitter Followership Networks

Tao Tang, Guangmin Hu
2020 Information  
Further, we observe the evolution of individuals' followership networks and analyze the dynamics of networks.  ...  The results show that events have different effects on the evolution of different features of Twitter followership networks.  ...  Evolution of Twitter Ego Networks With the constant occurrence of link creation and deletion, the users' local network structure evolves as time goes by.  ... 
doi:10.3390/info11090450 fatcat:y54iv6gzuvbbng7us3dnzk3fn4

On the quality of inferring interests from social neighbors

Zhen Wen, Ching-Yung Lin
2010 Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining - KDD '10  
These activities occupy the majority of employees' time in work, and thus, provide a high quality approximation to the real social connections of employees in the workplace context.  ...  Is "Birds of a Feather Flocks Together" a norm? We do not consider the friending activity on online social networking sites.  ...  This research is continuing through participation in the Network Science Collaborative Technology Alliance sponsored by the U.S. Army Research Laboratory under Agreement Number W911NF-09-2-0053.  ... 
doi:10.1145/1835804.1835853 dblp:conf/kdd/WenL10 fatcat:gebx2bjaeneyrhk3bhjk5j3ndu

A Semantic Model with Self-Adaptive and Autonomous Relevant Technology for Social Media Applications

Zahra Najafabadi Samani, Alexander Lercher, Nishant Saurabh, Radu Prodan
2019 Zenodo  
However, the lack of central control in the decentralized social network poses new issues of collaborative decision making and trust to this permission-less environment.  ...  To tackle these problems and fulfill the requirements of social media services, there is a need for intelligent mechanisms integrated to the decentralized social media that consider trust in various aspects  ...  This work was accomplished as a part of project "ARTICONF" 1 , funded by the European Union's Horizon 2020 research and innovation program under grant  ... 
doi:10.5281/zenodo.3581080 fatcat:o5qqx2b5rve2xcmsvo2ylaqc4u

Expertise and Trust –Aware Social Web Service Recommendation [chapter]

Ahlem Kalaï, Corinne Amel Zayani, Ikram Amous, Florence Sedès
2016 Lecture Notes in Computer Science  
With the increasing number of Web services, the personalized recommendation of Web services has become more and more important.  ...  In this paper, we firstly propose a trusted friend detection mechanism in a social network.  ...  The ego-centric approach (or personal network) focuses on the network surrounding one actor (ego) and his links.  ... 
doi:10.1007/978-3-319-46295-0_32 fatcat:m4lf7ai6nbetxgh33lntx3wzp4

Characterization of the twitter @replies network

Daniel Sousa, Luís Sarmento, Eduarda Mendes Rodrigues
2010 Proceedings of the 2nd international workshop on Search and mining user-generated contents - SMUC '10  
In recent years, social media services have become a global phenomenon on the Internet.  ...  For users with larger and denser ego-centric networks, we observed a slight tendency for separating their connections depending on the topics discussed.  ...  Furthermore, it is clear that the users with larger ego-centric networks exhibit a stronger social character than the users involved in the previous pairs of topics.  ... 
doi:10.1145/1871985.1871996 dblp:conf/cikm/SousaSR10 fatcat:7zc5rvqqp5dyzkvw4ol5b3jyia

Neutral bots probe political bias on social media [article]

Wen Chen, Diogo Pacheco, Kai-Cheng Yang, Filippo Menczer
2021 arXiv   pre-print
Social media platforms attempting to curb abuse and misinformation have been accused of political bias.  ...  We find no strong or consistent evidence of political bias in the news feed. Despite this, the news and information to which U.S.  ...  Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the funding agencies.  ... 
arXiv:2005.08141v4 fatcat:e3fjimddsrbafnmblxpulz3m6m

Revealing Fake Profiles in Social Networks by Longitudinal Data Analysis

Aleksei Romanov, Alexander Semenov, Jari Veijalainen
2017 Proceedings of the 13th International Conference on Web Information Systems and Technologies  
in social media marketing and other malicious activities, as participation in friend farms.  ...  Ego networks in vk.com for about 200.000 most recently registered profiles were gathered and analyzed longitudinally.  ...  We filtered ∼11.000 users that started their activity from 1 st snapshot to 2 nd and then calculated social graph (graph of the social network) parameters for the ego networks they form with their friends  ... 
doi:10.5220/0006243900510058 dblp:conf/webist/RomanovSV17 fatcat:6hipinj2sbempjm2m2vpkvlhkm

Human migration: the big data perspective

Alina Sîrbu, Gennady Andrienko, Natalia Andrienko, Chiara Boldrini, Marco Conti, Fosca Giannotti, Riccardo Guidotti, Simone Bertoli, Jisu Kim, Cristina Ioana Muntean, Luca Pappalardo, Andrea Passarella (+4 others)
2020 International Journal of Data Science and Analytics  
In this paper, we try to answer this question through an analysis of various phases of migration, comparing traditional and novel data sources and models at each phase.  ...  We explore various data sets and models that can be used to quantify and understand migrant integration, with the final aim of providing the basis for the construction of a novel multi-level integration  ...  The funders had no role in developing the research and writing the manuscript.  ... 
doi:10.1007/s41060-020-00213-5 fatcat:4x54imhjlrcu5hyzv3bcdua5qe

The Future of Social Networks on the Internet: The Need for Semantics

John Breslin, Stefan Decker
2007 IEEE Internet Computing  
Yet, some research prototypes show that social networks are actually useful for more than just ego surfing to discover unexpected links in networks of friends.  ...  Developers are already using Semantic Web technologies to augment the ways in which they create, reuse, and link content on social networking and media sites.  ... 
doi:10.1109/mic.2007.138 fatcat:kjdhttblqnendbrk7bhszazhva
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