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Classifying Trust/Distrust Relationships in Online Social Networks

Giacomo Bachi, Michele Coscia, Anna Monreale, Fosca Giannotti
2012 2012 International Conference on Privacy, Security, Risk and Trust and 2012 International Confernece on Social Computing  
We do so by decomposing a trust network in its ego network components and mining on this ego network set the trust relationships, extending a well known graph mining algorithm.  ...  In this paper we address the problem of creating a framework for the trust inference, able to infer the trust/distrust relationships in those relational environments that cannot be described by using the  ...  Since we are interested in what happens only in the direct surroundings of each edge, we decompose the trust network in its ego network components.  ... 
doi:10.1109/socialcom-passat.2012.115 dblp:conf/socialcom/BachiCMG12 fatcat:motlnf5qofek3nlahnjk2xi7ly

A Trustworthy SIoT Aware Mechanism as an Enabler for Citizen Services in Smart Cities

Ateeq Ur Rehman, Rizwan Ali Naqvi, Abdul Rehman, Anand Paul, Muhammad Tariq Sadiq, Dildar Hussain
2020 Electronics  
Firstly, we used the concept of local and global trust to provide new services in SC based on popular online social networks (OSN) data used by the citizens.  ...  In the recent era, new information technologies have a significant impact on social networks.  ...  Conflicts of Interest: The authors claim that there are no conflicts of interest involved in publishing this article.  ... 
doi:10.3390/electronics9060918 fatcat:hbxamsz63fe5novipqwxy5a5ce

Identifying a Criminal's Network of Trust

Pritheega Magalingam, Asha Rao, Stephen Davis
2014 2014 Tenth International Conference on Signal-Image Technology and Internet-Based Systems  
In this paper, trust networks using blind carbon copy (BCC) emails were formed.  ...  We show that our new shortest paths network search algorithm combining shortest paths and network centrality measures can isolate and identify criminals' connections within a trust network.  ...  Discovery of 1-BCC shortest paths trust network We start by investigating Andrew Fastow's ego subnetwork in the 1-BCC network followed by the other criminals' ego subnetworks.  ... 
doi:10.1109/sitis.2014.64 dblp:conf/sitis/MagalingamRD14 fatcat:idaqrznoobhqbbvso66tmi6usq

Social Networks and Charitable Giving: Trusting, Doing, Asking, and Alter Primacy

Patricia Snell Herzog, Song Yang
2017 Nonprofit and Voluntary Sector Quarterly  
To these traditional measures, we add an examination of particular network aspects of giving: ego giving in relation to network alters who give, solicitations to give by network ties, and ego soliciting  ...  In particular, findings are that egos are especially likely to be donors when their primary alter donates.  ...  In Model 3, a different pattern emerges: Alter 1 does not have a statistically significant relationship to ego giving. Instead, it is Alter 3 that is significant.  ... 
doi:10.1177/0899764017746021 fatcat:oilcppjrbjg6xgi7m5oddcxbmq

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  ...  pattern in the network.  ... 
doi:10.5281/zenodo.3581080 fatcat:o5qqx2b5rve2xcmsvo2ylaqc4u

Entrepreneurial Networks [chapter]

Antonio M. Chiesi
2017 Encyclopedia of Social Network Analysis and Mining  
Definition Entrepreneurial networks (EN) are defined as the patterns of interpersonal relations emerging from entrepreneurial activities.  ...  These are the network of an individual, where ego is the focal nodethe person usually interviewedand alters are those cited whom ego is in contact with.  ... 
doi:10.1007/978-1-4614-7163-9_367-1 fatcat:t4uhfhvauvgpbd6jqomxke2sma

Evaluation of Structural and Temporal Properties of Ego Networks for Data Availability in DOSNs

Andrea De Salve, Barbara Guidi, Laura Ricci
2017 Journal on spesial topics in mobile networks and applications  
The goal of this paper is the study of the behaviour of users in a real social network in order to define proper strategies to allocate the users' data on the DOSN nodes.  ...  To this aim, users' data allocation strategies have to be defined and this requires the knowledge of both structural and temporal characteristics of ego networks which is a difficult task due to the lack  ...  Fig. 6 6 Community Overlapping through the k-overlapping index Fig. 7 7 Evaluation of the dynamic ego networks Fig. 8 8 Evaluation of the number and size of communities discovered in each ego networks  ... 
doi:10.1007/s11036-017-0830-0 fatcat:e6e22dey7farpifo4ez7fz4nom

Information diffusion in distributed OSN: The impact of trusted relationships

Valerio Arnaboldi, Massimiliano La Gala, Andrea Passarella, Marco Conti
2015 Peer-to-Peer Networking and Applications  
This means that the effective social network (used for information exchange) may be a subset of the complete social network, and may present different structural patterns, which could limit information  ...  In this paper, we estimate the capability of DOSN to diffuse content based on trust between social peers.  ...  the ones the ego trusts the most.  ... 
doi:10.1007/s12083-015-0395-2 fatcat:febjjuvkyne3zifphp7wcabto4

Enhancing Digital Business Ecosystem trust and reputation with centrality measures

Donovan Isherwood, Marijke Coetzee
2011 2011 Information Security for South Africa  
Given the nature of DBEs, social network centrality measures that can influence power and control in the network need to be considered for DBE trust and reputation.  ...  A number of social network centralities, which influence reputation in social graphs have been studied in the past.  ...  The motivation for this paper is to discover social network metrics that can be used to assist with trust and reputation for Digital Business Ecosystem.  ... 
doi:10.1109/issa.2011.6027535 fatcat:43yvsic45nbe5dz7o3dlamknou

Generalized Trust and Social Selection Process

Tasuku Igarashi, Taro Hirashima
2021 Frontiers in Communication  
Results showed the predicted patterns of social selection processes based on generalized trust when the dynamics of the two networks were analyzed simultaneously: only in the advice network, individuals  ...  Effective tie-formation strategies of individuals high in generalized trust in a multiplex network structure are discussed.  ...  ACKNOWLEDGMENTS We thank Johan Koskinen and Yang Li for their helpful comments on an earlier version of the manuscript and Jin Kato and Ryuichi Tamai for their assistance in collecting data.  ... 
doi:10.3389/fcomm.2021.667082 fatcat:s3mr53dw2bhjzcqwsobsgn54lu

Virtual Brokerage and Closure

Cuihua Shen, Peter Monge, Dmitri Williams
2012 Communication Research  
It tests the effects of individual players' network brokerage and closure on their task performance and trust of other players.  ...  Results provided strong support for the structural model, demonstrating that players' network brokerage positively predicted their task performance in the game and players embedded in closed networks were  ...  ., 2009) in illustrating how "computational social science" can be fruitful for discovering emerging patterns and effects of our increasingly mediated social interactions.  ... 
doi:10.1177/0093650212455197 fatcat:inh6p6u34nhurmlpbropa4eigy

Social Networking for Pervasive Adaptation

Stuart M. Allen, Marco Conti, Jon Crowcroft, Robin Dunbar, Pietro Lio', Jose Fernando Mendes, Refik Molva, Andrea Passarella, Ioannis Stavrakakis, Roger M. Whitaker
2008 2008 Second IEEE International Conference on Self-Adaptive and Self-Organizing Systems Workshops  
In particular, the traditional notion of always-on end-to-end network connectivity becomes inappropriate, and radical rethinking is necessary.  ...  Increasingly, this is opening up the opportunity to generate, collect and communicate new knowledge and information in diverse aspects of human life.  ...  This also extends to human mobility [4] where tracking the trajectory of mobile phone users has discovered inherent similarity in travel patterns could impact all phenomena driven by human mobility.  ... 
doi:10.1109/sasow.2008.34 dblp:conf/saso/AllenCCDLMMPSW08 fatcat:dzvzmwa4pvastepx7ccm2xxvaq

Social Trust Based Semantic Tourism Recommender System: A Case of Medical Tourism in Tunisia

Mohamed Frikha, Mohamed Mhiri, Faiez Gargouri
2017 European Journal of Tourism Research  
We propose to integrate the temporal factor in measuring trust between social network friends. A Trusted Friend's calculation method is developed for determining social trusted friends in Facebook.  ...  Afterwards, we have used this method in a semantic tourism recommender system as a smart e-tourism tool able to recommend items based on the users' preferences and their trusted friends' preferences.  ...  by the ego user. • We present a method to estimate the trust score between two friends in a social network.  ... 
doi:10.54055/ejtr.v17i.294 fatcat:zh4udp3v5ne2ncaf2zaxeazvg4

Selection patterns, gender and friendship aim in classroom networks

Chris Baerveldt, Gerhard G. van de Bunt, Marjolijn M. Vermande
2014 Zeitschrift für Erziehungswissenschaft  
The effects of gender, friendship aim (intimacy or social activities) and the combination of gender and friendship aim on selection patterns (student's activity in selecting new friends, linking with friends  ...  The social networks of students, and the underlying processes of selection, can have strong effects on their psychological and academic adjustment.  ...  In new and still developing networks, as in our case, the probability that some friends do not meet expectations regarding intimacy and trust may be rather large, and as a result, the activity level of  ... 
doi:10.1007/s11618-014-0546-x fatcat:ixwifzrxovbxzchy77jahz5htq

Connecting Productivity with Social Capital via Daily Mobile Phone Logs

B. Padmaja, V. V. Rama Prasad, K. V. N. Sunitha
2016 Social Networking  
The pattern shows that the relationships and interaction between ego-alter ties have more productive benefits.  ...  Social Network Analysis (SNA) is a powerful research tool which provides a comprehensive analysis on ego-alters communications with their individual productivity within a community.  ...  H0: Efficiency of an ego network plays no role in improving individual productivity. The measure of the efficiency of an ego network is very closely linked to its effective size.  ... 
doi:10.4236/sn.2016.52007 fatcat:xprb6vwyinfntlg3ynnukkvl6q
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