Social Internet of Things (1/2) Totalnumber of humans in the world: around 7 billions Expected number of objects: trillions How to find the right object? Among humans … 2 Social networks! Why not the same for objects?The Social Internet of Things
Social Internet of Things (2/2) Advantages Navigability* Scalable Trustworthiness *J. Kleinberg, “The small-world phenomenon: an algorithmic perspective” in Proc. of ACM Symposium on Theory and Computing, 2000 Reason Humans Things Become visible Increase popularity Publish information/services Find resources Find old friends Find information/services Obtain context information Get filtered information Get environment characteristics Find new services/updated 3 Discover new resources Find new friends informationThe Social Internet of Things
SIoT - Types of Relationships Parental object relationship Co-location object relationship and co-work object relationship Social object relationship Ownership object relationship 4The Social Internet of Things
SIoT - Relational Models (1/4) Communal sharing Humans/Things • Behaviors of objects with collective relevance • Focus on the service offered by the entire swarm 5 *A. P. Fiske, “The four elementary forms of sociality: framework for a unified theory of social relations,” Psychological review, vol. 99, 1992.The Social Internet of Things
SIoT - Relational Models (2/4) Equality matching Humans/Things Objects operate as equals and request/provide information among them in the perspective of providing IoT services to users while maintaining their individuality 6The Social Internet of Things
SIoT - Relational Models (3/4) Authority ranking Humans/Things Established between objects of different complexity and hierarchical levels •RFID reader and Tags, Bluetooth master and slave 7The Social Internet of Things
SIoT - Relational Models (4/4) Market pricing Humans/Things • Working together in the view of achieving mutual benefit • Participation in this relationship only when it is worth the while to do so 8The Social Internet of Things
Your operator Free WiFi I got the highest network Long line through 2 energy consumption Better second exit Via in the block Maria’s Roma route coverage car Mauro’s house 3 1 Pavla’s 4 Mac I discovered how to connect to printer 184.108.40.206 Angela Efisio’s car I got a rare issue 5 … looking how to fix it In Rome the weather Michele is unexpectedly cold Mario is at “Il lido” 7 Luisa is at “Charlie” Disco Giorgia is here 6 9 LauraThe Social Internet of Things
SIoT Components Social Rela- graph tionship mngt Service Social Service Service APIs presence ID Mngt disco- APIs Profiling very Profiling Owner control Partici- Trust- Relation Service pation worthi- control compo- model ness sition mngt Social Network Social Networks for Humans* for Things 10 *D. M. Boyd and N. B. Ellison, “Social network sites: Definition, history, and scholarship,” Journal of Computer-Mediated Communication, vol. 1, no. 13, 2007.The Social Internet of Things
SIoT Architecture 11 11The Social Internet of Things
Probability distributions of the minimum path length between a pair of 12/ randomly selected objects in SIoT and random network cases 80The Social Internet of Things
SOME PUBLICATIONSThe Social Internet of Things (SIoT)–When social networksmeet the Internet of Things: Concept, architecture andnetwork characterization, L Atzori, A Iera, G Morabito, MNitti, Computer Networks, 2012SIoT: Giving a social structure to the internet of things, LAtzori, A Iera, G Morabito, Communications Letters, IEEE2011Making things socialize in the Internet – Does it help ourlives?, L Atzori, A Iera, G Morabito, ITU-T Kaleidoscope, 2011The internet of things: A survey, L Atzori, A Iera, G MorabitoComputer Networks, 2010A Subjective Model for Trustworthiness Evaluation in theSocial Internet of Things, M Nitti, L Atzori, R Giru, A Iera, GMorabito, IEEE PIMRC, IoT-CN workshop, 2012
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