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University of Cagliari Cagliari, Sardinia, Italy www.unica.it UCLA, November 29th, 2012 A presentation on THE SOCIAL INTERNET OF THINGS by Luigi Atzori University of Cagliari, Italy
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Part of my SIoT presentation at the CS department of UCLA on November 29th, 2012
Transcript of Ucla 121129-siot
University of Cagliari Cagliari, Sardinia, Italy
www.unica.it
UCLA, November 29th, 2012
A presentation on
THE SOCIAL INTERNET
OF THINGS
by Luigi Atzori
University of Cagliari, Italy
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
Social Internet of Things (1/2)
Total number 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?
Un
iversity
of C
ag
liari, Ita
ly
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
Social Internet of Things (2/2)
Advantages
Navigability*
Scalable
Trustworthiness
3
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
Discover new resources Find new friends Find new services/updated
information
*J. Kleinberg, “The small-world phenomenon:
an algorithmic perspective”
in Proc. of ACM Symposium
on Theory and Computing, 2000
Un
iversity
of C
ag
liari, Ita
ly
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
SIoT - Types of Relationships
4
Parental object relationship
Co-location object
relationship and co-work
object relationship
Ownership object
relationship
Social object relationship
Un
iversity
of C
ag
liari, Ita
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November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
SIoT - Relational Models (1/4)
5
Communal sharing
Humans/Things
• Behaviors of objects with collective relevance
• Focus on the service offered by the entire swarm
* A. P. Fiske, “The four elementary forms of sociality: framework for a
unified theory of social relations,” Psychological review, vol. 99, 1992.
Un
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November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
6
Objects operate as equals and request/provide information
among them in the perspective of providing IoT services to
users while maintaining their individuality
Humans/Things
Equality matching
SIoT - Relational Models (2/4) U
niv
ersity
of C
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liari, Ita
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November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
7
Established between objects of different complexity and
hierarchical levels
•RFID reader and Tags, Bluetooth master and slave
Humans/Things
Authority ranking
SIoT - Relational Models (3/4) U
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ersity
of C
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liari, Ita
ly
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
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• Working together in the view of achieving mutual benefit
• Participation in this relationship only when it is worth
the while to do so
Humans/Things
Market pricing
SIoT - Relational Models (4/4) U
niv
ersity
of C
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liari, Ita
ly
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
9
I discovered how to
connect to printer
192.167.131.60
Pavla’s
Mac
Long line through
second exit Via
Roma route Maria’s
car
I got a rare issue
… looking how
to fix it
Efisio’s car
Your operator
network
Free WiFi
Better
coverage
Angela
Mario is at “Il lido”
Luisa is at “Charlie” Disco
Giorgia is here
Michele
I got the highest
energy consumption
in the block
Mauro’s house
1
2
3
4
5
Laura
In Rome the weather
is unexpectedly cold
6 7
Un
iversity
of C
ag
liari, Ita
ly
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
SIoT Components
10
Profiling
Social graph
Social presence
Partici-pation model
Relation control
Service APIs ID Mngt
Profiling
Owner control
Rela-tionship
mngt
Service disco-very
Service compo-sition
Trust-worthi-
ness mngt
Service APIs
Social Network
for Humans*
Social Networks
for Things
*D. M. Boyd and N. B. Ellison, “Social network sites: Definition, history, and scholarship,” Journal
of Computer-Mediated Communication, vol. 1, no. 13, 2007.
Un
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of C
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November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
SIoT Architecture
21/0
9/2
011
11
11
November 29th, 2012 The Social Internet of Things – Prof. Luigi Atzori
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80
Probability distributions of the minimum path length between a pair of
randomly selected objects in SIoT and random network cases
University of Cagliari Cagliari, Sardinia, Italy
www.unica.it
QUESTIONS?
The Social Internet of Things (SIoT)–When social networks meet the Internet of Things: Concept, architecture and network characterization, L Atzori, A Iera, G Morabito, M Nitti, Computer Networks, 2012
SIoT: Giving a social structure to the internet of things, L Atzori, A Iera, G Morabito, Communications Letters, IEEE 2011
Making things socialize in the Internet – Does it help our lives?, L Atzori, A Iera, G Morabito, ITU-T Kaleidoscope, 2011
The internet of things: A survey, L Atzori, A Iera, G Morabito Computer Networks, 2010
A Subjective Model for Trustworthiness Evaluation in the Social Internet of Things, M Nitti, L Atzori, R Giru, A Iera, G Morabito, IEEE PIMRC, IoT-CN workshop, 2012
Luigi Atzori
