Lessons Learned from Online Social Networking of Physical Things Andreas Kamilaris, Diomidis Papadiomidous and Andreas Pitsillides Networks Research Laboratory University of Cyprus BWCCA 2011, Barcelona, Spain
Lessons Learned from Online Social Networking of Physical Things
Jun 22, 2015
Social networking is a core part of the global online experience. The Web 2.0 has been transformed into a social Web, extending the social capabilities of users. A big challenge for the Web is to become ubiquitous, blended with the everyday life of people. The Pervasive Web would be effectively enabled when physical things are seamlessly connected to the Web, offering real-world services to users.
In a previous work, we examined the feasibility of utilizing existing online social networking platforms, to create a social
smart home that promotes sharing of sensor and household devices between family members.
In this presentation, we present some early experiences obtained from developing two real-world social applications, the first
for environmental monitoring in a farm and the second for increasing energy awareness by sharing electricity consumption information between friends. Through these two deployments, we demonstrate the potential benefits of giving a social texture
to pervasive applications.
This work has been presented at the Sixth International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA), Barcelona, Spain, October 2011.
In a previous work, we examined the feasibility of utilizing existing online social networking platforms, to create a social
smart home that promotes sharing of sensor and household devices between family members.
In this presentation, we present some early experiences obtained from developing two real-world social applications, the first
for environmental monitoring in a farm and the second for increasing energy awareness by sharing electricity consumption information between friends. Through these two deployments, we demonstrate the potential benefits of giving a social texture
to pervasive applications.
This work has been presented at the Sixth International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA), Barcelona, Spain, October 2011.
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Lessons Learned from Online Social Networking of
Physical Things
Andreas Kamilaris, Diomidis Papadiomidous and Andreas Pitsillides
Networks Research LaboratoryUniversity of Cyprus
BWCCA 2011, Barcelona, Spain
University of CyprusMotivation
Embedded Computing...
... merged with Physical Objects
University of CyprusMotivation
But also merged with the Web!
University of CyprusMotivation
But also merged with the Web!
University of CyprusMotivation
But also merged with the Web!
University of CyprusMotivation
The Semantic Web The Pervasive Web
University of CyprusMotivation
The Pervasive Web
“The user can access information and interact with every connecteddevice and the global community in an ubiquitous way.”
“Users will be able to know the right content, at the right time, in the right place and on the right device.”
Web-enablement of physical things.Seamless connectivity and interaction with them.
University of CyprusMotivation
• Two thirds of global Internet Population visit Social Networking Sites (SNS).
• Facebook has more than 400 million active users!
Social networking has become a fundamental part of the global online experience.The Web 2.0 is a social Web!
University of CyprusMotivation• SNS can constitute a driver for the transition to
the Pervasive Web• The missing element of SNS for ubiquitous
interaction with the environment is the inclusion of physical things to their interfaces.
• Online social networks can be transformed into shared smart spaces.
• Social relationships between people can be extended to social relationships with their physical devices.
University of CyprusBackground Information
• The Web of Things.• Reuse of well accepted Web principles.• Embedding Web servers on physical things.• Representational State Transfer (REST).• RESTful, open API.• Extending Web mashups into physical
mashups.• Combining physical mashups with SNS API.
University of CyprusDeveloping Pervasive SNS
Core Elements:• SNS• Open Web API• SNS Applications• Web Mashups – Physical Mashups• Web-enabled Physical Devices (Directly Vs Gateways)• Device/Service Discovery• Web Services (WS-* Vs REST)
University of CyprusDeveloping Pervasive SNS
General Architecture:
University of CyprusReal-World Social Applications
Social Energy AwarenessEnvironmental Monitoring
University of CyprusEnvironmental Monitoring
• Monitor the environmental conditions of the greenhouse of the organic farm.
• Control of the lamps through Plogg smart meters.• Awareness about temperature, humidity and
illumination in the greenhouse through Telosb sensor motes.
University of Cyprus
Resource URI REST Method Parameters Values Return Value
Temperature GET - - text/plain
Humidity GET - - text/plain
Illumination GET - - text/plain
Leds PUT color Red,Green,Blue text/plain
Electricity GET - - application/json
Switch PUT state On,Off text/plain
Environmental Monitoring
• RESTful Web Services• RESTlet Web Framework for Java• 6LoWPAN in TinyOS based on blip
University of CyprusEnvironmental Monitoring
University of Cyprus
The URL points to a WADL service description file.
Environmental Monitoring
Device/Service Discovery:
University of Cyprus
Facebook group SocialFamily.
Environmental MonitoringSharing the Greenhouse Space:
University of CyprusEnvironmental MonitoringInteracting with Physical Devices:
University of CyprusEnvironmental MonitoringA Publish/Subscribe Mechanism:
University of CyprusEnvironmental MonitoringEvaluation:
• Nine workers at the farm - two weeks duration of experiment.
Impressions:• “The application is easy to be used.”• “Excited with the perspective of controlling the greenhouse
while amusing with my friends.”• “The notifications are quite difficult to understand.”• “The user must be online to be notified!”• “I increased my monitoring activity.”• “I became more aware about the farm.”• “How much does it cost to fully automate the farm?”• “This can be applied also in health monitoring!”
University of CyprusSocial Energy Awareness
• Energy awareness can reduce electrical consumption by a fraction of 5-15%.
• Still, people can not clearly consider how much energy they consume.
• Each area, city or country has different tariffs and varied weather and physical conditions.
• A promising way to understand the ”semantics” of consumed energy is to compare it with the amount consumed by relatives, friends and neighbors.
• SNS are the ideal platforms for such comparisons, as they maintain a highly accurate graph of users’ social networks.
University of CyprusSocial Energy Awareness• SocialElectricity Facebook Application
University of CyprusSocial Energy AwarenessFunctionalities:
• People can compare their electricity footprint with that of their neighborhood/village/town.
• Associates electricity with costs.• Promotes sharing of people’s electricity consumption
figures with their friends at a street level.• Useful statistics about the most energy-efficient
streets/villages/cities.• Historical Data.• A green competition. • ”Region Awareness”
University of CyprusSocial Energy Awareness
System Architecture:
socialelectricity Database
User Interface-Facebook Application
INTERACTS
HTTP
TCP/IP
HTTPUniversity of
Cyprus Server
User
Geocode Server
socialelectricity ApplicationHosted
Database Web Service
TCP/IP
Geocode Web Service
TCP/IP
GeoCode Database
TCP/IP
University of CyprusSocial Energy Awareness
System Technologies:
• Microsoft Silverlight 4• XAML• C#• Javascript
• ASP .NET
• MS-SQL Server 2008
• Microsoft Bing Maps• Facebook API 3.01
University of CyprusSocial Energy AwarenessPreliminary Evaluation:
• Deployment at the Computer Science department of the University of Cyprus.
• 72 students of the department.
First Impressions:• “Highly impressed”.• “Entertaining to compare my local energy consumption
with that of my friends.”• “Your street has poorer energy performance than mine.”• “I realized after using the application that I had a faulty
meter. I contacted EAC immediately to replace it.”
University of CyprusSocial Energy AwarenessPreliminary Evaluation:
• Energy Awareness
Not Influenced,
22, 31%
Energy-aware
Students, 50, 69%Energy-aware Students
Not Influenced
University of CyprusSocial Energy AwarenessPreliminary Evaluation:
• High Electricity Bill
Not High, 59, 82%
High Electricity
Bill, 13, 18%
High Electricity Bill
Not High
University of CyprusGeneral Benefits
• The integration of physical devices/services to SNS would promote their sharing.
• Smart objects can become really ubiquitous.• It can help people engage in beneficial activities.• Strong incentives to people, for adopting
sustainable lifestyles.• We can leverage the authentication/authorization
mechanisms of the SNS easily.• Exploit SNS Open API to develop social mashups.• SNS users, find it easier to accept and use pervasive
applications, as they become blended with their overall online experience.
University of CyprusConcluding Remarks
• Social networking will play an important role in future personal/commercial online interaction.
• The physical world is a crucial part of it.• SNS are mature enough for giving a social shape
to pervasive Web applications.• SNS can constitute a key aspect for the transition
to a Pervasive Web, in the Web 3.0 era.• Flexibility, simplicity, security, interoperability,
even sharing.• Social API?
University of CyprusFuture Work
• Enhance our pervasive applications with more advanced, social capabilities.
• Deploying SocialElectricity around Cyprus.• Integrating the two applications together?• Support other real-life scenarios such as health
monitoring.• A Web-based, social API for embedded devices.• Devicebook
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