A talk on Internet of Things and realted Ontologies

1. Hot Topics NGN & FIT/ WS 14
Everything
About
Internet
of
Things:
An
Overview
of
Related
Ontologies
Khan Reaz
EIT ICT Labs Master School
Internet Technologies and Architecture
Alex Willner
Supervisor

2. Hot Topics NGN & FIT/ WS 14
Agenda
• What is this thing: Internet of Things (IoT)?
• Why do we need Ontology for IoT?
• What are the available Ontologies?
• What is Next?

3. Hot Topics NGN & FIT/ WS 14
The
Evolution
of
IoT
The
Internet Internet
of
Computers
The
Web Internet
of
Documents
Internet
of
People
Internet
of
Resources
Internet
of
Things
Social
Media
Cloud

4. Hot Topics NGN & FIT/ WS 14
What
is
this
thing:
Internet
of
Things
(IoT)
vs

5. Hot Topics NGN & FIT/ WS 14
What
is
this
thing:
Internet
of
Things
(IoT)

6. Hot Topics NGN & FIT/ WS 14
Components
of
IoT
• Smart management of power (consumption, storage)
• High performance micro-controllers
• Sensors and actuators
• Robust communication between devices
• Strong safeguards to ensure privacy and security

7. Hot Topics NGN & FIT/ WS 14
3
Layers
of
IoT
Physical Layer
A
physical
layer
consisting
of
sensors,
actuators;
any
kind
of
things
Information Layer
Information
layer
that
collects
knowledge
gathered
by
the
physical
layer
Functional Layer
A
function
layer
where
services
provided
by
the
physical
layer
is
listed

8. Hot Topics NGN & FIT/ WS 14
Ontology
• Formal description of a domain
• To infer information.
Pizza
Base
Thin Deep

9. Hot Topics NGN & FIT/ WS 14
Ontologies
for
IoT
• Semantic Sensor Network (SSN) ontology
• OpenIoT ontology
• Suggested Upper Merged Ontology (SUMO) by IEEE
• Semantic Web for Earth and Environmental Terminology (SWEET)
• SEEK Extensible Observation ontology

10. Hot Topics NGN & FIT/ WS 14
Semantic
Sensor
Network
(SSN)
ontology
World Wide Web Consortium (W3C)
• 41 concepts
• 39 objects
• 10 module
Semantic Sensor Networks Incubator Group (The SSN-XG)

11. Hot Topics NGN & FIT/ WS 14
Semantic
Sensor
Network
(SSN)
ontology
Fig
.
Overview
of
SSN
ontology
modules
Source:L. Lefort, C et al., “Semantic sensor network xg final report,” W3C Incubator Group Report, vol. 28, 2011.

12. Hot Topics NGN & FIT/ WS 14
OpenIoT
(oiot)
ontology
• Relies on W3C SSN ontology
• Inclusion of virtual sensor, utility metrics
DOLCE+DnS
Ultralite (DUL)
General
Knowledge
SSN Ontology
Describes
sensors
LinkedGeoData
+WGS84
Geographic
Locations
LSM vocabulary
Units and
reference metrics
SPITFIRE
Ontology
Extensions
SIOC
Cloud
Domain

13. Hot Topics NGN & FIT/ WS 14
OpenIoT
(oiot)
ontology
Source:http://academics.openiot.eu/?q=ontology/ns

14. Hot Topics NGN & FIT/ WS 14
Suggested
Upper
Merged
Ontology
(SUMO)
• Owned by IEEE, publicly free to use.
• Used in Information science, philosophy, engineering.
• Written in Knowledge Interchange Format (KIF) language
• 11 Sections, 25.000 terms, 80.000 axioms.

15. Hot Topics NGN & FIT/ WS 14
Ontology
Languages
• To encode ontology
• Knowledge Interchange Format (KIF)
• Ontology Interchange Language (OIL)
• DARPA Agent Markup Language (DAML)
• Web Ontology Language (OWL)

16. Hot Topics NGN & FIT/ WS 14
From
DAML
to
OWL

17. Hot Topics NGN & FIT/ WS 14
Web
Ontology
Language
(OWL)
• Developed by W3C, part of W3C’s Semantic Web Technology
• Computational logic based
• Designed to formulate, exchange and reason with knowledge
• Latest version: OWL 2
• Axioms: The basic statements
• Entities: Elements used to refer to real-world objects
• Expressions: Combinations of entities
Basic
Notions

18. Hot Topics NGN & FIT/ WS 14
Sublanguages
of
OWL
Basic
Elements:
Classes, Properties, Instances of Classes, and their relationships

19. Hot Topics NGN & FIT/ WS 14
Latest
Updates
• Web of Things Interest Group by W3C (on 25 January
2015)
• To create standards for Connected Objects and Web of
Data
• Scale up the WWW

20. Thank you