Laura Daniele | SAREF and SAREF4EE: Towards interoperability for Smart Appliances in the IoT World
1. BIG DATA VARIETY AND STRUCTURE
DATA SHARING IN THE IoT WORLD
Laura Daniele
Semantic Web Meetup:
Big Data and Linked Data - the Best of Two Worlds
12 September 2016, Leipzig, Germany
3. TNO - THE NETHERLANDS ORGANIZATION
FOR APPLIED SCIENTIFIC RESEARCH
Mission: TNO connects people and knowledge to create innovations
that boost the sustainable competitive strength of industry and well-
being of society.
‘INNOVATION FOR LIFE’
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4. DATA SCIENCE DEPARTMENT:
CONNECTED BUSINESS GROUP
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Governance Semantics Infrastructure
ITCMF
Data quality
Open standards
Distributed governance
for networked ontologies
Governance business
models
Ontology matching
RDF/OWL/SPARQL
Linked data
Semantic reasoning
Federated platforms
Blockchain technology
Semantically rich
infrastructure
Scalability
System of systems
6. CURRENT SITUATION:
NOT-SO-SMART-HOME…
thermostat
smart garage door opener
smart door lock
alarm system
light bulbs
basement flood detector
security camerasmart TV
motion detector
smoke detector smart assistant
energy
meter
energy manager
smart wrist bands
wearables smart scale
dishwasher
More and more devices
become smart and are
connected to the
Internet (of Things)
7. MARKET FRAGMENTATION
Companies like Apple, Google and Amazon have built up their own
solutions for connecting smart home devices
Apple HomeKit with Siri
Amazon Echo with Alexa
Nest with its own automation system
Google Home with Google smart assistant
Microsoft with Cortana
Samsung with SmartThings
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8. STANDARDIZATION
Standards efforts and relevant actors
AllSeen alliance (Qualcomm, Microsoft, LG, Sony, Electrolux, etc.)
OCF - Open Connectivity Foundation, previously OIC (Intel and Samsung)
AllSeen members also part of OCF (e.g., Qualcomm, Microsoft, Electrolux)
AIOTI
European Commission
ETSI
oneM2M
IETF
W3C Web Of Things
IoT schema.org
etc.
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9. PROBLEM (1/2)
Integration is now a problem of the user who should be aware of what
is interoperable with what
Samsung SmartThings devices controllable through Amazon’s Alexa but not
Apple’s Siri
Philips Hue interoperable with Nest, but other light bulbs not (e.g., Cree
bulbs) do not interoperate with Nest
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10. PROBLEM (2/2)
Users should not worry about buying devices that work together,
these devices should have a standard way to communicate
Also, dilemma for device makers: which solution/language to support
when building new devices?
Need to abstract from details of specific solutions and protocols by
creating an abstraction layer based on a commonly agreed semantics
to enable interoperability
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11. CHALLENGES
How to harmonise this incredible fragmentation of solutions in a
common open standard?
Will the big players like Apple, Google, Amazon ever be interested in
these common standards?
Will be the offer of devices and services that emerge from a common
standard be better than proprietary systems like Apple, Google,
Amazon?
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13. THE SMART APPLIANCES PROJECT
In 2013, the European Commission (EC) launched a standardization
initiative to create the missing abstraction layer
TNO was subsequently invited by the EC to lead the initiative and
created SAREF, the Smart Appliance REFerence ontology (January
2014 - April 2015)
https://w3id.org/saref
https://sites.google.com/site/smartappliancesproject
In November 2015, SAREF was standardized by ETSI as a Technical
Specification TS 103 264
http://www.etsi.org/deliver/etsi_ts/103200_103299/103264/01.01.01_60/ts_
103264v010101p.pdf
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14. SAREF
More details on SAREF in the next days
poster at VoCarnival on Tuesday 13th at 19:00
industry talk on Wednesday 14th at 15:15 (Internet Of Things
session)
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15. CHALLENGES
How to harmonise this incredible fragmentation of solutions? Open
standards?
Will the big players like Apple, Google, Amazon ever be interested in
those common standards?
Will be the offer of devices and services that emerge from a common
standard be better than proprietary systems like Apple, Google,
Amazon?
Need to abstract from details of specific standards and protocols by
creating an abstraction layer based on a commonly agreed semantics
to enable interoperability
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17. The IoT schema.org initiative
Google has recently started an initiative in which TNO is involved as
developer of SAREF for the EC and member of ETSI
Site: http://iot.webschemas.org
Initial discussion document: http://iot.webschemas.org/docs/iot-
gettingstarted.html
Mailing list: https://groups.google.com/forum/#!forum/sdo-iot-sync
GitHub issue: https://github.com/schemaorg/schemaorg/issues/1272
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22. TIMELINE
Phase 1 (summer 2016): identify public mailing lists for topical
discussion
collection of existing works including literature reviews, mappings,
collaborative prototyping and use-case driven sketching of possible designs
Phase 2 (later in 2016): exploration of existing or newly proposed
schemas as extensions to schema.org
conversion/mapping/transformation from original data formats into
something compatible with schema.org's datamodel
Phase 3 (primarily during 2017): more substantive additions to
schema.org core and/or population of term definitions at
iot.schema.org
modeling and prototyping explorations, and dialogue with relevant
standards efforts such as W3C WoT
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