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 Worlds12 September 2016, Leipzig, Germany

TNO

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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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

SMART HOME

CURRENT SITUATION: NOT-SO-SMART-HOME…

thermostat

smart garage door openersmart 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)

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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STANDARDIZATION

Standards efforts and relevant actorsAllSeen 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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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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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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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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SOLUTION

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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SAREF

More details on SAREF in the next days poster at VoCarnival on Tuesday 13th at 19:00industry talk on Wednesday 14th at 15:15 (Internet Of Things session)

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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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IoT schema.org INITIATIVE

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.orgInitial discussion document: http://iot.webschemas.org/docs/iot-gettingstarted.htmlMailing list: https://groups.google.com/forum/#!forum/sdo-iot-syncGitHub issue: https://github.com/schemaorg/schemaorg/issues/1272

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ENTRY POINT FOR WORK RELATED TO IoT schema.org

INITIAL DISCUSSION PAPER

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MAILING LIST

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GitHub issue

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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 WoT22

THANK YOU FOR YOUR ATTENTIONlaura.daniele@tno.nl