© ETSI 2018. All rights reservedETSI IoT workshop 2018. Sophia Antipolis, 24 October 2018

SAREF4CITY: BRIDGING DATA MODELS FOR SMART CITIESRaúl García-Castro (UPM), María Poveda-Villalón (UPM), Paola Espinoza Arias (UPM), Laura Daniele (TNO)

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SAREF OVERVIEW20

13

SMART 2013/0077 Standardization InitiativeEuropean Commission & ETSI EC SmartM2M• Agreed semantics for smart appliances• Build a reference ontology

2014

SAREF StudyPublicationSAREF Ontology

2015

2017

3 SAREF extensions• SAREF4ENER• SAREF4ENVI• SAREF4BLDG

3 newExtensionsPublication

2019

New STF534• SAREF4CITY• SAREF4INMA• SAREF4AGRI

2017

2018

Requirements for3 new extensions

past ongoing

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SAREF FAMILY OF ONTOLOGIES

http://saref.linkeddata.es/ Catalogue (UPM’s site, not official)

Includes:• SAREF ontology• SAREF4ENVI• SAREF4BLDG• SAREF4ENER

To be included (when available):• SAREF4CITY• SAREF4INMA• SAREF4AGRI

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DEVELOPING SAREF4CITY

Requirements validation

• IoT Week (4 Jun)

Stakeholder identification &Desk research

Raising awareness

Stakeholders:• Public

administrations• Associations• Projects• Platforms• SDOs

Resources:• Ontologies• Data models• Datasets• Standards

• Connected Smart Cities Conference (11 Jan)

• ITU WS on Data Processing and Management (19 Feb)

• OGC TC/PC meeting (22 May)

• IoT platforms & standardisation Workshop (27 Apr)

Implementation validation

• 22 November @ Brussels

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SAREF4CITY STAKEHOLDERS

• Madrid• EU Metadata

Registry• …

• H2020:AGILE, BIG IoT, bIoTope, CREATE-IoT, Autopilot, replicate, smartencity, smarter together, synchronicity, activAGE, iof2020, My smart life, Inter-IoT, Ruggedised, SHAR-LLM - Sharing cities, symbIoTe, TagItSmart!, U4IoT, MONICA, VICINITY, ESPRESSO

• AENOR CTN 178

• OGC CityGML• OGC

GeoSPARQL• ETSI ISG CIM• CityInd• oneM2M• W3C• …

• FEMP• AIOTI• EC Joinup /

ISA2

• schema.org• …

Associations StandardizationProjectsPublic Administrations

• FIWARE• …

Platforms

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EXTENDING SAREF TO SMART CITIES

Abstract measurements from devices to thingsAdd topology and geometry to thingsExtract PIs and KPIs from thing measurementsDescribe other things in citiesSpecify spatial areas of interestTake into account eventsSpecify city services

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SAREF

I’m measuring: 35 km/h

I’m measuring: 33 km/h

I’m measuring: 36 km/h

I’m measuring: 35 km/h

Plenty of measurements…

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FROM DEVICES TO THINGS

That car has a speed of: 35 km/h

Something has a speed of: 33 km/h

This car has a speed of: 36 km/h

This wheel has a speed of: 35 km/h

The car has a speed of 35 km/h

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ADD TOPOLOGY AND GEOMETRY

contains

The car in the blue areahas a speed of 35 km/h

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EXTRACT KPIS

No accidents…Low pollution…

Potential traffic jam…… in the blue area

The car in the blue areahas a speed of 35 km/h

The car in the blue areahas a speed of 33 km/h

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OTHER THINGS IN CITIES

The car in the blue areahas a speed of 35 km

and there is a pedestriancrossing nearby

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Mai

nSt

.

SPATIAL AREAS OF INTEREST

Temple St.

FortressDistrict

Lake District

Potential traffic jam…… in Main Street, 12

… in Main Street… in Fortress District

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TAKE INTO ACCOUNT EVENTS

Potential traffic jamin Main Street …just after the

basketball match

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SPECIFY CITY SERVICES (AND ORGANIZATIONS)

Potential traffic jamin Main Street just afterthe basketball match…… send new taxis via

Temple St.… intensify bus 31 service… parking slots available

in 20 minutes

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SAREF4CITY AT A GLANCE

SAREF

Events

Topology and Geometry

CommercialPremises SAREF

SAREF4CITY

PotentialSAREF4CITY uses

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SAREF4CITY REQUIREMENTS SOURCES

Requirements:EU Metadata Registry FEMP Open Data Guide exemplary datasetsFIWARE data model for KPIsISA Programme Location Core Vocabulary Joinup Core Public Organization VocabularyOGC CityGMLOGC GeoSPARQLschema.orgVocabulary referenced by AENOR UNE 178301:2015 W3C Registered Organization VocabularyW3C WGS84 Geo Positioning vocabulary

SAREF

Events

Topology and Geometry

Comm.Premises

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SPECIFICATION

https://www.etsi.org/deliver/etsi_tr/103500_103599/103506/01.01.01_60/tr_103506v010101p.pdf

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IMPLEMENTATION

• Conceptualization: ontology patterns definition from requirements

• Integrated view and refinement: on-going

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PUBLICATION

Supported by

https://w3id.org/def/saref4city

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NEXT STEPS FOR SAREF4CITY

On-going implementation of a cross-domain core model fromrequirements• Reuse existing solutions rather than reinvent the wheel

Validation with stakeholders:• Validation workshop @ EC premises, Brussels, 22nd November

2018 Final version of the ontology for February 2019

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YOUR FEEDBACK IS WELCOME!

22nd NovemberVenue: EC DG CNECT premisesCome to discuss:• The SAREF4CITY ontology• Synergies with other

models• Getting traction on SAREF• Internationalization of

SAREF• …

https://ec.europa.eu/digital-single-market/en/news/workshop-towards-harmonization-smart-city-models-interoperable-extension-saref-smart-cities

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Thank you for your attention!