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The Energy Management
Adviser at Electricité De
France

Pierre Chaussecourte, Birte Glimm, Ian Horrocks,
Boris Motik and Laurent Pierre

vendredi 25 octobre 13
•
•
•
•

One of the world’s leading electric utilities
72.7 billion sales 2012
39.3 million customers wordwide
159 740 employees
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
•
•
•
•

One of the world’s leading CS departments
Leading role in OWL development
OWL reasoners inc. HermiT, ELK & RDFox
Collaborating with EDF since 2010
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Summary
Presentation of the EMA
Modelling the EMA
Tools
Ongoing Developments
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Presentation of the
EMA
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
• Sending a “bare” invoice to our
customers is not possible anymore
• We must include an analysis of electricity
consumption and advice on energy
management
• We must also be able to send an alert
about electric consumption over a
period of time
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
2008

2009

2010

2011

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

2012
2008

2009

2010

2011

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

2012
2008

2009

2010

2011

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

2012
2008

2009

2010

2011

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

2012
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Vous pouvez constater que votre consommation d’électricité a été moins élevée en
moyenne cette année que l’année dernière. Pourtant la température a été en moyenne
moins élevée (- 1.6°C par rapport à l’année dernière), ce qui a pu augmenter votre
consommation de chauffage.
La raison de cette diminution est donc certainement due à une utilisation moins fréquente et
plus économe de vos équipements électriques que l’année dernière.

You can notice that your electricity consumption has been less high on average this year
than last year. However, the temperature has been less high on average (- 1.6°C compared
to last year), that could have increased your electricity consumption dedicated to heating.
This decrease is therefore certainly due to a less frequent and and more energy-efficient use
of your electric appliances than last year.
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Variations

You can notice that your electricity consumption has been higher on average this year than
last year. Considering that the temperature has been less high on average (- 1.6°C
compared to last year), this could have increased your electricity consumption dedicated to
heating.

You can notice that your electricity consumption has been higher on average this year than
last year. This increase is certainly due to a more frequent and less energy-efficient use of
your electric appliances than last year.

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Modelling the EMA

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
• We started by giving personalised advice
to our customers
• We added electricity consumption
analysis later
• Finally, we redesigned everything in
collaboration with Oxford
• Now EMA serves 300,000 customers
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Energy Management Adviser

Weather Report Service

Electric Heating
ColdWeather
OverConsuming
Owner
...
Yo can notice that ....

Forcasted Electricity
Consumption

Electricity Consumption Data

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
a_house

livesIn

a_client
hasTip

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
Lower

lower

hasTemperatureWinter

True

a_house

t
electricHeating
livesIn

a_client

Higher

hasTip

higher
hasConsumptionCompareWithPrevious
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
∃ livesIn.(∃ hasTemperatureWinter.Lower)
Lower

lower

hasTemperatureWinter

True

a_house

t
electricHeating
livesIn

a_client

Higher

hasTip

higher
hasConsumptionCompareWithPrevious
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
∃ livesIn.(∃ hasTemperatureWinter.Lower)
Lower

∃ livesIn.(∃ electricHeating.True)

lower

hasTemperatureWinter

True

a_house

t
electricHeating
livesIn

a_client

Higher

hasTip

higher
hasConsumptionCompareWithPrevious
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
∃ livesIn.(∃ hasTemperatureWinter.Lower)
Lower

∃ livesIn.(∃ electricHeating.True)

lower

∃ hasConsumptionCompareWithPrevious.Higher
hasTemperatureWinter

True

a_house

t
electricHeating
livesIn

a_client

Higher

hasTip

higher
hasConsumptionCompareWithPrevious
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
Lower

S≡

lower

{

∃ livesIn.(∃ hasTemperatureWinter.Lower)
∃ livesIn.(∃ electricHeating.True)
∃ hasConsumptionCompareWithPrevious.Higher

hasTemperatureWinter

True

a_house

t

S

electricHeating
livesIn

a_client

Higher

hasTip

higher
hasConsumptionCompareWithPrevious
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

a_tip
Lower

lower

hasTemperatureWinter

True

a_house

t

S

electricHeating
livesIn

a_client

hasTip
a_tip

Higher

isTipOf

higher
hasConsumptionCompareWithPrevious

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Lower

∃ isTipOf.S ⊑ C1

lower

hasTemperatureWinter

True

a_house

t

C1

S

electricHeating
livesIn

a_client

hasTip
a_tip

Higher

isTipOf

higher
hasConsumptionCompareWithPrevious

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Lower

∃ isTipOf.S ⊑ C1

lower
∃ isTipOf.S ⊑ C2
hasTemperatureWinter

True

a_house

t

C1

S

electricHeating
livesIn

a_client

hasTip
a_tip

Higher

isTipOf

higher
hasConsumptionCompareWithPrevious

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

C2
SELECT ?t
WHERE {
a_tip a ?t .
?t rdf:subClassOf ActualTip.
}

Lower

lower

∃ isTipOf.S ⊑ C1

∃ isTipOf.S ⊑ C2

hasTemperatureWinter

True

a_house

t

C1

S

electricHeating
livesIn

a_client

hasTip
a_tip

Higher

isTipOf

higher
hasConsumptionCompareWithPrevious

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

C2
Reasoning & Formulae

•

How to compute a formula in OWL ?

-

•

computation in advance
annotations on properties

What if a formula depends on inferred facts ?

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Special Situations
•

Not all the tips are valid for every customers

e.g. : Do not tell elderly customers to reduce their home
temperature

•

Define a new ontology vs Complicate the
existent one

•

A SPARQL query used to subtract inaplicable
tips
The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
a_non_tip
notIsTipOf

T1
a_client

a_tip
isTipOf

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
∃ hasAge.[integer >= 75]

a_non_tip

S’

notIsTipOf

T1
a_client

a_tip
isTipOf

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
∃ hasAge.[integer >= 75]

nT1

∃ notIsTipOf.S’ ⊑ nT1

a_non_tip

S’

notIsTipOf

T1
a_client

a_tip
isTipOf

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
∃ hasAge.[integer >= 75]

nT1

∃ notIsTipOf.S’ ⊑ nT1

a_non_tip

S’

notIsTipOf

T1
a_client

a_tip

SELECT ?t
WHERE {
a_tip a ?t .
?t rdf:subClassOf ActualTip.
MINUS {
a_non_tip a ?t .
?t rdf:subClassOf ActualTip.}
}

isTipOf

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Avoiding Nominals
•

As soon as assertions describing a customer change,
the ontology hierarchy has to be recomputed
S ⊑ ∃ hasTip.{c1}

•

∃ electricConsumption.{higher}

We use ‘simulated nominal class’ instead
∃ isTipOf.S ⊑ C1

∃ electricConsumption.Higher

higher : Higher

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Tools : Hermit

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
• HermiT is an open source OWL reasoner
• Implemented in Java
• We experimented with new solutions in
order to speed up processing of
customers

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
• Incremental changes in the ABox
(no nominals in the TBox)
• Batch of customers (4 is the best)

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Ongoing
Developments

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Modular Tips

•

Tips are represented as single class and are
associated with a customer situation

•

Combinatorial explosion of tips/customer situation
classes

•

Most of the tips share the same parts of text

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
«Your electric consumption has been higher but this winter has been colder than usual and this
could have increase your consumption»

higherElectricConsumption

explains

colderWinter

associatedTipFragment

«Your electric consumption has been higher»

associatedTipFragment

«this winter has been colder than usual»

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
«Your electric consumption has been higher but this winter has been colder than usual and this
could have increase your consumption»

higherElectricConsumption

explains

colderWinter

associatedTipFragment

«Your electric consumption has been higher»

associatedTipFragment

«this winter has been colder than usual»

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

75

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

a new freezer
increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

a new freezer
increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

a new freezer
increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Questionnaire
3

a new freezer
increase of heated surface

100

m2

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Triple Store

•
•
•
•

We have started developments with RDFOx
Customers information can be historicized
Comparison between customers is available
Using rules allows us to capture formulae in a
declarative way

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13
Thank you

The Energy Management Adviser at Electricité De France - ISWC 2013

vendredi 25 octobre 13

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The Energy Management Adviser at Electricité De France

  • 1. The Energy Management Adviser at Electricité De France Pierre Chaussecourte, Birte Glimm, Ian Horrocks, Boris Motik and Laurent Pierre vendredi 25 octobre 13
  • 2. • • • • One of the world’s leading electric utilities 72.7 billion sales 2012 39.3 million customers wordwide 159 740 employees The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 3. • • • • One of the world’s leading CS departments Leading role in OWL development OWL reasoners inc. HermiT, ELK & RDFox Collaborating with EDF since 2010 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 4. Summary Presentation of the EMA Modelling the EMA Tools Ongoing Developments The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 5. Presentation of the EMA The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 6. • Sending a “bare” invoice to our customers is not possible anymore • We must include an analysis of electricity consumption and advice on energy management • We must also be able to send an alert about electric consumption over a period of time The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 7. 2008 2009 2010 2011 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 2012
  • 8. 2008 2009 2010 2011 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 2012
  • 9. 2008 2009 2010 2011 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 2012
  • 10. 2008 2009 2010 2011 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 2012
  • 11. The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 12. Vous pouvez constater que votre consommation d’électricité a été moins élevée en moyenne cette année que l’année dernière. Pourtant la température a été en moyenne moins élevée (- 1.6°C par rapport à l’année dernière), ce qui a pu augmenter votre consommation de chauffage. La raison de cette diminution est donc certainement due à une utilisation moins fréquente et plus économe de vos équipements électriques que l’année dernière. You can notice that your electricity consumption has been less high on average this year than last year. However, the temperature has been less high on average (- 1.6°C compared to last year), that could have increased your electricity consumption dedicated to heating. This decrease is therefore certainly due to a less frequent and and more energy-efficient use of your electric appliances than last year. The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 13. Variations You can notice that your electricity consumption has been higher on average this year than last year. Considering that the temperature has been less high on average (- 1.6°C compared to last year), this could have increased your electricity consumption dedicated to heating. You can notice that your electricity consumption has been higher on average this year than last year. This increase is certainly due to a more frequent and less energy-efficient use of your electric appliances than last year. The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 14. Modelling the EMA The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 15. • We started by giving personalised advice to our customers • We added electricity consumption analysis later • Finally, we redesigned everything in collaboration with Oxford • Now EMA serves 300,000 customers The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 16. Energy Management Adviser Weather Report Service Electric Heating ColdWeather OverConsuming Owner ... Yo can notice that .... Forcasted Electricity Consumption Electricity Consumption Data The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 17. a_house livesIn a_client hasTip The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 a_tip
  • 20. ∃ livesIn.(∃ hasTemperatureWinter.Lower) Lower ∃ livesIn.(∃ electricHeating.True) lower hasTemperatureWinter True a_house t electricHeating livesIn a_client Higher hasTip higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 a_tip
  • 21. ∃ livesIn.(∃ hasTemperatureWinter.Lower) Lower ∃ livesIn.(∃ electricHeating.True) lower ∃ hasConsumptionCompareWithPrevious.Higher hasTemperatureWinter True a_house t electricHeating livesIn a_client Higher hasTip higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 a_tip
  • 22. Lower S≡ lower { ∃ livesIn.(∃ hasTemperatureWinter.Lower) ∃ livesIn.(∃ electricHeating.True) ∃ hasConsumptionCompareWithPrevious.Higher hasTemperatureWinter True a_house t S electricHeating livesIn a_client Higher hasTip higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 a_tip
  • 24. Lower ∃ isTipOf.S ⊑ C1 lower hasTemperatureWinter True a_house t C1 S electricHeating livesIn a_client hasTip a_tip Higher isTipOf higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 25. Lower ∃ isTipOf.S ⊑ C1 lower ∃ isTipOf.S ⊑ C2 hasTemperatureWinter True a_house t C1 S electricHeating livesIn a_client hasTip a_tip Higher isTipOf higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 C2
  • 26. SELECT ?t WHERE { a_tip a ?t . ?t rdf:subClassOf ActualTip. } Lower lower ∃ isTipOf.S ⊑ C1 ∃ isTipOf.S ⊑ C2 hasTemperatureWinter True a_house t C1 S electricHeating livesIn a_client hasTip a_tip Higher isTipOf higher hasConsumptionCompareWithPrevious The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13 C2
  • 27. Reasoning & Formulae • How to compute a formula in OWL ? - • computation in advance annotations on properties What if a formula depends on inferred facts ? The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 28. Special Situations • Not all the tips are valid for every customers e.g. : Do not tell elderly customers to reduce their home temperature • Define a new ontology vs Complicate the existent one • A SPARQL query used to subtract inaplicable tips The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 29. a_non_tip notIsTipOf T1 a_client a_tip isTipOf The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 30. ∃ hasAge.[integer >= 75] a_non_tip S’ notIsTipOf T1 a_client a_tip isTipOf The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 31. ∃ hasAge.[integer >= 75] nT1 ∃ notIsTipOf.S’ ⊑ nT1 a_non_tip S’ notIsTipOf T1 a_client a_tip isTipOf The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 32. ∃ hasAge.[integer >= 75] nT1 ∃ notIsTipOf.S’ ⊑ nT1 a_non_tip S’ notIsTipOf T1 a_client a_tip SELECT ?t WHERE { a_tip a ?t . ?t rdf:subClassOf ActualTip. MINUS { a_non_tip a ?t . ?t rdf:subClassOf ActualTip.} } isTipOf The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 33. Avoiding Nominals • As soon as assertions describing a customer change, the ontology hierarchy has to be recomputed S ⊑ ∃ hasTip.{c1} • ∃ electricConsumption.{higher} We use ‘simulated nominal class’ instead ∃ isTipOf.S ⊑ C1 ∃ electricConsumption.Higher higher : Higher The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 34. Tools : Hermit The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 35. • HermiT is an open source OWL reasoner • Implemented in Java • We experimented with new solutions in order to speed up processing of customers The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 36. • Incremental changes in the ABox (no nominals in the TBox) • Batch of customers (4 is the best) The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 37. Ongoing Developments The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 38. Modular Tips • Tips are represented as single class and are associated with a customer situation • Combinatorial explosion of tips/customer situation classes • Most of the tips share the same parts of text The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 39. «Your electric consumption has been higher but this winter has been colder than usual and this could have increase your consumption» higherElectricConsumption explains colderWinter associatedTipFragment «Your electric consumption has been higher» associatedTipFragment «this winter has been colder than usual» The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 40. «Your electric consumption has been higher but this winter has been colder than usual and this could have increase your consumption» higherElectricConsumption explains colderWinter associatedTipFragment «Your electric consumption has been higher» associatedTipFragment «this winter has been colder than usual» The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 41. Questionnaire 3 75 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 42. Questionnaire 3 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 43. Questionnaire 3 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 44. Questionnaire 3 increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 45. Questionnaire 3 increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 46. Questionnaire 3 a new freezer increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 47. Questionnaire 3 a new freezer increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 48. Questionnaire 3 a new freezer increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 49. Questionnaire 3 a new freezer increase of heated surface 100 m2 The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 50. Triple Store • • • • We have started developments with RDFOx Customers information can be historicized Comparison between customers is available Using rules allows us to capture formulae in a declarative way The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13
  • 51. Thank you The Energy Management Adviser at Electricité De France - ISWC 2013 vendredi 25 octobre 13