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Pourquoi Leroy Merlin
a besoin d'un
Knowledge Graph ?
Charles GOUWY
Business Product Leader - Knowledge Graph - Customer and
Commerce Platform
Baptiste LECOCQ
Technical Leader - Knowledge Graph - Customer and Commerce
Platform
Delphin AUBIN
Technical Leader - Knowledge Graph - Customer and
Commerce Platform
LA PLATEFORME MONDIALE
POUR UN HABITAT POSITIF
3
THE DIY & HOME
IMPROVEMENT
KNOWLEDGE
GRAPH
Products
Brands
Material
HomeSpaces
Colors
POURQUOI ?
Construire la plateforme de
publication qui permet aux habitants
de trouver facilement la meilleure
solution à leur projet d’amélioration
de leur habitat Notre Objectif
Beaucoup de
potentiel …
Quels produits
pour une salle de
bain ?
graphic bank reminder
L’exposition de notre offre
La Navigation
Recommendation
Moteur de recherche
Navigation
L’exposition de notre offre
graphic bank reminder
MARKETPLACE
X4 en 2 ans
> 2 millions
produits
QUOI ?
THE DIY & HOME
IMPROVEMENT
KNOWLEDGE
GRAPH
Products
Brands
Material
HomeSpaces
Colors
graphic bank reminder
Nos conseillers de vente
connaissent leurs produits
et guident les clients pour
trouver les produits dont ils
ont besoin.
TAXONOMIES
03
Style
naturel
industriel
Colors
Jaune
Vert
Rouge
Materials
Bois
Metal
Plastique
Verre
HomeSpaces
Cuisine
Jardin
Chambre
Salle de bain
Grenier
Toilettes
Nature of
Products
Perceuse
Piscine
Vis
Barbecue
Carrelage
Miroir
Scie
01
ONtologie
02
Nature
of Product
Peinture Bleu Bois
Salle de bain
Color Material HomeSpaces
Pinceau
ONtologie
02
Nature
of Product
Peinture Bleu Bois
Salle de bain
Color Material HomeSpaces
Pinceau
NEED_FOR_INSTALLATION
ONtologie
02
Nature
of Product
Peinture Bleu Bois
Salle de bain
Color Material HomeSpaces
Peinture
pour bois
Peinture
bois bleu
Peinture
salle de bain
IS_FOR
IS_FOR
IS_FOR
NARROWER
NARROWER
NARROWER
Pinceau
NEED_FOR_INSTALLATION
ONtologie
02
Nature
of Product
Peinture Bleu Bois
Salle de bain
Color Material HomeSpaces
Peinture
pour bois
Peinture
bois bleu
Peinture
salle de bain
IS_FOR
IS_FOR
IS_FOR
NARROWER
NARROWER
NARROWER
Pinceau
NEED_FOR_INSTALLATION
POUR
QUOI ?
Recommendation
Moteur de recherche
Navigation
L’exposition de notre offre
L’exposition de notre offre
TAUX DE VISITE AVEC
UTILISATION DE LA RECHERCHE
PROGRESSION DU TAUX D’AJOUT
PANIER
>40% TTRx3
La Recherche
APRES
L’exposition de notre offre
CA moyen généré par le cross-sell
10%
La Recommandation
AVANT
L’exposition de notre offre
La Recommandation
L’exposition de notre offre
La Recommandation
HOW ?
THE Knowledge Graph
KG
THE Knowledge Graph
Recommendation
Semantic
Search
Browsing
Taxonomies
Comportement
utilisateurs
Tickets de
caisse
Information
produits
Editos
Vidéos
KG
THE Knowledge Graph
KG
La spec
plusieurs millions
noeuds
plusieurs millions
relations
requêtes
complexes
< 20 ms
de temps de
réponse
> 600
appels par
seconde
2 mois
première MEP
plusieurs millions
noeuds
plusieurs millions
relations
requêtes
complexes
< 20 ms
de temps de
réponse
> 600
appels par
seconde
2 mois
première MEP
Agilité
plusieurs millions
noeuds
plusieurs millions
relations
requêtes
complexes
< 20 ms
de temps de
réponse
> 600
appels par
seconde
2 mois
première MEP
Performance
Agilité
On ne connaît
pas notre futur
modèle de
données
Que du graph ?
Plusieurs
schémas pour
différents
usecases ?
Modèle dynamique ?
Une chose ne
change jamais …
Le passé
Referentiel ?
Referentiel
Referentiel
Charles à créé le
concept Perceuse
le 24/06/22
Referentiel
Referentiel
Un petit peu de
structure
Ontologie
Event
Semantic
Event
Ontologie
Performance
Produit
Produit
Barbecue
électrique
Belongs to
Produit
Barbecue
électrique
Barbecue
Belongs to
Is a
Produit
Barbecue
électrique
Barbecue
Housse
de
Barbecue
Belongs to
Is a
Is accessory for
Produit
Barbecue
électrique
Barbecue
Housse
de
Barbecue
Produit
Produit
Produit
Belongs to
Is a
Is accessory for
Produit
Barbecue
électrique
Barbecue
Housse
de
Barbecue
Produit
Produit
Produit
Belongs to
Is a
Is accessory for
Produit
Barbecue
électrique
Barbecue
Housse
de
Barbecue
Produit
Produit
Produit
Belongs to
Is a
Is accessory for
Produit
Barbecue
électrique
Barbecue
Housse
de
Barbecue
Produit
Produit
Produit
Belongs to
Is a
Is accessory for
CQRS
Clef → Valeur
Clef
Valeur
Changement
de donnée
Calculs
complexes
CQRS
“Projection”
???
Un changement de label de
concept peut avoir des
milliers de répercussions
Comment maintenir les
“projections” à jour ?
Maintenir un graph de
dépendances des valeurs de
projections
Il faut sauvegarder les
dépendances des
“projections”
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Concept :
Barbecue
électrique
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Concept :
Barbecue
électrique
Calcul
result
Was fetched by
Was fetched by
Calcul
result
Was fetched by
Concept :
Barbecue
électrique
EN
RÉSUMÉ
Notre Knowledge Graph
DATA SEMANTIC
EVENTS
Product Data
Taxonomies
Business inputs
Recommendation
System
Semantic
Search
Browsing
KG
PROJECTION
ENGINE
Notre
Knowledge
Graph
>9 millions
noeuds
>33 millions
relations
> 1 million
mises à jour par
jour
< 5 ms
de temps de
réponse
> 600
appels par
seconde
~ 4
MEP par
semaine
Thank
You ;-)

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Pourquoi Leroy Merlin a besoin d'un Knowledge Graph ?