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Based on the given datasets, an ontology should be engineered, the data shall be integrated in a knowledge graph as well | |||
as the business questions should be answered from that graph. | |||
== | == Objectives == | ||
A company want to make their knowledge graph accessible via a SPARQL service. | |||
The SPARQL service need to answer business questions, examples: | |||
# Find related products (e.g. cluster by packaging size or weight) | |||
# Find services / products without a product manager | |||
# Find services / products without responsible department | |||
# Identify alternative experts that can take over responsibility | |||
Three datasets exists and these data have to be reusable in a knowledge graph accessible via a SPARQL service. | |||
== Définition de votre graphe de connaissances == | == Définition de votre graphe de connaissances == | ||
Version du 5 septembre 2021 à 07:32
Based on the given datasets, an ontology should be engineered, the data shall be integrated in a knowledge graph as well as the business questions should be answered from that graph.
Objectives
A company want to make their knowledge graph accessible via a SPARQL service.
The SPARQL service need to answer business questions, examples:
- Find related products (e.g. cluster by packaging size or weight)
- Find services / products without a product manager
- Find services / products without responsible department
- Identify alternative experts that can take over responsibility
Three datasets exists and these data have to be reusable in a knowledge graph accessible via a SPARQL service.
Définition de votre graphe de connaissances
Schema
Diagramme de classes ou modèle RDF (comme vue en cours)
Vocabulaire
Base
BASE <https://data.escr.fr/wiki/Utilisateur:Karima_Rafes/Exemple_de_page_projet_pour_ESGI#>
Préfixes
PREFIX ex: <http://www.example.org/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
Classes
Movie
<Movie> rdf:type rdfs:Class .
MovieStaff
<MovieStaff> rdf:type rdfs:Class .
Actor
<Actor> rdf:type rdfs:Class .
<Actor> rdfs:subClassOf <MovieStaff>.
Propriétés
participatesIn
<participatesIn> rdf:type rdf:Property .
participatesIn
<starsIn> rdf:type rdf:Property .
<starsIn> rdfs:subPropertyOf <participatesIn> .
<starsIn> rdfs:domain <Actor>.
<starsIn> rdfs:range <Movie>.
Exemple d'un jeu de données
ex:bradPitt rdf:type <Actor>.
ex:bradPitt ex:starsIn ex:worldWarZ .
Requêtes
Vérification que le vocabulaire est bien chargé :
| p | v |
|---|---|
| http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://www.w3.org/2000/01/rdf-schema#Class |
| 09:33:14 25/04/2024 -- Actualiser -- Durée de la requête :0.031s -- CSV | |
| p | v |
|---|---|
| http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://www.w3.org/2000/01/rdf-schema#Class |
| 09:33:14 25/04/2024 -- Actualiser -- Durée de la requête :0.024s -- CSV | |
| p | v |
|---|---|
| http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://www.w3.org/2000/01/rdf-schema#Class |
| http://www.w3.org/2000/01/rdf-schema#subClassOf | https://data.escr.fr/wiki/Utilisateur:Karima_Rafes/Exemple_de_page_projet_pour_ESGI#MovieStaff |
| 09:33:14 25/04/2024 -- Actualiser -- Durée de la requête :0.023s -- CSV | |
| p | v |
|---|---|
| http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://www.w3.org/1999/02/22-rdf-syntax-ns#Property |
| 09:33:14 25/04/2024 -- Actualiser -- Durée de la requête :0.018s -- CSV | |
Vérification que les données sont chargées :
Démonstration
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