Ressource pédagogique : 2. Statements
This video présents the SPARQL Statements.
The first statement is the optional pattern. It enables to specify a part of a graph pattern that is not mandatory in the answer of the query. In the example below, t...
cours / présentation - Date de création : 08-09-2016
Présentation de: 2. Statements
Informations pratiques sur cette ressource
Anglais
Type pédagogique : cours / présentation
Niveau : licence
Durée d'exécution : 4 minutes 51 secondes
Contenu : image en mouvement
Document : video/mp4
Taille : 177.23 Mo
Droits : libre de droits, gratuit
Droits réservés à l'éditeur et aux auteurs. Unless otherwise specified, the course material is provided under the Creative Commons License BY-NC-ND: the name of the author should always be mentioned; the user can exploit the work except in a commercial context; and he or she cannot make changes to the original work.
Droits réservés à l'éditeur et aux auteurs. Unless otherwise specified, the course material is provided under the Creative Commons License BY-NC-ND: the name of the author should always be mentioned; the user can exploit the work except in a commercial context; and he or she cannot make changes to the original work.
Description de la ressource pédagogique
Description (résumé)
This video présents the SPARQL Statements. The first statement is the optional pattern. It enables to specify a part of a graph pattern that is not mandatory in the answer of the query. In the example below, there is a mandatory part which is the person variable with the homepage Fabien, then there's an optional part of the query, where we would like to have the name of the resource person, but if we find no name in the target graph, the query will not fail, we will still have a result. So among the result of this query, we may have values, or not for the name variable and so in some results, the name variable may be unbound, that means that this variable may have no value in the results. ...
"Domaine(s)" et indice(s) Dewey
- Internet (004.678)
Thème(s)
AUTEUR(S)
-
Fabien GANDON
-
Catherine FARON ZUCKER
-
Catherine FARON ZUCKER
-
Olivier CORBY
EN SAVOIR PLUS
-
Identifiant de la fiche
46251 -
Identifiant
oai:canal-u.fr:46251 -
Schéma de la métadonnée
- LOMv1.0
- LOMFRv1.0
- Voir la fiche XML
-
Entrepôt d'origine
Canal-u.fr
