Hello everyone,
I currently encounter a problem with the mapping language D2RQ. So here's my
problem in detail.
I have a table "question_ecrite" and two fields in this table are
"date_reponse" which is of type date and "reponse" which is of type "string".
Now my ontology (oan) consists of two classes "QuestionEcrite" and another
"Reponse ". On the class "Reponse" I have two properties "dateReponse" and
"texteReponse".
Now how is it possible to map with D2RQ my table "question_ecrite" and
especially my fields “date_reponse "and "reponse" with the properties of class
"Reponse". Or more precisely is it possible to make a series of properties to
arrive until the field that i want.
Here's what I did:
map: question_ecrite_date_reponse has d2rq: PropertyBridge;
d2rq: belongsToClassMap map: question_ecrite;
d2rq: property oan: dateReponse;
d2rq: column "question_ecrite.date_reponse";
.
map: question_ecrite_reponse has d2rq: PropertyBridge;
d2rq: belongsToClassMap map: question_ecrite;
d2rq: property oan: texteReponse;
d2rq: column "question_ecrite.reponse";
.
In summary the field date_reponse "must match the path in the ontology:
(class)questionEcrite -----> (property)reponseCorrespondante ------>
(class)Reponse ----> (property)dateReponse
And the field "response" to the path:
(class)questionEcrite -----> (property)reponseCorrespondante ----->
(class)Reponse -----> (property)texteReponse
Hoping to have been clear. And thank you in advance.
Julien.
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