I also like the RowSource name. Here is the updated UML.
Alex
On 04/05/2011, at 15:55, Ivan Herman wrote:
>
> On May 4, 2011, at 15:34 , Souripriya Das wrote:
>
>> I too like Alexander's proposal. Abstracting the details of, what we call a rowsource, away from TriplesMap seems nice.
>>
>> Maybe we need to change the names a bit. Specifically, while "relation" is a well-understood term in relational algebra, its use causes some confusion with relationship (or predicates) in RDF.
>
> Being the archetype of an RDF savy person who has no experience/knowledge in relational algebra, I fully agree:-) It took me a while to understand the proposal due to this misunderstanding!
>
> Ivan
>
>
>
>>
>> So, instead of "relation", we could use "rowSource" as the theme term. For example, instead of rr:relation we could use rr:rowSource as the property name whose value identifies the source for the rows that a TriplesMap is trying to map to RDF triples.
>>
>> Using this new naming in Alex's example:
>>
>> <TriplesMap1>
>> a rr:TriplesMapClass;
>> rr:rowSource<MyTable>;
>> ...
>>
>> <TriplesMap2>
>> a rr:TriplesMapClass;
>> rr:rowSource<GetFailStudents>;
>> ...
>>
>> <TriplesMap3>
>> a rr:TriplesMapClass;
>> rr: rowSource<GetFailStudents>;
>> ...
>>
>> <MyTable>
>> a rr:ReferencableRowSourceClass;
>> rr:tableName "my_table";
>> rr:tableOwner "my_schema".
>>
>> <GetFailStudents>
>> a rr:QueryResultRowSourceClass;
>> rr:SQLQuery "SELECT id, name FROM my_schema.students WHERE grade< 50".
>>
>> Thanks,
>> - Souri.
>>
>>
>>
>
>
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