As I said, neither TDB component distinguishes between ontology triples and 
other RDF. Are you using the word ontology in some other sense?

How a given query is executed depends on a great deal of detail, including the 
form of the query. Perhaps you can explain more of the background to your 
question and we can give you a more useful answer...

ajs6f

> On Oct 30, 2018, at 12:02 PM, ashutosh mehta <[email protected]> wrote:
> 
> I meant TDB2.
> When a sparql query is made on the ontology, does only a particular node is
> hit or doea it traverse the graph from the beginning?
> 
> 
> On Tue, Oct 30, 2018, 7:10 PM ajs6f <[email protected]> wrote:
> 
>> For TDB1 (you don't say whether you mean TDB1 or TDB2):
>> 
>> https://jena.apache.org/documentation/tdb/architecture.html
>> 
>> OWL, to either TDB, is just more RDF. TDB makes no distinction between
>> ontology and instance data. Indexing is as described in the link above,
>> along with any additional text or spatial indexing you may have created by
>> using those Jena components.
>> 
>> ajs6f
>> 
>>> On Oct 30, 2018, at 9:36 AM, ashutosh mehta <[email protected]>
>> wrote:
>>> 
>>> Hi,
>>> Is there any documentation regarding TDB structure. How does it store owl
>>> files(ontology)?
>>> 
>>> How does  indexing happen in TDB?
>>> 
>>> Thanks
>>> Kind Regards
>>> Ashutosh
>> 
>> 

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