Re: [Bigdata-developers] Org Ontology Inferencing

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Kaushik,

I was able to get your example working using the following steps.  I
suspect the issue may have been that you had not loaded the ontology data
prior to loading the instance data.  Please give it a try and let us know
if that works.

Thanks, --Brad

1.  Create a properties file with your properties
(owl_test/test.properties) and started a blazegraph workbench instance.

java -Xmx2g -Dbigdata.propertyFile=owl_test/test.properties -jar
bigdata-bundled-1.5.1.jar

2.  Loaded the ontology data in the workbench (
http://localhost:9999/bigdata/).  Under the "Update" tab, I selected "File
Path or URL" and pasted in http://www.w3.org/ns/org.n3.

3.  Loaded the instance data.  Also in the workbench "Update" tab, I
selected "RDF Data" with the format "Turtle".

@prefix : <http://kg.cts.com/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

@prefix org: <http://www.w3.org/ns/org#> .

:A rdf:type org:Organization .

:139137 rdf:type foaf:Agent ;
rdfs:label "139137" ;
org:memberOf :A .

4.  Issued the SPARQL Query in the workbench.

prefix : <http://kg.cts.com/>
prefix foaf: <http://xmlns.com/foaf/0.1/>
prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix owl: <http://www.w3.org/2002/07/owl#>
prefix org: <http://www.w3.org/ns/org#>

select distinct ?s ?w
where
{
  ?s org:hasMember ?w .
}

with the expected results.

<http://kg.cts.com/A>
<http://localhost:9999/bigdata/#explore:kb:<http://kg.cts.com/A>>
<http://kg.cts.com/139137>
<http://localhost:9999/bigdata/#explore:kb:<http://kg.cts.com/139137>>

On Mon, Apr 27, 2015 at 9:33 PM, Bryan Thompson <br...@sy...> wrote:

> Ontologies are just data. Use any approach you would use to load the data.
>
> Bryan
> On Apr 27, 2015 11:04 AM, "Kaushik Chakraborty" <kay...@gm...>
> wrote:
>
>> Hi,
>>
>> If I put this RDF data in the Updata panel of NanoSparqlServer:
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *@prefix : <http://kg.cts.com/ <http://kg.cts.com/>> .@prefix foaf:
>> <http://xmlns.com/foaf/0.1/ <http://xmlns.com/foaf/0.1/>> .@prefix rdf:
>> <http://www.w3.org/1999/02/22-rdf-syntax-ns#
>> <http://www.w3.org/1999/02/22-rdf-syntax-ns#>> .@prefix rdfs:
>> <http://www.w3.org/2000/01/rdf-schema#
>> <http://www.w3.org/2000/01/rdf-schema#>> .@prefix owl:
>> <http://www.w3.org/2002/07/owl# <http://www.w3.org/2002/07/owl#>> .@prefix
>> org: <http://www.w3.org/ns/org# <http://www.w3.org/ns/org#>> .:A rdf:type
>> org:Organization .:139137 rdf:type foaf:Agent ; rdfs:label "139137" ;
>> org:memberOf :A .*
>>
>> And then if I make a query like this
>>
>> *prefix : <http://kg.cts.com/ <http://kg.cts.com/>>*
>> *prefix foaf: <http://xmlns.com/foaf/0.1/ <http://xmlns.com/foaf/0.1/>>*
>> *prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
>> <http://www.w3.org/1999/02/22-rdf-syntax-ns#>>*
>> *prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#
>> <http://www.w3.org/2000/01/rdf-schema#>>*
>> *prefix owl: <http://www.w3.org/2002/07/owl#
>> <http://www.w3.org/2002/07/owl#>>*
>> *prefix org: <http://www.w3.org/ns/org# <http://www.w3.org/ns/org#>>*
>>
>> *select distinct ?s ?w*
>> *where*
>> *{*
>> *  ?s org:hasMember ?w .*
>> *}*
>>
>> It should list <http://kg.cts.com/A> and <http://kg.cts.com/139137>
>> respectively as ?s and ?w as per the Organization Ontology (
>> http://www.w3.org/TR/vocab-org/#org:Organization)
>>
>> But that's not happening. Clearly the inferencing is not working for Org
>> Ontology.
>>
>> Here're my namespace properties:
>>
>> com.bigdata.namespace.kb.spo.com.bigdata.btree.BTree.branchingFactor1024
>> com.bigdata.relation.containertest-import
>> com.bigdata.journal.AbstractJournal.bufferModeDiskRW
>> com.bigdata.journal.AbstractJournal.filebigdata.jnl
>> com.bigdata.journal.AbstractJournal.initialExtent209715200
>> com.bigdata.rdf.store.AbstractTripleStore.vocabularyClass
>> com.bigdata.rdf.vocab.DefaultBigdataVocabulary
>> com.bigdata.rdf.store.AbstractTripleStore.textIndexfalse
>> com.bigdata.btree.BTree.branchingFactor128
>> com.bigdata.namespace.kb.lex.com.bigdata.btree.BTree.branchingFactor400
>> com.bigdata.rdf.store.AbstractTripleStore.axiomsClass
>> com.bigdata.rdf.axioms.OwlAxioms
>> com.bigdata.service.AbstractTransactionService.minReleaseAge1
>> com.bigdata.rdf.sail.truthMaintenancetrue
>> com.bigdata.journal.AbstractJournal.maximumExtent209715200
>> com.bigdata.rdf.sail.namespacetest-importcom.bigdata.relation.class
>> com.bigdata.rdf.store.LocalTripleStore
>> com.bigdata.rdf.store.AbstractTripleStore.quadsfalse
>> com.bigdata.relation.namespacetest-import
>> com.bigdata.btree.writeRetentionQueue.capacity4000
>> com.bigdata.rdf.store.AbstractTripleStore.statementIdentifiersfalse
>> What am I missing here ?
>>
>>
>>
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>
> ------------------------------------------------------------------------------
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> Widest out-of-the-box monitoring support with 50+ applications
> Performance metrics, stats and reports that give you Actionable Insights
> Deep dive visibility with transaction tracing using APM Insight.
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-- 
_______________
Brad Bebee
Managing Partner
SYSTAP, LLC
e:  be...@sy...
m: 202.642.7961
f:  571.367.5000
w:  www.systap.com

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Re: [Bigdata-developers] Org Ontology Inferencing

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Re: [Bigdata-developers] Org Ontology Inferencing