Hi Russell,
I believe the issue is that the SWP below uses a ui:setContext which
basically makes the inferred triples invisible to the downstream
processes. The correct order is illustrated in the attached example,
which runs inferences over kennedysSPIN and prints JSON in the format
that you have proposed. (Note that I also took out the ?s in the GRAPH
ui:tempGraph because it was not finding any matches in the kennedys
example.) But the big picture is that sml:ApplyTopSPIN will run
inferences on the current query graph (the surrounding context) and the
children of it are the inferred triples.
HTH
Holger
On 8/03/2017 8:45, Russell Morrisey wrote:
Holger,
We are proceeding with TBL, using federated query to solve the volume
issue.
I reviewed your SM script. In my use case, I really don't want the
inferred triples to be saved off to a file. What I think I want to do
is invoke the *sml:ApplyTopSPIN* function in a SWP endpoint.
I tried this approach, but could not get it to work. Can you help me
figure out what I'm doing wrong?
Here is my prototype SWP endpoint.
Currently, the query is returning no results. If I move the query's
"?s ?p ?o" inside the GRAPH block, I can see the inserted triples, but
no inferred triples are showing up.
|
<ui:group>
<sml:ApplyTopSPIN sml:replace="true">
<ui:setPrefix
ui:namespace="http://www.w3.org/2000/01/rdf-schema#"; ui:prefix="rdfs"/>
<ui:setPrefix
ui:namespace="http://knowledge.cscglobal.com/question-answer/1.0/api/schema/";
ui:prefix="qnaApi"/>
<ui:setPrefix
ui:namespace="http://knowledge.cscglobal.com/question-answer/1.0/api/data/";
ui:prefix="qnaData"/>
<ui:setContext ui:queryGraph="{=
ui:graphWithImports(<http://knowledge.cscglobal.com/question-answer/1.0/api/rules>)
}" ui:silentTransactions="true">
<ui:update ui:updateQuery="{!
INSERT {
GRAPH ui:tempGraph {
?qnaRequest a qnaApi:QuestionKnowledgeRequest .
?qnaRequest qnaApi:orderTypeCode "TCC" .
?qnaRequest qnaApi:stateName "Delaware" .
} .
}
WHERE {
BIND
(spif:buildUniqueURI("qnaData:{?1}", spif:generateUUID()) AS
?qnaRequest) .
} }"/>
<swon:Object>
<swon:Value arg:name="order">
<swon:Object>
<swon:Value arg:name="foo" arg:value="bar"/>
<swon:Value arg:name="services">
<swon:Array>
<ui:forEach ui:resultSet="{#
SELECT ?s ?p ?o
WHERE {
GRAPH ui:tempGraph {
?s a qnaApi:QuestionKnowledgeRequest .
} .
?s ?p ?o .
}
LIMIT 10 }" ui:separator=",">
<ui:br/>
<swon:Object>
<swon:Value arg:name="s" arg:value="{= ?s }"/>
<swon:Value arg:name="p" arg:value="{= ?p }"/>
<swon:Value arg:name="o" arg:value="{= ?o }"/>
</swon:Object>
</ui:forEach>
</swon:Array>
</swon:Value>
</swon:Object>
</swon:Value>
</swon:Object>
</ui:setContext>
</sml:ApplyTopSPIN>
</ui:group>
|
Thanks!
On Sunday, February 19, 2017 at 5:46:26 PM UTC-5, Holger Knublauch wrote:
Ok, if there is a TBL server in the mix then we can rely on
SPARQLMotion (or SWP) to perform inferencing. This could
theoretically happen on the fly for each request, e.g. by calling
a SPARQLMotion script with parameters. But this would have the
server re-apply the inferences for each individual request, and
may not be performant. So one possible work flow would be to have
a small SM script that applies inferences and produces a new named
graph (e.g. TTL file or TDB), and then query that new named graph
with the usual SPARQL end point. You would call this script before
you want to query or periodically if the data changes.
I have attached an SM file that you can put into your TBL
workspace (e.g. via project upload). An example call using TBC-ME
would be
http://localhost:8083/tbl/sparqlmotion?id=createInfGraph:CreateInfGraph&graphName=http://topbraid.org/examples/kennedysSPIN
<http://localhost:8083/tbl/sparqlmotion?id=createInfGraph:CreateInfGraph&graphName=http://topbraid.org/examples/kennedysSPIN>
The script looks like:
The produces a stand-alone graph with all inferences which you can
then query using the SPARQL end point, e.g.
SELECT *
WHERE {
GRAPH <http://topbraid.org/examples/kennedysSPIN-withSPIN>
<http://topbraid.org/examples/kennedysSPIN-withSPIN> {
?subject a <http://topbraid.org/examples/kennedys#Person>
<http://topbraid.org/examples/kennedys#Person> .
}
} ORDER BY ?subject
HTH
Holger
On 18/02/2017 6:05, Russell Morrisey wrote:
Holger,
Thanks for your reply.
The current (prototype) version of the app calls out to the
SPARQL REST endpoint in TopBraid Live:
http://localhost:8083/tbl/sparql <http://localhost:8083/tbl/sparql>
If there is a better way I should do this, please point me to the
right approach.
I don't know how to tell the sparql endpoint that it should
execute SPIN rules. The SPIN rule declaration is stored in the
ontology as part of the Class definition. Here is the Class
definition, including the rule declaration:
|
spinTest:SpinTest
rdf:type owl:Class ;
spin:rule [
rdf:type sp:Construct ;
sp:templates (
[
sp:object "spin:rule OK" ;
sp:predicate spinTest:testResult ;
sp:subject [
sp:varName "test" ;
] ;
]
) ;
sp:where (
[
sp:object spinTest:SpinTest ;
sp:predicate rdf:type ;
sp:subject [
sp:varName "test" ;
] ;
]
) ;
] ;
rdfs:label "Spin test" ;
rdfs:subClassOf owl:Thing ;
.
|
I have tested out this rule using "Run Inferences" in Composer,
but I don't understand how to apply it on the server.
Thanks
On Thursday, February 16, 2017 at 11:40:58 PM UTC-5, Holger
Knublauch wrote:
Hi Russell,
in your question you indicate that you have a Java app, so I
assume this code runs outside of the TBL server. Assuming you
want to perform the inferences in your code using the SPIN
API, I guess there is no difference between TBL or any 3rd
party triple store - you can for example use the SPARQL end
point to retrieve the original triples. Everything else is
under full control of your application.
Is this the scenario you are describing?
Thanks,
Holger
On 17/02/2017 8:59, Russell Morrisey wrote:
I have an ontology with a *spin:rule* that I've built and
tested in TopBraid Composer.
I'd like to build an app that has the following flow:
1. Load some graph data from a triple store
2. Assert some triples from the client into a temporary
graph (preferably a session-scoped graph)
3. Run my spin:rules and store the new triples in the
temporary graph
4. Query the temporary graph and send the results back to
the caller.
My app is a Java app which does not use SWP.
How can I apply spin:rules this way when my ontology is
deployed in TopBraid Live?
How can I apply spin:rules this way when my ontology is in a
3rd-party triple store?
Which 3rd-party triple stores support this?
I am working on figuring out the answers to these questions.
Any help would be appreciated.
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# baseURI: http://example.org/swpRules
# imports: http://topbraid.org/swa
# prefix: swpRules
@prefix afn: <http://jena.hpl.hp.com/ARQ/function#> .
@prefix arg: <http://spinrdf.org/arg#> .
@prefix composite: <http://www.topbraid.org/2007/05/composite.owl#> .
@prefix css: <http://uispin.org/css#> .
@prefix daml: <http://www.daml.org/2001/03/daml+oil#> .
@prefix dash: <http://datashapes.org/dash#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix default: <http://uispin.org/default#> .
@prefix email: <http://topbraid.org/email#> .
@prefix fn: <http://www.w3.org/2005/xpath-functions#> .
@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
@prefix html: <http://uispin.org/html#> .
@prefix let: <http://uispin.org/let#> .
@prefix letrs: <http://uispin.org/letrs#> .
@prefix list: <http://jena.hpl.hp.com/ARQ/list#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix qnaAPI: <http://example.org/file1#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix search: <http://topbraid.org/search#> .
@prefix search.spin: <http://topbraid.org/search.spin#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sm: <http://topbraid.org/sparqlmotion#> .
@prefix smf: <http://topbraid.org/sparqlmotionfunctions#> .
@prefix sml: <http://topbraid.org/sparqlmotionlib#> .
@prefix sp: <http://spinrdf.org/sp#> .
@prefix sparqlmotionlib-swp: <http://topbraid.org/sparqlmotionlib-swp#> .
@prefix spif: <http://spinrdf.org/spif#> .
@prefix spin: <http://spinrdf.org/spin#> .
@prefix spl: <http://spinrdf.org/spl#> .
@prefix spl-dynamic-ranges: <http://spinrdf.org/spl-dynamic-ranges#> .
@prefix spr: <http://spinrdf.org/spr#> .
@prefix spra: <http://spinrdf.org/spra#> .
@prefix style: <http://uispin.org/style#> .
@prefix svg: <http://uispin.org/svg#> .
@prefix swa: <http://topbraid.org/swa#> .
@prefix swauml: <http://topbraid.org/swauml#> .
@prefix swon: <http://uispin.org/swon#> .
@prefix swpRules: <http://example.org/swpRules#> .
@prefix sxml: <http://topbraid.org/sxml#> .
@prefix tosh: <http://topbraid.org/tosh#> .
@prefix ui: <http://uispin.org/ui#> .
@prefix vs: <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix xlink: <http://www.w3.org/1999/xlink#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
<http://example.org/swpRules>
rdf:type owl:Ontology ;
owl:imports <http://topbraid.org/swa> ;
owl:versionInfo "Created with TopBraid Composer" ;
.
swpRules:TestService
rdf:type ui:Service ;
ui:prototype """
<ui:setContext ui:queryGraph=\"{=
ui:graphWithImports(<http://topbraid.org/examples/kennedysSPIN>) }\">
<sml:ApplyTopSPIN sml:replace=\"{= true }\">
<ui:setPrefix ui:namespace=\"http://www.w3.org/2000/01/rdf-schema#\";
ui:prefix=\"rdfs\"/>
<ui:setPrefix
ui:namespace=\"http://knowledge.cscglobal.com/question-answer/1.0/api/schema/\";
ui:prefix=\"qnaApi\"/>
<ui:setPrefix
ui:namespace=\"http://knowledge.cscglobal.com/question-answer/1.0/api/data/\";
ui:prefix=\"qnaData\"/>
<ui:update ui:updateQuery=\"{!
INSERT {
GRAPH ui:tempGraph {
?qnaRequest a qnaAPI:QuestionKnowledgeRequest .
?qnaRequest qnaAPI:orderTypeCode "TCC" .
?qnaRequest qnaAPI:stateName "Delaware" .
} .
}
WHERE {
BIND (spif:buildUniqueURI("qnaData:{?1}",
spif:generateUUID()) AS ?qnaRequest) .
} }\"/>
<swon:Object>
<swon:Value arg:name=\"order\">
<swon:Object>
<swon:Value arg:name=\"foo\" arg:value=\"bar\"/>
<swon:Value arg:name=\"services\">
<swon:Array>
<ui:forEach ui:resultSet=\"{#
SELECT ?s ?p ?o
WHERE {
?s ?p ?o .
}
LIMIT 10 }\" ui:separator=\",\">
<ui:br/>
<swon:Object>
<swon:Value arg:name=\"s\" arg:value=\"{=
?s }\"/>
<swon:Value arg:name=\"p\" arg:value=\"{=
?p }\"/>
<swon:Value arg:name=\"o\" arg:value=\"{=
?o }\"/>
</swon:Object>
</ui:forEach>
</swon:Array>
</swon:Value>
</swon:Object>
</swon:Value>
</swon:Object>
</sml:ApplyTopSPIN>
</ui:setContext>
"""^^ui:Literal ;
rdfs:label "Test service" ;
rdfs:subClassOf ui:JSONServices ;
.
