Hi,
I'm kinda new to Dbpedia and semantic web as such.
I'm trying to get the predicate of my query, so I'm trying to do a string
match from the natural language query that I have.
Eg:
Q: "What is the batting average of Sachin Tendulkar"
I use this query to find the predicates :
SELECT ?predicate ?label WHERE {{
?predicate <http://www.w3.org/2000/01/rdf-schema#label> ?label .
?predicate <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
?propertyType.
?label bif:contains '"batting average"'}
filter ( ?propertyType = <
http://www.w3.org/2002/07/owl#DatatypeProperty> ||
?propertyType = <
http://www.w3.org/2002/07/owl#ObjectProperty> ||
?propertyType = <
http://www.w3.org/1999/02/22-rdf-syntax-ns#Property> )
} limit 30
I got this, when I ran the query:
Predicate:
http://dbpedia.org/property/battingAverage
label: "batting average"@en
The result is agreeably, but when I see the page of
http://dbpedia.org/page/Sachin_Tendulkar
I see that he has a property called http://dbpedia.org/property/batAvg and
not http://dbpedia.org/property/battingAverage
And the same goes with the http://dbpedia.org/property/odishirt and
http://dbpedia.org/property/odishirtNo.
I'm pretty sure I'm doing a mistake somewhere, but not sure where :|
So my question is :
- Is this the only way to match a string with a property? ( the query
way )
- Why do we have 2 properties for the same purpose ?
Thanks!
P.S: Please do let me know if this question is not appropriate for THIS
mailing list. I'm not sure if I can ask questions about finding the
predicate and all.
--
Regards
Prashanth Swaminathan
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