Hi
Thank you very much for your quick response.
I run the query with replacing my:id in 3 places with pid of my collection
object. But I got the following exception
500 Internal Server Error
Encountered "" at line 2, column 8. Was expecting: "{" ...
--------------------------------------------------------------------------------
org.trippi.TrippiException: Encountered "" at line 2, column 8.
Was expecting:
"{" ...
at org.trippi.impl.mulgara.MulgaraSession.query(MulgaraSession.java:158)
at
org.trippi.impl.base.ConcurrentTriplestoreReader.findTuples(ConcurrentTriplestoreReader.java:79)
at
fedora.server.resourceIndex.ResourceIndexImpl.findTuples(ResourceIndexImpl.java:280)
at
fedora.server.resourceIndex.ResourceIndexModule.findTuples(ResourceIndexModule.java:297)
at org.trippi.server.TrippiServer.find(TrippiServer.java:119)
at org.trippi.server.http.TrippiServlet.doFind(TrippiServlet.java:512)
at org.trippi.server.http.TrippiServlet.doGet(TrippiServlet.java:377)
Regards
Nilani
Nilani Ganeshwaran
Institutional Repository Technical Support and Software Developer
Tel: +44 (0)161 275 8728 (internal x58728)
Email: [email protected]
Web: http://www.manchester.ac.uk/institutionalrepositoryproject
-----Original Message-----
From: arne anka [mailto:[email protected]]
Sent: 26 January 2009 11:19
To: NilaniGaneshwaran; [email protected]
Subject: Re: [Fedora-commons-developers] sparql
my objects define a rels:ext ds and i search for members of a collection
like this:
select $collTitle $collDesc $member $memberTitle $memberSubject $memberID
from <#ri>
where <info:fedora/my:id> <dc:title> $collTitle
and <info:fedora/my:id> <dc:description> $collDesc
and $member <fedora-rels-ext:isMemberOf>
<info:fedora/my:id>
and $member <dc:title>
$memberTitle
and $member <dc:subject>
$memberSubject
and $member <dc:identifier>
$memberID
i don't know how helpful this might be:
> http://www.w3.org/TR/rdf-sparql-query/
what i found immensely helpful (not only in respect of sparql), was the
repomman tutorial of richard green -- which, as usually, i fail to find at
the fedora site, though it is there to be downloaded (mabye i am too
stupid to see it, but is there a search facility somewhere?).
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