Hi Benjamin SKOS Concepts are expected to have the rdf:type skos:Concept. This message is telling you that the RDF graph you sent to the Topic engine has not contained any instance of that type (see also [2]). If you search the web you will find a lot of good tutorials for SKOS.
best Rupert [2] http://www.w3.org/TR/skos-primer/#secconcept On Fri, Nov 22, 2013 at 1:45 PM, Benjamin Grössing <e1025...@student.tuwien.ac.at> wrote: > Hello Rupert, > > well, I did try to set the Content-Type header to "application/xml" > but I did not think of "application/rdf+xml" :-) The server now > accepts the request, thank you! > > However, the output I get is "Could not find any instances of > 'http://www.w3.org/2004/02/skos/core#Concept' in payload.". I have > tried several files from [1], but in fact I don't exactly know what > input is expected here. The docs (i.e. [2]) are also not very clear > about that, unfortunately. Did we miss something here? > > I would appreciate if you could clarify what file should be used here > or provide us a starting point for research. > > Regards > Benjamin > > [1] http://www.w3.org/2004/02/skos/vocabs > [2] > http://blog.iks-project.eu/wp-content/uploads/TopicEngineClassification1.pdf > > 2013/11/22 Rupert Westenthaler <rupert.westentha...@gmail.com>: >> Hi Benjamin >> >> The error in [3] says that it can not parse an RDF graph from >> "application/x-www-form-urlencoded". So I guess that setting the >> ContentType header of your POST request to "application/rdf+xml" >> should fix the problem. >> >> best >> Rupert >> >> On Fri, Nov 22, 2013 at 11:37 AM, Benjamin Grössing >> <e1025...@student.tuwien.ac.at> wrote: >>> Hello Rupert, >>> >>> thanks a lot for your quick response and the bug fix in STANBOL-1142! >>> I have switched to branch release-0.12 and building, installing and >>> running the topic engine now works like charm. >>> >>> Unfortunately when I follow the tutorial [1] and do the next step, >>> which is executing "curl -X POST --data @skos.rdf.xml >>> http://localhost:8080/topic/model/dbpedia-category-model"; with >>> skos.rdf.xml from [2], the response is "HTTP ERROR: 415". The server >>> log shows this: [3]. POSTing single concepts works; the error only >>> occurs for the RDF/XML file. >>> >>> Do you have any idea what I might be doing wrong? >>> >>> Regards >>> Benjamin Groessing >>> >>> [1] http://www.iks-project.eu/sites/default/files/Topic-Classification.pdf >>> [2] http://www.w3.org/TR/skos-reference/skos.rdf >>> [3] https://gist.github.com/groe/94494930d6dcae2f9719 >>> >>> 2013/11/19 Rupert Westenthaler <rupert.westentha...@gmail.com>: >>>> Hi Benjamin >>>> >>>> While adding the TopicEngine modules to the Enhancer bundlelist [3] I >>>> noticed that there is indeed a failure in the pom.xml file of the >>>> topic engine module that also affects the 0.12 releasing branch. This >>>> is the error referenced by your original message with >>>> >>>> On Mon, Nov 18, 2013 at 6:54 PM, Benjamin Grössing >>>> <e1025...@student.tuwien.ac.at> wrote: >>>>> We tried some things to get that to work as well (like >>>>> removing this from the pom.xml of the engine bundle: >>>>> https://gist.github.com/groe/1bb119dc7e04ae29b40e >>>> >>>> As this was introduced by STANBOL-1142 [2] I will reopen this issue to >>>> correct this in both the 0.12 releasing branch as well as the trunk. >>>> >>>> Thanks for reporting this. Its always good to fix issues like that >>>> before an upcoming release! >>>> >>>> best >>>> Rupert >>>> >>>>> [1] http://svn.apache.org/repos/asf/stanbol/branches/release-0.12/ >>>>> [2] https://issues.apache.org/jira/browse/STANBOL-1142 >>>> [3] https://issues.apache.org/jira/browse/STANBOL-1213 >>>> -- >>>> | Rupert Westenthaler rupert.westentha...@gmail.com >>>> | Bodenlehenstraße 11 ++43-699-11108907 >>>> | A-5500 Bischofshofen >>>> >> >> >> >> -- >> | Rupert Westenthaler rupert.westentha...@gmail.com >> | Bodenlehenstraße 11 ++43-699-11108907 >> | A-5500 Bischofshofen >> -- | Rupert Westenthaler rupert.westentha...@gmail.com | Bodenlehenstraße 11 ++43-699-11108907 | A-5500 Bischofshofen
