That was the problem! Great! It works now. Still, my old (boring) question... how to access service from Java application and post string which I would like to annotate? I know how to implement service client, but could you describe me the process in this case?
Best, Srecko Joksimovic On Mon, Aug 15, 2011 at 1:22 PM, Rupert Westenthaler < [email protected]> wrote: > On Mon, Aug 15, 2011 at 1:12 PM, srecko joksimovic > <[email protected]> wrote: > > Hi, > > I have to ask again... > > I posted this command: curl -X POST -d "name=Optimization" > > http://localhost:8080/entityhub/find > > and the result is as follows: > > { > > "query": { > > "selected": [ > > > > "http:\/\/www.iks-project.eu\/ontology\/rick\/model\/description", > > "http:\/\/www.iks-project.eu\/ontology\/rick\/query\/score", > > "http:\/\/www.iks-project.eu\/ontology\/rick\/model\/label" > > ], > > "constraints": [{ > > "type": "text", > > "patternType": "wildcard", > > "text": "Optimization", > > "field": > > "http:\/\/www.iks-project.eu\/ontology\/rick\/model\/label" > > Looks like that the default search field for the Entityhub is still > "http:\/\/www.iks-project.eu\/ontology\/rick\/model\/label" and not > rdfs:label. > > I was in the impression that I have changed that some time ago to > "rdfs:label" as it is the case for ReferencedSites. > > In that case you need to explicitly parse rdfs:label as field as in the > following example > > curl -X POST -d > "name=Optimization&field=http://www.w3.org/2000/01/rdf-schema#label"; > http://localhost:8080/entityhub/find > > best > Rupert > > > }], > > "limit": 5, > > "offset": 0 > > }, > > "results": [] > > } > > I did something wrong, but I am not sure what. Could you please help me > on > > this one? > > On Mon, Aug 15, 2011 at 12:28 PM, Rupert Westenthaler > > <[email protected]> wrote: > >> > >> Hi > >> > >> On Mon, Aug 15, 2011 at 12:12 PM, srecko joksimovic > >> <[email protected]> wrote: > >> > Thank you! > >> > Now I got message which says: > >> > Unable to create an Entity that does already exist > >> > >> This simple tells you that an Entity you tried to create already > existed. > >> So I assume that a previous import of your Ontology was successful. > >> > >> > as I understand, this means that I did it right first time. How I can > >> > read > >> > ID of this Entity? I did not use -v switch first time when I tried > >> > upload, > >> > and now I do not know ID. Or maybe I do, but I am not aware of that... > >> > >> You should know the URIs of the concepts in your Ontology. > >> > >> curl http://localhost:8080/entityhub/entity?id={concept-uri} > >> > >> If you know some labels you can also use the query service > >> > >> curl -X POST -d "name={label}" http://localhost:8080/entityhub/find > >> > >> name takes wildcard searches such as "Her?a*" and reaches for values > >> of the "rdfs:label" property. > >> > >> if you want to search labels for properties other than "rdfs:label" > >> you can use the field parameter. > >> Here an example for searching all Persons with a "foaf:name" "Ivan*" > >> > >> curl -X POST -d "name=Ivan*&field=http://xmlns.com/foaf/0.1/name"; > >> http://localhost:8080/entityhub/find > >> > >> > >> As an alternative you could also use the query interface as described on > >> > >> http://localhost:8080/entityhub/query > >> > >> best > >> Rupert > >> > >> > And only one more simple question... Could you please provide me a > code > >> > example? I will try to search archive, or other resources that you > gave > >> > me. > >> > Anyway, I would be grateful if you could help me. > >> > Once again, thank you very much! > >> > Best, > >> > Srecko Joksimovic > >> > On Mon, Aug 15, 2011 at 11:57 AM, Rupert Westenthaler > >> > <[email protected]> wrote: > >> >> > >> >> Hi > >> >> > >> >> On Mon, Aug 15, 2011 at 11:06 AM, srecko joksimovic > >> >> <[email protected]> wrote: > >> >> > Hello Mr Westenthaler, > >> >> > I have configured Apache Stanbol. I can access services using > >> >> > http://localhost:8080. I tried to do steps that you described, and > I > >> >> > did > >> >> > not > >> >> > have a problem with step 2, but I am not sure that I did step > >> >> > 1 correctly. > >> >> > When I issued command like this one: > >> >> > curl -X POST -H "Content-Type: application/rdf+xml" --data > >> >> > "@acm_ccs-proton_rdfxml.owl" > http://localhost:8080/entityhub/entity > >> >> > I got response: > >> >> > curl: (52) Empty reply from server > >> >> > This file which I am trying to upload is almost 1MB big. It should > >> >> > not > >> >> > be a > >> >> > problem with memory. > >> >> > Do you have any idea what could be a problem? How I can check that > I > >> >> > did > >> >> > the > >> >> > job correctly? > >> >> > >> >> > >> >> when you add the '-v' switch to 'curl' than you should see the > >> >> returned HTTP status code of the response. > >> >> > >> >> In case of a success the server returns a "201 Created" and the ID of > >> >> the first created entity in the > >> >> Location header field > >> >> > >> >> here an example of an response after importing the FOAF file of Ivan > >> >> Herman > >> >> > >> >> < HTTP/1.1 201 Created > >> >> < Location: > >> >> > >> >> > http://localhost:8080/entityhub/entity?id=http://www.ivan-herman.net/foafExtras.rdf%23Liddy > >> >> > >> >> with a simple curl request to the url returned for the Location > header > >> >> you can easily test the imported data for this entity. To test other > >> >> resources simple exchange the URI. > >> >> > >> >> best > >> >> Rupert Westenthaler > >> >> > >> >> > Best, > >> >> > Srecko Joksimovic > >> >> > On Tue, Aug 9, 2011 at 4:45 PM, Rupert Westenthaler > >> >> > <[email protected]> wrote: > >> >> >> > >> >> >> Hallo Mr Srecko Joksimovic > >> >> >> > >> >> >> Two initial Notes: > >> >> >> > >> >> >> * I am sending this also to the stanbol-dev list, because I am on > >> >> >> vacation until end of August and will only read/answer mails from > >> >> >> time > >> >> >> to time until than. So maybe others of the Stanbol community will > be > >> >> >> able to answer questions more quickly then myself. > >> >> >> * I am sending this reply via my gmail account, because somehow I > am > >> >> >> not able to connect to the SMTP server of salzburgresearch.at. > >> >> >> > >> >> >> - - - > >> >> >> > >> >> >> Actually this is possible by using the TaxonomyLinkingEngine that > is > >> >> >> currently in development. > >> >> >> > >> >> >> Basically there are two steps: > >> >> >> > >> >> >> (1) upload your Ontology to the Entityhub > >> >> >> (2) configure an instance of the TaxonomyLinkingEngine to use your > >> >> >> ontology (as stored by the Entityhub) to enhance your documents > >> >> >> > >> >> >> > >> >> >> for (1) there are two possibilities > >> >> >> > >> >> >> (1a) upload your ontology directly to the "/entityhub" > >> >> >> > >> >> >> If you have a Stanbol instance running at "http://localhost:8080/ > " > >> >> >> the > >> >> >> followng curl command can be used to upload an RDF graph (such as > >> >> >> your > >> >> >> ontology) > >> >> >> > >> >> >> curl -X POST -H "Content-Type: application/rdf+xml" --data > >> >> >> "@{rdfXmlFile}" http://localhost:8080/entityhub/entity > >> >> >> > >> >> >> This assumes that your Ontology is encoded as > "application/rdf+xml". > >> >> >> {rdfXmlFile} denotes to the path to the file on the local file > >> >> >> system. > >> >> >> Please also have a look at [1] for a more detailed description on > >> >> >> how > >> >> >> to upload RDF data to the "/entityhub" endpoint. > >> >> >> > >> >> >> (1b) manage the RDF data as an own ReferencedSite > >> >> >> > >> >> >> The Entityhub also supports the configuration of so called > >> >> >> ReferencedSites. This allows to manage different RDF datasets > (e.g. > >> >> >> dbpedia.org, geonames.org, IPTC thesaurus [2], your ontology, > ...). > >> >> >> Such sites are read-only and accessible under > >> >> >> http://localhost:8080/entityhub/site/{siteId} > >> >> >> > >> >> >> Stanbol also includes an indexing tool that helps you in creating > >> >> >> such > >> >> >> "referencedSites" for local datasets (such as your Ontology). A > >> >> >> detailed description of this process can be found at [3]. [2] is a > >> >> >> specific configuration of [3] for the IPTC thesaurus. > >> >> >> > >> >> >> In general for testing I would suggest to use (1a) because it is > >> >> >> much > >> >> >> easer to start with. However (1a) will require to load your > ontology > >> >> >> in memory therefore it will not work for big datasets. In addition > >> >> >> (1b) allows you to optimize your ontology (by defining mappings) > >> >> >> during the indexing process and it gives you the possibility to > use > >> >> >> different Ontologies for enhancing your content. Therefore for > more > >> >> >> complex usage scenarios option (1b) is typically the better > >> >> >> solution. > >> >> >> > >> >> >> (2) Configure the TaxonomylinkingEngine > >> >> >> > >> >> >> This Engine is by default included in the Full launcher of > Stanbol. > >> >> >> If > >> >> >> you prefer the stable launcher you will need to manually install > it > >> >> >> (e.g. by using the Apache Felix Wenconsole accessible under > >> >> >> http://localhost:8080/system/console default user: admin pwd: > >> >> >> admin). > >> >> >> The bundle to install can be found at > >> >> >> > >> >> >> > >> >> >> > >> >> >> > "{stanbol-trunk}/enhancer/engines/taxonomylinking/target/org.apache.stanbol.enhancer.engine.taxonomy-0.9.0-incubating-SNAPSHOT.jar" > >> >> >> > >> >> >> Assuming a running Stanbol Instance that includes the > >> >> >> TaxonomyLinkingEngine the following steps are required for the > >> >> >> configuration: > >> >> >> 1. go the "configuration tab" > >> >> >> (http://localhost:8080/system/console/configMgr) > >> >> >> 2. search for "Apache Stanbol Enhancement Engine for Taxonomy > >> >> >> linking" > >> >> >> 3. pres on the [+] button on the end of this line (this will open > >> >> >> the > >> >> >> dialog to configure a new instance of this engine) > >> >> >> 4. configure the source. If you used (1a) put "entityhub" in case > of > >> >> >> (1b) you must enter the siteId of the referenced site. > >> >> >> 5. configure the property used to search for labels of the > concepts > >> >> >> in > >> >> >> your Ontology. The default is rdfs:label (typically used for > >> >> >> labeling > >> >> >> concepts within ontologies, but you might also want to use a > >> >> >> different > >> >> >> one based on your ontology > >> >> >> > >> >> >> I would not recommend to change any other properties because this > >> >> >> engine is currently under development and changes to this values > >> >> >> might > >> >> >> not be implemented or even worse break this engine. > >> >> >> > >> >> >> > >> >> >> > >> >> >> best > >> >> >> Rupert Westenthaler > >> >> >> > >> >> >> [1] http://markmail.org/message/plertstj6fx4xutj > >> >> >> [2] http://markmail.org/message/rgwug74s3u6olrby > >> >> >> [3] > >> >> >> > >> >> >> > >> >> >> > http://svn.apache.org/repos/asf/incubator/stanbol/trunk/entityhub/indexing/genericrdf/README.md > >> >> >> > >> >> >> Am 08.08.2011, 22:53 Uhr, schrieb srecko joksimovic > >> >> >> <[email protected]>: > >> >> >> > > >> >> >> > Hello Mr Westenthaler, > >> >> >> > > >> >> >> > Mr Pereira gave me your contact, in order to ask you a few > >> >> >> > questions > >> >> >> > about > >> >> >> > Apache Stanbol. I suppose that you have received Mr Pereira's > >> >> >> > email > >> >> >> > which he > >> >> >> > sent to me, and you maybe already know what the problem is. > >> >> >> > > >> >> >> > Mr Pereira suggested me to use Apache Stanbol. The idea is to > load > >> >> >> > my > >> >> >> > ontology, and than to call method which is going to annotate > >> >> >> > provided > >> >> >> > text, > >> >> >> > based on loaded ontology. Could you please explain to me how to > >> >> >> > implement > >> >> >> > scenario which I described using Apache Stanbol? If you could > >> >> >> > provide > >> >> >> > me > >> >> >> > a > >> >> >> > code example, I would be very grateful. > >> >> >> > > >> >> >> > Thank you very much. > >> >> >> > > >> >> >> > Best, > >> >> >> > Srecko Joksimovic > >> >> >> > >> >> >> -- > >> >> >> | Rupert Westenthaler [email protected] > >> >> >> | Bodenlehenstraße 11 > ++43-699-11108907 > >> >> >> | A-5500 Bischofshofen > >> >> > > >> >> > > >> >> > >> >> > >> >> > >> >> -- > >> >> | Rupert Westenthaler [email protected] > >> >> | Bodenlehenstraße 11 ++43-699-11108907 > >> >> | A-5500 Bischofshofen > >> > > >> > > >> > >> > >> > >> -- > >> | Rupert Westenthaler [email protected] > >> | Bodenlehenstraße 11 ++43-699-11108907 > >> | A-5500 Bischofshofen > > > > > > > > -- > | Rupert Westenthaler [email protected] > | Bodenlehenstraße 11 ++43-699-11108907 > | A-5500 Bischofshofen >
