Hi Manish, On Thu, Jun 13, 2013 at 1:39 PM, Manish Aggarwal <mani.i...@gmail.com> wrote: > Hi Rupert, > > Does dbpedia also have some equivalent like > http://localhost:8080/entityhub/site/freebase/entity?id=http://rdf.freebase.com/ns/m.03qccxj&header_Accept= > > I am trying > http://localhost:8080/entityhub/site/dbpedia/query?id=http://dbpedia.org/resource/Category:Honda_Civic&header_Accept=which > does not seems to be working. >
You URL is wrong. Try http://localhost:8080/entityhub/site/dbpedia/entity?id=http://dbpedia.org/resource/Category:Honda_Civic&header_Accept= > > Also, I created dbpedia index with mapping.txt which contains the entry > like: > > dbp-ont:industry | d=entityhub:ref > dbp-prop:shortDescription | d=entityhub:text > rdf:type | d=entityhub:ref > > But I am unable to fetch these properties from the resulting index file. > The fieldQuery that I am using is: > > { > "selected": [ > "rdf:type", > "rdfs:label", > "dbp-ont:industry", > "dbp-prop:shortDescription", > ], > "offset": "0", > "limit": "5", > "constraints": [{ > "type": "text", > "language": "en", > "text": "Honda Civic", > "field": "http:\/\/www.w3.org\/2000\/01\/rdf-schema#label" > }] > } > > Index is created from the following dumps: > article_categories_en.nt.bz2 dbpedia_3.8.owl.bz2 > infobox_properties_en.nt.bz2 instance_types_en.nt.bz2 > pnd_en.nt.bz2 > category_labels_en.nt.bz2 homepages_en.nt.bz2 > infobox_property_definitions_en.nt.bz2 mappingbased_properties_en.nt.bz2 > > I think the properties are present in the index. It is just that http://dbpedia.org/resource/Honda_Civic does not define them as they are also not present on the DBpedia webpage. Maybe try http://dbpedia.org/resource/Audi best Rupert > > > > > On Thu, Jun 13, 2013 at 12:06 PM, Manish Aggarwal <mani.i...@gmail.com>wrote: > >> Thanks Rupert for your answer. It's very informative. >> >> >> On Wed, Jun 12, 2013 at 8:21 PM, Rupert Westenthaler < >> rupert.westentha...@gmail.com> wrote: >> >>> Hi Manish, >>> >>> Currently ReferencedSite do not know what properties are present. >>> Generally it is not easy to know what properties are present, as this >>> depends on may things in the configuration of the Entityhub Indexing >>> Tool. In the case of Freebase one needs to consider two >>> configurations: >>> >>> * mappings.txt used to index the site, as it defines the properties >>> that will be indexed. >>> * propertyfilter.config as it defines import filter that will exclude >>> some RDF triples from being imported form the RDF dump to the Jena TDB >>> (used as source for the indexing) >>> >>> Only properties that are enabled by both filters will be present in the >>> index! >>> >>> An other (pragmatic) possibility to determine available properties is >>> to search for a very famous Entity of the type you are interested >>> (e.g. Barack Obama for Persons) and request this Entity from the >>> ReferencedSite >>> >>> >>> http://localhost:8080/entityhub/site/freebase/entity?id=http://rdf.freebase.com/ns/m.03qccxj&header_Accept= >>> >>> As famous Entities usually do have values for all properties this as >>> also a pragmatic possibility to check what properties are present. >>> >>> If you used the default configuration to create the freebase index the >>> following properties of your example should be present >>> >>> > "rdf:type", >>> > "fb:people.person.date_of_birth", >>> > "fb:people.person.nationality", >>> > "fb:people.person.date_of_birth", >>> >>> The following properties are not included >>> >>> > "fb:people.person.gender" >>> >>> imported in Jena TDB, but excluded in mappings.txt. >>> >>> and >>> >>> > "fb:common.topic", >>> >>> is not a property but a category (see >>> http://www.freebase.com/common/topic?schema=) for properties defined >>> under this category >>> >>> If you want to have other/more properties to be included you will need >>> to change the above mentioned configurations accordingly and create an >>> new index. The default configuration of the Freebase Indexing tool is >>> optimized for the use with the Stanbol Enhancer for EntityLinking. >>> >>> best >>> Rupert >>> >>> On Wed, Jun 12, 2013 at 3:11 PM, Manish Aggarwal <mani.i...@gmail.com> >>> wrote: >>> > Hi, >>> > I am using fiedQuery: >>> > >>> > { >>> > "selected": [ >>> > "rdf:type", >>> > "fb:people.person.date_of_birth", >>> > "fb:people.person.children", >>> > "fb:common.topic", >>> > "fb:people.person.nationality", >>> > "fb:people.person.gender" >>> > ], >>> > "offset": "0", >>> > "limit": "5", >>> > "constraints": [{ >>> > "type": "text", >>> > "language": "en", >>> > "text": "Roger", >>> > "field": "http:\/\/www.w3.org\/2000\/01\/rdf-schema#label" >>> > }] >>> > } >>> > >>> > >>> > >>> > Reagrds, >>> > Manish >>> >>> >>> >>> -- >>> | 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
