Hi Rupert, Thanks a lot for your response. Have attached the simple ontology which I have used for this project at end of the mail.
The base for this Ontology is http://www.owl-ontologies.com/InsuranceOntology.owl Based on your inputs made the changes. When I type a sentence like " Rama was born on 23/07/2000 and lived in Delhi" , I expect to see following : Rama will be recognized as a Person 23/07/2000 will be recognized as Person:dob. ( Date of Birth of Rama ) Delhi will be recognized as Person:city ( City of Rama) However the only entity which I get is the language en. Have attached the JSONopt.txt holding the JSON output at end of mail. Is my expectation of expected output correct? Based on your suggestions below have created the following properties : Attached screen shot of all key configuration parameters. In Entity hub linking have done following : Added below under Type mappings http://www.owl-ontologies.com/InsuranceOntology.owl/person > dbp-ont:Person Under fields used for de-referencing added http://www.owl-ontologies.com/InsuranceOntology.owl/person/name http://www.owl-ontologies.com/InsuranceOntology.owl/person/dob http://www.owl-ontologies.com/InsuranceOntology.owl/person/city ( Have also tried with the variation - http://www.owl-ontologies.com/InsuranceOntology.owl/name with no change in results ) Not clear what should go under type field and have left it as rdf:type. In Managed Site have made following changes Add this http://www.owl-ontologies.com/InsuranceOntology.owl/ in Entity Prefix In Field mappings added below : http://www.owl-ontologies.com/InsuranceOntology.owl/person/name > rdfs:label Not clear of below question ? What property, does your Entity use for the Name? By default the EntityhubLinkingEngine uses "rdfs:label" for linking. If you use a different property in your ontology you will need to adapt the configuration of the "Label Field" for your EntityLinkingEngine In Ontology the properties are http://www.owl-ontologies.com/InsuranceOntology.owl/Person is the class http://www.owl-ontologies.com/InsuranceOntology.owl/city, http://www.owl-ontologies.com/InsuranceOntology.owl/ name, etc are properties of the Person class. If the above is on Ontology will adding the below in the field mappings of Managed site be sufficient or something more needs to be done. http://www.owl-ontologies.com/InsuranceOntology.owl/person/name > rdfs:label Going further the ontology will be expanded with specific concepts like company, their products and their properties. Idea is to be able to retrieve all instances of customer, products and their properties from different unstructured data. Can this approach be expanded to support this scenario? Thanks and Rgds, Arthi Ontology with instances. <?xml version="1.0"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; xmlns:protege="http://protege.stanford.edu/plugins/owl/protege#"; xmlns:xsp="http://www.owl-ontologies.com/2005/08/07/xsp.owl#"; xmlns:owl="http://www.w3.org/2002/07/owl#"; xmlns:xsd="http://www.w3.org/2001/XMLSchema#"; xmlns:swrl="http://www.w3.org/2003/11/swrl#"; xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"; xmlns="http://www.owl-ontologies.com/InsuranceOntology.owl#"; xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"; xml:base="http://www.owl-ontologies.com/InsuranceOntology.owl"; > <rdf:Description rdf:about="#policyId"> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/> <rdfs:domain rdf:resource="#Policy"/> </rdf:Description> <rdf:Description rdf:about="#Name"> <rdfs:domain rdf:resource="#Person"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/> </rdf:Description> <rdf:Description rdf:about="#isBeneficiary"> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/> <rdfs:range rdf:resource="#Policy"/> <rdfs:domain rdf:resource="#Person"/> </rdf:Description> <rdf:Description rdf:about="#Premium"> <rdfs:domain rdf:resource="#Policy"/> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> </rdf:Description> <rdf:Description rdf:about="#customerId"> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/> <rdfs:domain rdf:resource="#Person"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> </rdf:Description> <rdf:Description rdf:about="#Policy_2"> <Premium rdf:datatype="http://www.w3.org/2001/XMLSchema#float";>1250.0</Premium> <policyId rdf:datatype="http://www.w3.org/2001/XMLSchema#string";></policyId> <rdf:type rdf:resource="#Policy"/> </rdf:Description> <rdf:Description rdf:about="#dob"> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#date"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> <rdfs:domain rdf:resource="#Person"/> </rdf:Description> <rdf:Description rdf:about="#Rama"> <NinoNumber rdf:datatype="http://www.w3.org/2001/XMLSchema#int";>0</NinoNumber> <rdf:type rdf:resource="#Person"/> <owns rdf:resource="#Policy_2"/> <dob rdf:datatype="http://www.w3.org/2001/XMLSchema#date";>2000-07-11</dob> <city rdf:datatype="http://www.w3.org/2001/XMLSchema#string";></city> <Name rdf:datatype="http://www.w3.org/2001/XMLSchema#string";></Name> <customerId rdf:datatype="http://www.w3.org/2001/XMLSchema#string";></customerId> </rdf:Description> <rdf:Description rdf:about="#city"> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/> <rdfs:domain rdf:resource="#Person"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> </rdf:Description> <rdf:Description rdf:about="#Person"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> </rdf:Description> <rdf:Description rdf:about="#owns"> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/> <rdfs:range rdf:resource="#Policy"/> <rdfs:domain rdf:resource="#Person"/> </rdf:Description> <rdf:Description rdf:about="#Policy"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> </rdf:Description> <rdf:Description rdf:about="#NinoNumber"> <rdfs:domain rdf:resource="#Person"/> <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#int"/> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#DatatypeProperty"/> </rdf:Description> <rdf:Description rdf:about="#Policy_7"> <rdfs:label rdf:resource="#Policy_2"/> <rdf:type rdf:resource="#Policy"/> <Premium rdf:datatype="http://www.w3.org/2001/XMLSchema#float";>2500.0</Premium> <policyId rdf:datatype="http://www.w3.org/2001/XMLSchema#string";></policyId> </rdf:Description> <rdf:Description rdf:about=""> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Ontology"/> </rdf:Description> </rdf:RDF> <!-- Created with Protege (with OWL Plugin 3.4.8, Build 629) http://protege.stanford.edu --> Json output. { "@context": { "confidence": { "@id": "http://fise.iks-project.eu/ontology/confidence";, "@type": "http://www.w3.org/2001/XMLSchema#double"; }, "created": { "@id": "http://purl.org/dc/terms/created";, "@type": "http://www.w3.org/2001/XMLSchema#dateTime"; }, "creator": { "@id": "http://purl.org/dc/terms/creator";, "@type": "http://www.w3.org/2001/XMLSchema#string"; }, "Enhancement": "http://fise.iks-project.eu/ontology/Enhancement";, "extracted-from": { "@id": "http://fise.iks-project.eu/ontology/extracted-from";, "@type": "@id" }, "language": "http://purl.org/dc/terms/language";, "LinguisticSystem": "http://purl.org/dc/terms/LinguisticSystem";, "TextAnnotation": "http://fise.iks-project.eu/ontology/TextAnnotation";, "type": { "@id": "http://purl.org/dc/terms/type";, "@type": "@id" }, "xsd": "http://www.w3.org/2001/XMLSchema#"; }, "@id": "urn:enhancement-31a0f9a3-06fa-0763-51a8-ec03c3697b46", "@type": [ "Enhancement", "TextAnnotation" ], "confidence": 0.99999565, "created": "2013-07-11T07:19:57.628Z", "creator": "org.apache.stanbol.enhancer.engines.langdetect.LanguageDetectionEnhancementEngine", "extracted-from": "urn:content-item-sha1-2614326980d0a395a026c1947f69f7d511f69c31", "language": "en", "type": "LinguisticSystem" } Thanks and Rgds Arthi Please do not print this email unless it is absolutely necessary. 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