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UNIVERSIDAD T?CNICA PARTICULAR DE LOJALa Universidad Catlica de LojaTripletasRDFSistemas Basados en el ConocimientoAdriana B. Macas E.Email: abme_1013@hotmail.comTelf:  084855576
RDF (ResourceDescription Framework)RDF est basado en la idea de identificar los recursos en la Web usando los Uniform Resource Identifiers o URIs, y describiendo los recursos en trminos de propiedades simples y valores. Una descripcin RDF es un conjunto de proposiciones simples (tambin llamadas sentencias o declaraciones) y una proposicin se conoce tambin como una tripleta, porque est compuesta de 3 cosas: un sujeto, un predicado y un objeto. Estas sentencias se pueden representar formalmente usando la tripleta (sujeto, predicado, objeto), pero existe otra forma de notacin que es mostrar una sentencia mediante grafos dirigidos. As, en RDF es posible representar declaraciones simples sobre los recursos como?un grafo (graph) de nodos y arcos que representan los recursos,? y sus propiedades y valores.
Elementos de una tripletaLos 3 elementos de una tripleta se representan mediante URIs.Donde:Subject y Object son llamados nodos
Predicate y Property son sinnimos
Nodos sin nombre son nodos en blanco
Subject puede ser una referencia URI o nodos en blanco
Predicate puede ser una referencia URI
Object puede ser una referencia URI, literal o un nodo en blanco.RDF
RDFOntologa: Sistemas Informticos
DESCRIPCI?N DE TRIPLETASPara poder realizar la validacin de las tripletas tanto RDF como OWL se tome como referencia de la siguiente direccin: http://www.w3.org/RDF/Validator
CLASES
<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:Classrdf:about="http://localhost/default#Computers">  <rdfs:subClassOfrdf:resource="#Sistemas_Informaticos" />   </owl:Class></rdf:RDF>TripletasRDFClass: ComputersCdigo RDF
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:Classrdf:about="http://localhost/default#Hardware">  <rdfs:subClassOfrdf:resource="http://localhost/default#Computers" /> <rdfs:subClassOf><owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Version" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf>Tripletas RDFClass:HardwareCdigo RDF
<rdfs:subClassOf><owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Producer" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf><rdfs:subClassOf><owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Year" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf>  </owl:Class></rdf:RDF> Tripletas RDFClass:Hardware (Cont.)
Tripletas RDFElementos RDF
Tripleta Si
Grfico del modelo de datosTripletas RDF
<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:Classrdf:about="http://localhost/default#Software">  <rdfs:subClassOfrdf:resource="http://localhost/default#Computers" /> <rdfs:subClassOf><owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Distribution" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf><rdfs:subClassOf>Tripletas RDFClass: SoftwareCdigo RDF
<owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Version" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf><rdfs:subClassOf><owl:Restriction>  <owl:onPropertyrdf:resource="http://localhost/default#Year" />   <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>   </owl:Restriction>  </rdfs:subClassOf>  </owl:Class></rdf:RDF>Tripletas RDFClass: Software (Cont.)
Tripletas RDFElementos RDF
Tripletas RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFClass: LaptopsCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#">   <owl:Classrdf:about="http://localhost/default#Laptops">        <rdfs:subClassOfrdf:resource="http://localhost/default#Computers" />             <rdfs:subClassOf>                 <owl:Restriction>                      <owl:onPropertyrdf:resource="http://localhost/default#ProductNumber" />                            <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>                  </owl:Restriction>            </rdfs:subClassOf>        <rdfs:subClassOf>
Tripletas RDFClass: LaptopsCdigo RDF             <owl: Restriction>                     <owl:onPropertyrdf:resource="http://localhost/default#Series" />                           <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>              </owl:Restriction>                     </rdfs:subClassOf>                     <rdfs:subClassOf>             <owl:Restriction>                     <owl:onPropertyrdf:resource="http://localhost/default#Model" />                           <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>               </owl:Restriction>        </rdfs:subClassOf>    </owl:Class></rdf:RDF>
Tripletas RDFElementos RDF
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFClass: ServersCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#">    <owl:Classrdf:about="http://localhost/default#Servers">        <rdfs:subClassOfrdf:resource="http://localhost/default#Computers"/>        <rdfs:subClassOf>            <owl:Restriction>                <owl:onPropertyrdf:resource="http://localhost/default#Series"/>                <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality></owl:Restriction>
Tripletas RDFClass: ServersCdigo RDF</owl:Restriction>        </rdfs:subClassOf>        <rdfs:subClassOf>            <owl:Restriction>                <owl:onPropertyrdf:resource="http://localhost/default#Patent"/>                <owl:cardinalityrdf:datatype="http://www.w3.org/2001/XMLSchema#nonNegativeInteger">1</owl:cardinality>            </owl:Restriction>        </rdfs:subClassOf>    </owl:Class></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF07/2009Diego Herrera28
OBJECT PROPERTIES07/2009Diego Herrera29
Tripletas RDFObjectProperties:IsACdigo RDF<rdf:RDFxmlns="file:/C:/Documents%20and%20Settings/Administrador/Mis%20documentos/UTPL/SISTEMAS%20INFORMATICOS%20Y%20COMPUTACION/X%20CICLO/Sistemas%20Basados%20en%20el%20Conocimiento/Proyecto%20Final/INFORMATICA_v3.owl#   xml:base="file:/C:/Documents%20and%20Settings/Administrador/Mis%20documentos/UTPL/SISTEMAS%20INFORMATICOS%20Y%20COMPUTACION/X%20CICLO/Sistemas%20Basados%20en%20el%20Conocimiento/Proyecto%20Final/INFORMATICA_v3.owl xmlns:INFORMATICA_v3="file:/C:/Documents%20and%20Settings/Administrador/Mis%20documentos/UTPL/SISTEMAS%20INFORMATICOS%20Y%20COMPUTACION/X%20CICLO/Sistemas%20Basados%20en%20el%20Conocimiento/Proyecto%20Final/INFORMATICA_v3.owl#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:default="http://localhost/default#"     xmlns:owl2xml="http://www.w3.org/2006/12/owl2-xml#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:xsd="http://www.w3.org/2001/XMLSchema#"xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">  <owl:ObjectPropertyrdf:about="http://localhost/default#IsA">  <rdf:typerdf:resource="http://www.w3.org/2002/07/owl#SymmetricProperty" />   <rdfs:domainrdf:resource="http://localhost/default#Hardware" />   <owl:inverseOfrdf:resource="http://localhost/default#IsA" />   <rdfs:rangerdf:resource="http://localhost/default#tangible%20component" />   </owl:ObjectProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFObjectProperties:IsPartOfCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:ObjectPropertyrdf:about="http://localhost/default#IsPartOf">  <rdf:typerdf:resource="http://www.w3.org/2002/07/owl#TransitiveProperty" />   <rdfs:rangerdf:resource="http://localhost/default#Computers" />   <rdfs:domainrdf:resource="http://localhost/default#Hardware" />   <rdfs:domainrdf:resource="http://localhost/default#Software" />   <owl:inverseOfrdf:resource="http://localhost/default#has" />   </owl:ObjectProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFObjectProperties:supportOfCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:ObjectPropertyrdf:about="http://localhost/default#SupportOf">  <rdfs:domainrdf:resource="#Sistemas_Informaticos" />   <rdfs:rangerdf:resource="http://localhost/default#Computers" />   </owl:ObjectProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFObjectProperties: IsResponsableCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:ObjectPropertyrdf:about="http://localhost/default#IsResponsable">  <rdf:typerdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty" />   <rdfs:rangerdf:resource="#Sistemas_Informaticos" />   <rdfs:domainrdf:resource="http://localhost/default#The%20automated%20processing%20of%20information" />   </owl:ObjectProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
DATAPROPERTIES
Tripletas RDFData Properties:CapacityCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:DatatypePropertyrdf:about="http://localhost/default#Capacity">  <rdfs:domainrdf:resource="http://localhost/default#Hardware" />   <rdfs:rangerdf:resource="http://www.w3.org/2001/XMLSchema#integer" />   </owl:DatatypeProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFData Properties:ModelCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:DatatypePropertyrdf:about="http://localhost/default#Model">  <rdfs:domainrdf:resource="http://localhost/default#Laptops" />   <rdfs:rangerdf:resource="http://www.w3.org/2001/XMLSchema#string" />   </owl:DatatypeProperty></rdf:RDF>
Tripletas RDFElementos RDF
Grfico del modelo de datosTripletas RDF
Tripletas RDFData Properties:PatentCdigo RDF<rdf:RDFxmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"xmlns:owl="http://www.w3.org/2002/07/owl#"xmlns:default="http://localhost/default#"><owl:DatatypePropertyrdf:about="http://localhost/default#Patent">  <rdfs:domainrdf:resource="http://localhost/default#Laptops" />   <rdfs:rangerdf:resource="http://www.w3.org/2001/XMLSchema#string" />   </owl:DatatypeProperty></rdf:RDF>
Tripletas RDFElementos RDF
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Tripleta Si