Package de.uni_trier.wi2.procake.utils.ontology

Class OntologyImpl

    • Constructor Detail

      • OntologyImpl

        public OntologyImpl​(org.apache.jena.ontology.OntModel ontModel)

    • Method Detail

      • init

        public void init​(org.apache.jena.ontology.OntModel ontModel)

      • isIndividual

        public boolean isIndividual​(URIObject res)
        Check if entity is an Individual.
        Specified by:
        isIndividual in interface Ontology
        Parameters:
        res - the entity.
        Returns:
        if it is an Individual.

      • isIndividual

        public boolean isIndividual​(org.apache.jena.rdf.model.Resource res)
        Description copied from interface: Ontology
        Check whether entity is an Individual.
        Specified by:
        isIndividual in interface Ontology
        Parameters:
        res - the entity.
        Returns:
        whether it is an Individual.

      • getLCA

        public URIObject getLCA​(URIObject queryRes,
                        URIObject caseRes)
        Determine the LCA(Least Common Ancestor) of two concepts.
        Specified by:
        getLCA in interface Ontology
        Parameters:
        queryRes - the first Entity.
        caseRes - the second Entity.
        Returns:
        the entity of the LCA.

      • getLCA

        public org.apache.jena.rdf.model.Resource getLCA​(String first,
                                                 String second,
                                                 String root,
                                                 Set<String> relations)
        Description copied from interface: Ontology
        Determine the LCA (Least Common Ancestor) of to concepts.
        Specified by:
        getLCA in interface Ontology
        Parameters:
        first - the first Entity.
        second - the second Entity.
        Returns:
        the entity of the LCA.

      • getLCA

        public org.apache.jena.rdf.model.Resource getLCA​(org.apache.jena.rdf.model.Resource queryRes,
                                                 org.apache.jena.rdf.model.Resource caseRes)

      • getLCA

        public org.apache.jena.rdf.model.Resource getLCA​(org.apache.jena.rdf.model.Resource first,
                                                 org.apache.jena.rdf.model.Resource second,
                                                 org.apache.jena.rdf.model.Resource root,
                                                 Set<org.apache.jena.rdf.model.Property> relations)

      • getUniqueLCA

        public org.apache.jena.rdf.model.Resource getUniqueLCA​(HashSet<org.apache.jena.rdf.model.Resource> tempResources,
                                                       org.apache.jena.rdf.model.Resource resA,
                                                       org.apache.jena.rdf.model.Resource resB)
        Determine the Unique LCA. It is either the most specific or the one with the smallest distance to the entities.
        Parameters:
        tempResources - the possible LCAs.
        resA - the first entity.
        resB - the second entity
        Returns:
        the unique LCA.

      • calculateDepthOfResource

        public int calculateDepthOfResource​(URIObject res)
        Calculate the depth of an entity from the root.
        Specified by:
        calculateDepthOfResource in interface Ontology
        Parameters:
        res - the entity.
        Returns:
        the depth of the entity from the root.

      • calculateDepthOfResource

        public int calculateDepthOfResource​(org.apache.jena.rdf.model.Resource res)
        Specified by:
        calculateDepthOfResource in interface Ontology

      • calculateDepthOfResource

        public int calculateDepthOfResource​(org.apache.jena.rdf.model.Resource res,
                                    org.apache.jena.rdf.model.Resource root)
        Specified by:
        calculateDepthOfResource in interface Ontology

      • calculateDepthOfResource

        public int calculateDepthOfResource​(org.apache.jena.rdf.model.Resource target,
                                    org.apache.jena.rdf.model.Resource root,
                                    Set<org.apache.jena.rdf.model.Property> relations)

      • getShortestPathLength

        public int getShortestPathLength​(URIObject source,
                                 URIObject destination,
                                 String propName)
        Calculate the shortest path from on entity to another over a specific relation and return its length.
        Specified by:
        getShortestPathLength in interface Ontology
        Parameters:
        source - the first entity.
        destination - the second entity.
        propName - the specific relation.
        Returns:
        the length of the shortest path.

      • getShortestPathLength

        public int getShortestPathLength​(org.apache.jena.rdf.model.Resource source,
                                 org.apache.jena.rdf.model.Resource destination,
                                 String propName)

      • getShortestPathLength

        public int getShortestPathLength​(org.apache.jena.rdf.model.Resource source,
                                 org.apache.jena.rdf.model.Resource destination,
                                 Set<String> props)

      • getAncestors

        public Set<String> getAncestors​(URIObject res,
                                Set<String> relations,
                                Predicate<String> isValidTreeValuePredicate)
        Description copied from interface: Ontology
        Recursively collects all parents of the given node connected by minimally one relation in the given set of relations. Is the given node an individual, the classes of the individuals are determined and their parents are collected
        Specified by:
        getAncestors in interface Ontology
        Returns:

      • getAncestors

        public Set<org.apache.jena.rdf.model.Resource> getAncestors​(org.apache.jena.rdf.model.Resource node,
                                                            Set<String> relations)

      • getAncestors

        public Set<org.apache.jena.rdf.model.Resource> getAncestors​(org.apache.jena.rdf.model.Resource node,
                                                            Set<String> relations,
                                                            Predicate<String> isValidTreeValuePredicate)

      • contains

        public boolean contains​(URIObject resourceURIobject)
        Description copied from interface: Ontology
        Check for the existence of the resource in the underlying ontology.
        Specified by:
        contains in interface Ontology
        Parameters:
        resourceURIobject - the resource that will be examined.
        Returns:
        whether the given resource exists in the underlying ontology.

      • contains

        public boolean contains​(String resourceURI)
        Description copied from interface: Ontology
        Check for the existence of the resource in the underlying ontology.
        Specified by:
        contains in interface Ontology
        Parameters:
        resourceURI - the resource that will be examined.
        Returns:
        whether the given resource exists in the underlying ontology.

      • getAllPropertiesOfNode

        public Set<org.apache.jena.rdf.model.Statement> getAllPropertiesOfNode​(String nodeURI)
        Specified by:
        getAllPropertiesOfNode in interface Ontology
        Parameters:
        nodeURI - node whose properties should be collected
        Returns:
        set of all properties

      • query

        public org.apache.jena.query.ResultSet query​(String sparqlQuery)
        Specified by:
        query in interface Ontology
        Parameters:
        sparqlQuery - SPARQL string
        Returns:
        result set

      • query

        public org.apache.jena.query.ResultSet query​(String sparqlQuery,
                                             String queryVar,
                                             String queryUri)
        Specified by:
        query in interface Ontology
        Parameters:
        sparqlQuery - SPARQL string that contains a variable named queryVar.
        queryVar - the name of the variable in sparqlQuery
        queryUri - the URI value to set for queryVar
        Returns:
        result set

      • getAllChildrenForNode

        public Set<String> getAllChildrenForNode​(String rootNodeURI,
                                         Set<String> relations)
        Description copied from interface: Ontology
        Recursively collects all children for a given node which are connected via the given relation.
        Specified by:
        getAllChildrenForNode in interface Ontology
        Parameters:
        rootNodeURI - the node whose children should be collected.
        relations - the relation that is considered during the search.
        Returns:
        a set of all children.

      • getAllChildrenForNode

        public Set<org.apache.jena.rdf.model.Resource> getAllChildrenForNode​(org.apache.jena.rdf.model.Resource root,
                                                                     Set<org.apache.jena.rdf.model.Property> relations)

      • getClassRoots

        public Set<org.apache.jena.rdf.model.Resource> getClassRoots​(org.apache.jena.rdf.model.Resource node)

      • getMaxDepthToLeaf

        public int getMaxDepthToLeaf​(org.apache.jena.rdf.model.Resource root,
                             Set<org.apache.jena.rdf.model.Property> relations)

      • getObjectsOfProperty

        public List<org.apache.jena.rdf.model.RDFNode> getObjectsOfProperty​(org.apache.jena.rdf.model.Resource resource,
                                                                    String property)
        Description copied from interface: Ontology
        Examine the given resource for the given property and collect its objects.
        Specified by:
        getObjectsOfProperty in interface Ontology
        Parameters:
        resource - the resource that will be examined.
        property - the property that will be looked for.
        Returns:
        a list of all nodes representing the object of the predicate that is represented by the given property.

      • getObjectsOfProperty

        public List<org.apache.jena.rdf.model.RDFNode> getObjectsOfProperty​(String resourceURI,
                                                                    String property)
        Description copied from interface: Ontology
        Examine the given resource for the given property and collect its objects.
        Specified by:
        getObjectsOfProperty in interface Ontology
        Parameters:
        resourceURI - the resource that will be examined.
        property - the property that will be looked for.
        Returns:
        a list of all nodes representing the object of the predicate that is represented by the given property.

      • getObjectsOfProperty

        public List<org.apache.jena.rdf.model.RDFNode> getObjectsOfProperty​(URIObject resourceURIObject,
                                                                    String property)
        Description copied from interface: Ontology
        Examine the given resource for the given property and collect its objects.
        Specified by:
        getObjectsOfProperty in interface Ontology
        Parameters:
        resourceURIObject - the resource that will be examined.
        property - the property that will be looked for.
        Returns:
        a list of all nodes representing the object of the predicate that is represented by the given property.

      • isSubClassOfProperty

        public boolean isSubClassOfProperty​(String relation)
        Description copied from interface: Ontology
        Check whether the given relation is a rdfs subclass property.
        Specified by:
        isSubClassOfProperty in interface Ontology

      • isTypeProperty

        public boolean isTypeProperty​(String relation)
        Description copied from interface: Ontology
        Check whether the given relation is a rdf type property.
        Specified by:
        isTypeProperty in interface Ontology

      • getResource

        public org.apache.jena.rdf.model.Resource getResource​(URIObject resourceURIObject)
        Description copied from interface: Ontology
        Fetches the Resource object with the given URI from the underlying Jena ontology model.
        Specified by:
        getResource in interface Ontology
        Parameters:
        resourceURIObject - the URI for which the Resource object should be fetched.
        Returns:
        the desired Resource object.

      • getResource

        public org.apache.jena.rdf.model.Resource getResource​(String resourceURI)
        Description copied from interface: Ontology
        Fetches the Resource object with the given URI from the underlying Jena ontology model.
        Specified by:
        getResource in interface Ontology
        Parameters:
        resourceURI - the URI for which the Resource object should be fetched.
        Returns:
        the desired Resource object.

      • getProperty

        public org.apache.jena.rdf.model.Property getProperty​(String propertyURI)
        Description copied from interface: Ontology
        Fetches the Property object with the given URI from the underlying Jena ontology model.
        Specified by:
        getProperty in interface Ontology
        Parameters:
        propertyURI - the URI for which the Property object should be fetched.
        Returns:
        the desired Property object.

      • getModel

        public org.apache.jena.rdf.model.Model getModel()

      • getOntModel

        public org.apache.jena.ontology.OntModel getOntModel()