@prefix foaf:    <http://xmlns.com/foaf/0.1/> .
@prefix void:    <http://rdfs.org/ns/void#> .
@prefix dcterms:  <http://purl.org/dc/terms/> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix skos:    <http://www.w3.org/2004/02/skos/core#> .
@prefix voidext: <http://purl.org/query/voidext#> .
@prefix bioquery: <http://purl.org/query/bioquery#> .
@prefix ex: <http://example.org/voidext#> .
@prefix obo: <http://purl.obolibrary.org/obo/> .
@prefix lscr: <http://purl.org/lscr#> .
@prefix orth:<http://purl.org/net/orth#> .
@prefix up: <http://purl.uniprot.org/core/> .
@prefix ensembl: <http://rdf.ebi.ac.uk/resource/ensembl/> .
@prefix oma: <http://omabrowser.org/ontology/oma#>.
@prefix biopax: <http://www.biopax.org/release/biopax-level3.owl#>.
@prefix sd: <http://www.w3.org/ns/sparql-service-description#> .
@prefix drugbank: <http://wifo5-04.informatik.uni-mannheim.de/drugbank/resource/drugbank/>.
@prefix oboowl: <http://www.geneontology.org/formats/oboInOwl#> .
@prefix mex: <http://mex.aksw.org/mex-perf#ClassificationMeasure> .

	    
##############################################################
######### RDF Metadata Instances Bio-Query project ###########
##############################################################

bioquery:EBI a void:Dataset;
    dcterms:title "Linked Open Data platform for EBI data.";
    dcterms:description "The EBI RDF Platform aims to bring together the efforts of a number of EMBL-EBI resources that provide access to their data using Semantic Web technologies.";
    void:sparqlEndpoint <https://www.ebi.ac.uk/rdf/services/sparql>;
    dcterms:modified "2017-07-10"^^xsd:date;
    foaf:homepage <https://www.ebi.ac.uk/rdf/>.

bioquery:UNIPROT a void:Dataset;
    dcterms:title "The Universal Protein Resource (UniProt)";
    dcterms:description "High-quality and freely accessible resource of protein sequence and functional information.";
    void:sparqlEndpoint <https://sparql.uniprot.org/sparql/>;
    dcterms:modified "2018-11-01"^^xsd:date;
    foaf:homepage <https://www.uniprot.org>.

bioquery:OMA a void:Dataset;
    dcterms:title "Orthologous Matrix (OMA)";
    dcterms:description "RDF data extracted from OMA HDF5 file.";
    void:sparqlEndpoint <https://sparql.omabrowser.org/sparql>;
    dcterms:modified "2018-06-01"^^xsd:date;
    foaf:homepage <https://omabrowser.org/>.


bioquery:BGEE a void:Dataset;
    dcterms:title "Bgee - a database of gene expression";
    dcterms:description "Bgee is a database to retrieve and compare gene expression patterns in multiple animal species, produced from multiple data types (RNA-Seq, Affymetrix, in situ hybridization, and EST data). RDF data virtually generated by using an ontology based access approach (OBDA) over the Bgee relational database management system.";
    void:sparqlEndpoint <http://biosoda.expasy.org:8080/rdf4j-server/repositories/bgeelight_mysql>;
    dcterms:modified "2018-12-01"^^xsd:date;
    foaf:homepage <https://bgee.org>.



bioquery:OMA_EBI-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:UNIPROT_EBI-ENSEMBL;
             void:linkPredicate lscr:xrefEnsemblGene;
             voidext:linkPredicateDomain <http://purl.org/net/orth#Gene>;
             voidext:linkPredicateRange <http://purl.obolibrary.org/obo/SO_0000704>;
             dcterms:issued  "2019-06-30"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.

bioquery:OMA_BGEE_1 a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:BGEE_OMA_4 ;
             void:linkPredicate dcterms:identifier;
             voidext:linkPredicateDomain bioquery:Protein_Gene ;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.
             
bioquery:Protein_Gene a owl:Class;
					  owl:unionOf (orth:Protein orth:Gene) .

bioquery:BGEE_OMA_4 a void:Linkset;
             void:subjectsTarget bioquery:BGEE;
             void:objectsTarget bioquery:OMA_BGEE_1;
             void:linkPredicate dcterms:identifier;
             voidext:linkPredicateDomain orth:Gene;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:BGEE.

bioquery:BGEE_OMA_1_4 a voidext:ComplexLinkSet;
			 voidext:intersectAt bioquery:OMA_BGEE_1 ;
			 voidext:intersectAt bioquery:BGEE_OMA_4 ;
             dcterms:issued  "2019-06-28"^^xsd:date;
			 voidext:intersectionType voidext:OBJECT_OBJECT .	

bioquery:OMA_BGEE_2 a voidext:SharedInstanceSet, voidext:SimpleLinkSet;
             void:target bioquery:OMA;
             void:target bioquery:BGEE;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:sharedInstanceType orth:Gene.

bioquery:OMA_BGEE_3 a voidext:SharedInstanceSet, voidext:SimpleLinkSet;
             void:target bioquery:OMA;
             void:target bioquery:BGEE;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:sharedInstanceType up:Taxon.


bioquery:OMA_BGEE_4 a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:BGEE_OMA_1;
             void:linkPredicate rdfs:label;
             voidext:linkPredicateDomain orth:Protein;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.


bioquery:BGEE_OMA_1 a void:Linkset;
             void:subjectsTarget bioquery:BGEE;
             void:objectsTarget bioquery:OMA_BGEE_4;
             void:linkPredicate rdfs:label;
             voidext:linkPredicateDomain orth:Gene;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:BGEE.

bioquery:BGEE_OMA_2 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:BGEE_OMA_1 ;
			voidext:intersectAt bioquery:OMA_BGEE_4 ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .
			
bioquery:BGEE_UNIPROT_3 a void:Linkset;
             void:subjectsTarget bioquery:BGEE;
             void:objectsTarget bioquery:UNIPROT_BGEE_6;
             void:linkPredicate rdfs:label;
             voidext:linkPredicateDomain orth:Gene;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:BGEE.
             
bioquery:BGEE_UNIPROT_4 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:BGEE_UNIPROT_3 ;
			voidext:intersectAt bioquery:UNIPROT_BGEE_6 ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .			
             
bioquery:UNIPROT_EBI-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:UNIPROT;
             void:objectsTarget bioquery:OMA_EBI-ENSEMBL;
             void:linkPredicate up:transcribedFrom;
             voidext:linkPredicateDomain up:Transcript_Resource;
             voidext:linkPredicateRange obo:SO_0000704;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:UNIPROT.

bioquery:UNIPROT_OMA_2 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:UNIPROT_EBI-ENSEMBL ;
			voidext:intersectAt bioquery:OMA_EBI-ENSEMBL ;
            dcterms:issued  "2019-06-30"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .



bioquery:OMA_UNIPROT_1 a void:Linkset, voidext:SimpleLinkSet;
             void:objectsTarget   bioquery:UNIPROT;
             void:subjectsTarget  bioquery:OMA;
             void:linkPredicate lscr:xrefUniprot;
             voidext:linkPredicateDomain orth:Protein;
             voidext:linkPredicateRange up:Protein;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.

             
bioquery:OMA_UNIPROT_4 a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:UNIPROT_OMA_6;
             void:linkPredicate rdfs:label;
             voidext:linkPredicateDomain orth:Protein;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.   

bioquery:UNIPROT_OMA_3 a voidext:ComplexLinkSet;
   			voidext:intersectAt bioquery:OMA_UNIPROT_2 ;
			voidext:intersectAt bioquery:UNIPROT_OMA_4 ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .      

bioquery:UNIPROT_OMA_6 a void:Linkset;
             void:subjectsTarget bioquery:UNIPROT;
             void:objectsTarget bioquery:OMA_UNIPROT_4;
             void:linkPredicate skos:prefLabel;
             voidext:linkPredicateDomain up:Gene;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:UNIPROT.

bioquery:UNIPROT_BGEE_6 a void:Linkset;
             void:subjectsTarget bioquery:UNIPROT;
             void:objectsTarget bioquery:BGEE_UNIPROT_3;
             void:linkPredicate skos:prefLabel;
             voidext:linkPredicateDomain up:Gene;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:UNIPROT.

bioquery:UNIPROT_OMA_5 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:UNIPROT_OMA_6 ;
			voidext:intersectAt bioquery:OMA_UNIPROT_4 ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .  
			
bioquery:OMA_UNIPROT_2 a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:UNIPROT_OMA_4;
             void:linkPredicate oma:swissProtId;
             voidext:linkPredicateDomain orth:Protein;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.   

bioquery:OMA_UNIPROT_3 a voidext:SharedInstanceSet, voidext:SimpleLinkSet;
             void:target bioquery:OMA;
             void:target bioquery:UNIPROT;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:sharedInstanceType up:Taxon.

bioquery:UNIPROT_OMA_4 a void:Linkset;
             void:subjectsTarget bioquery:UNIPROT;
             void:objectsTarget bioquery:OMA_UNIPROT_2;
             void:linkPredicate up:mnemonic;
             voidext:linkPredicateDomain up:Protein;
             voidext:linkPredicateRange rdfs:Literal;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:UNIPROT.     
             
bioquery:BGEE_UNIPROT_1 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:BGEE_UNIPROT-EBI-ENSEMBL ;
			voidext:intersectAt bioquery:UNIPROT_BGEE_EBI-ENSEMBL ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .      

bioquery:UNIPROT_BGEE_EBI-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:UNIPROT;
             void:objectsTarget bioquery:BGEE_UNIPROT-EBI-ENSEMBL;
             void:linkPredicate up:transcribedFrom;
             voidext:linkPredicateDomain up:Transcript_Resource;
             voidext:linkPredicateRange obo:SO_0000704;
             dcterms:issued  "2019-06-30"^^xsd:date;
             voidext:isSubsetOf bioquery:UNIPROT.
			
bioquery:BGEE_UNIPROT_2 a voidext:SharedInstanceSet, voidext:SimpleLinkSet;
             void:target bioquery:BGEE;
             void:target bioquery:UNIPROT;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:sharedInstanceType up:Taxon.
             
bioquery:BGEE_UNIPROT-EBI-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:BGEE;
             void:objectsTarget bioquery:UNIPROT_EBI-ENSEMBL;
             void:linkPredicate lscr:xrefEnsemblGene;
             voidext:linkPredicateDomain <http://purl.org/net/orth#Gene>;
             voidext:linkPredicateRange <http://purl.obolibrary.org/obo/SO_0000704>;
             dcterms:issued  "2019-06-30"^^xsd:date;
             voidext:isSubsetOf bioquery:BGEE.  

bioquery:BGEE_EBI-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:BGEE;
             void:objectsTarget bioquery:OMA_BGEE-ENSEMBL;
             void:linkPredicate lscr:xrefEnsemblGene;
             voidext:linkPredicateDomain <http://purl.org/net/orth#Gene>;
             voidext:linkPredicateRange <http://purl.obolibrary.org/obo/SO_0000704>;
             dcterms:issued  "2019-06-28"^^xsd:date;
             voidext:isSubsetOf bioquery:BGEE.   

bioquery:OMA_BGEE-ENSEMBL a void:Linkset;
             void:subjectsTarget bioquery:OMA;
             void:objectsTarget bioquery:BGEE_EBI-ENSEMBL;
             void:linkPredicate lscr:xrefEnsemblGene;
             voidext:linkPredicateDomain <http://purl.org/net/orth#Gene>;
             voidext:linkPredicateRange <http://purl.obolibrary.org/obo/SO_0000704>;
             dcterms:issued  "2019-06-30"^^xsd:date;
             voidext:isSubsetOf bioquery:OMA.

 bioquery:BGEE_OMA_3 a voidext:ComplexLinkSet;
			voidext:intersectAt bioquery:BGEE_EBI-ENSEMBL ;
			voidext:intersectAt bioquery:OMA_BGEE-ENSEMBL ;
            dcterms:issued  "2019-06-28"^^xsd:date;
			voidext:intersectionType voidext:OBJECT_OBJECT .



##############################################################
########  RDF Metadata VoIDext specification examples   ######
##############################################################

bioquery:ORDO sd:name <http://rdf.ebi.ac.uk/dataset/ordo>;
              a sd:Graph.
bioquery:ORDO_2_6 sd:name <http://rdf.ebi.ac.uk/dataset/ordo/2.6>;
                  a sd:Graph.
                  
bioquery:EBI_ORDO a sd:Dataset, void:Dataset;
    dcterms:title "Orphanet Rare Disease Ontology (ORDO)";
    dcterms:description "The Orphanet nomenclature of rare diseases, essential in improving the visibility of rare diseases. ORDO is stored in EBI RDF store as two RDF graphs.";
    sd:namedGraph bioquery:ORDO, bioquery:ORDO_2_6 ;
    sd:defaultGraph [
            a sd:Graph, void:Dataset;
            dcterms:title "EBI RDF serialisation" ];
    void:sparqlEndpoint <https://www.ebi.ac.uk/rdf/services/sparql>;
    dcterms:modified "2017-07-10"^^xsd:date;
    foaf:homepage <https://www.ebi.ac.uk/rdf/>;
    voidext:isSubsetOf bioquery:EBI.

    
bioquery:DRUGBANK a void:Dataset;
    dcterms:title "Drug Bank RDF";
    dcterms:description "The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug data with comprehensive drug target information.";
    void:sparqlEndpoint <http://wifo5-04.informatik.uni-mannheim.de/drugbank/sparql>;
    dcterms:modified "2011-01-01"^^xsd:date;
    foaf:homepage <http://wifo5-04.informatik.uni-mannheim.de/drugbank/>.


bioquery:EBI_UNIPROT_10 a voidext:SharedInstanceSet;
             void:target bioquery:EBI;
             void:target bioquery:UNIPROT;
             voidext:isSubsetOf bioquery:EBI;
             voidext:resourceMapping '''?IRI_EBI a <http://www.biopax.org/release/biopax-level3.owl#BioSource>.
BIND(IRI(CONCAT("http://purl.uniprot.org/taxonomy/",
         STRAFTER(STR(?IRI_EBI),"http://identifiers.org/taxonomy/"))) as ?IRI_UNIPROT)

FILTER(STRSTARTS(STR(?IRI_EBI),"http://identifiers.org/taxonomy/"))''';
             voidext:sharedInstanceType biopax:BioSource;
		     dcterms:issued  "2019-06-30"^^xsd:date . 

bioquery:EBI_UNIPROT_11 a voidext:SharedInstanceSet;
             void:target bioquery:EBI;
             void:target bioquery:UNIPROT;
             voidext:isSubsetOf bioquery:UNIPROT;
             voidext:resourceMapping 
             '''?IRI_UNIPROT a <http://purl.uniprot.org/core/Taxon>.
BIND(IRI(CONCAT("http://identifiers.org/taxonomy/",
         STRAFTER(STR(?IRI_UNIPROT),"http://purl.uniprot.org/taxonomy/"))) as ?IRI_EBI)

FILTER(STRSTARTS(STR(?IRI_UNIPROT),"http://purl.uniprot.org/taxonomy/"))''';
             voidext:sharedInstanceType up:Taxon ;
		     dcterms:issued  "2019-06-30"^^xsd:date .  
             
bioquery:EBI_UNIPROT_12 a voidext:ComplexLinkSet;
             rdfs:label "Links between EBI and UniProt considering shared similar instances of organism taxonomy"@en;
             rdfs:comment "A virtual link set between EBI and UniProt that share similar organism taxonomy instances. Being UniProt the most complete in terms of organism taxonomy in RDF.";
             voidext:intersectAt bioquery:EBI_UNIPROT_11 ;
			 voidext:intersectAt bioquery:EBI_UNIPROT_10 ; 
			 voidext:recommendedMapping bioquery:EBI_UNIPROT_10 ;
		     dcterms:issued  "2019-06-30"^^xsd:date .              
             
bioquery:DRUGBANK_EBI-ORDO a void:Linkset;
             void:subjectsTarget bioquery:DRUGBANK;
             rdfs:label "The link predicate description from drugbank dataset to the ORDO/EBI rare diseases dataset.";
             rdfs:comment "It is a linkset from the drugbank dataset to ORDO/EBI rare diseases dataset that is part of the bioquery:DRUGBANK_EBI-ORDO_VL complex link set.";
             void:objectsTarget bioquery:EBI-ORDO_DRUGBANK;
             void:linkPredicate drugbank:swissprotId;
             voidext:linkPredicateDomain drugbank:targets;
             voidext:isSubsetOf bioquery:DRUGBANK;
		     dcterms:issued  "2019-06-30"^^xsd:date .    
             
bioquery:EBI-ORDO_DRUGBANK a void:Linkset;
             rdfs:label "The link predicate description from ORDO/EBI rare diseases dataset to the drugbank dataset.";
             rdfs:comment "It is a linkset  from ORDO/EBI rare diseases dataset to the drugbank dataset that is part of the bioquery:DRUGBANK_EBI-ORDO_VL complex link set.";
             void:objectsTarget bioquery:DRUGBANK_EBI-ORDO;
             void:subjectsTarget bioquery:EBI_ORDO;
             void:linkPredicate oboowl:hasDbXref;
             voidext:linkPredicateRange xsd:string ;
             voidext:resourceMapping '''?g <http://www.geneontology.org/formats/oboInOwl#hasDbXref> ?i.
 BIND( IRI(CONCAT("http://bio2rdf.org/uniprot:",STRAFTER(?i,"SwissProt:"))) as ?NEW_IRI)
 FILTER (CONTAINS(?i, "SwissProt:" ))''';
             voidext:isSubsetOf bioquery:EBI_ORDO;
		     dcterms:issued  "2019-06-30"^^xsd:date .  

 bioquery:DRUGBANK_EBI-ORDO_VL a voidext:ComplexLinkSet;
            rdfs:label "Virtual links for rare diseases (ORDO/EBI dataset) and drug targets (drugbank dataset).";
            rdfs:comment "Virtual links between the Orphanet rare disease terms stored as a subset in the EBI RDF store and the drug targets in DrugBank dataset. They have in common swissprot identifiers but they are represented in a different way. One is a string and another one an URI both of them containing a swissprot identifier.";
			voidext:intersectAt bioquery:EBI-ORDO_DRUGBANK ;
			voidext:intersectAt bioquery:DRUGBANK_EBI-ORDO ;
			voidext:intersectionType voidext:OBJECT_OBJECT ;
		    voidext:recommendedMapping bioquery:EBI-ORDO_DRUGBANK;
		    dcterms:issued  "2019-06-30"^^xsd:date . 




#################
########### Non life sciences virtual link set examples
#################     


ex:DBPEDIA a void:Dataset;
    dcterms:title "DBpedia";
    dcterms:description "The RDF dataset based on the Wikipedia dumps dating from October 2016.";
    void:sparqlEndpoint <http://dbpedia.org/sparql>;
    dcterms:modified "2016-10-01"^^xsd:date;
    foaf:homepage <https://dbpedia.org>.
    
ex:MUSICBRAINZ a void:Dataset;
    dcterms:title "MusicBrainz";
    dcterms:description "MusicBrainz - The Open Music Encyclopedia in RDF";
    void:sparqlEndpoint <http://dbtune.org/musicbrainz/sparql>;
    dcterms:modified "2011-07-01"^^xsd:date;
    foaf:homepage <https://wiki.musicbrainz.org/LinkedBrainz>.

ex:LINDAS  a void:Dataset;
    dcterms:title "LINDAS Linked Data Service - Swiss Government Data";
    dcterms:description "Swiss authorities can use LINDAS Linked Data Service to make their data available as RDF";
    void:sparqlEndpoint <https://lindas-data.ch/sparql>;
    foaf:homepage <https://lindas-data.ch/>.

ex:DBPEDIA_MUSICBRAINZ  a void:Linkset;
             void:subjectsTarget ex:DBPEDIA;
             rdfs:label "A link set for artists and bands from DBpedia to MusicBrainz dataset.";
             rdfs:comment "It is a linkset from DBpedia to MusicBrainz dataset that is part of the ex:DBPEDIA_MUSICBRAINZ_VL complex link set. It describes a mapping function to cast the type of rdfs:label assertions stated to instances of dbpedia:Band, dbpedia:Artist and dbpedia_yago:Artist109812338 types to be equivalent to literals in MusicBrainz dataset. These types are also stated as voidext:linkPredicateDomain(s) of the link predicate (rdfs:label) in this linkset.";
             void:objectsTarget ex:MUSICBRAINZ_DBPEDIA;
             void:linkPredicate rdfs:label;
             voidext:linkPredicateDomain ex:Artist_Band;
             voidext:resourceMapping 
'''{?a a <http://dbpedia.org/class/yago/Artist109812338>.} 
    UNION {?a a <http://dbpedia.org/ontology/Band>. }
    UNION{ ?a a <http://dbpedia.org/ontology/Artist>.}
    ?a <http://www.w3.org/2000/01/rdf-schema#label> ?v.
    BIND(str(?v) as ?new_name )''';
             voidext:isSubsetOf ex:DBPEDIA;
             dcterms:issued  "2019-06-30"^^xsd:date.   
 
ex:Artist_Band a owl:Class; 
 	owl:unionOf  (<http://dbpedia.org/ontology/Artist>   <http://dbpedia.org/class/yago/Artist109812338>  <http://dbpedia.org/ontology/Band>) .
 	             
ex:MUSICBRAINZ_DBPEDIA a void:Linkset;
             rdfs:label "A link set for musical artists (that includes bands) from  MusicBrainz dataset to DBpedia dataset.";
             rdfs:comment "It is a linkset from MusicBrainz dataset to the DBpedia dataset. This link set is part of the ex:DBPEDIA_MUSICBRAINZ_VL complex virtual link. ";
             void:objectsTarget ex:DBPEDIA_MUSICBRAINZ;
             void:subjectsTarget ex:MUSICBRAINZ;
             void:linkPredicate foaf:name;
             voidext:linkPredicateRange rdfs:Literal ;
             voidext:linkPredicateDomain <http://purl.org/ontology/mo/MusicArtist>;
             voidext:isSubsetOf ex:MUSICBRAINZ;
             dcterms:issued  "2019-06-30"^^xsd:date.

 ex:DBPEDIA_MUSICBRAINZ_VL a voidext:ComplexLinkSet;
            rdfs:label "A virtual link set for musical artists and bands in both DBpedia and MusicBraiz datasets.";
            rdfs:comment "A set of virtual links is established between the objects of foaf:name assigned to mo:MusicArtist types and the objects of rdfs:label assigned to instances of dbpedia:Band, dbpedia:Artist and dbpedia_yago:Artist109812338 types. They have in common artists/bands' names but they are represented in a different way. One is a literal and another one a literal with a language tag. In this virtual link set, the knowlege domain of intersection is about artists and bands. Thus, rdfs:label(s) and foaf:name(s) are restricted to this domain.";
			voidext:intersectAt ex:MUSICBRAINZ_DBPEDIA ;
			voidext:intersectAt ex:DBPEDIA_MUSICBRAINZ ;
			voidext:intersectionType voidext:OBJECT_OBJECT ;
		    voidext:recommendedMapping ex:DBPEDIA_MUSICBRAINZ;
		    dcterms:issued  "2019-06-30"^^xsd:date. 


ex:MUSICBRAINZ_DBPEDIA_SAMEAS a void:Linkset, voidext:SimpleLinkSet;
             rdfs:label "A link set based on owl:sameAs assertions for musical artists (that includes bands) from  MusicBrainz dataset to DBpedia dataset.";
             rdfs:comment "It is a simple link set from MusicBrainz dataset to the DBpedia dataset based on owl:sameAs assertions stated in the MusicBrainz dataset where the owl:sameAs objects are described in DBpedia. Although more precise, this link set has a lower coverage than ex:DBPEDIA_MUSICBRAINZ_VL .";
             void:objectsTarget ex:DBPEDIA;
             void:subjectsTarget ex:MUSICBRAINZ;
             void:linkPredicate owl:sameAs;
             voidext:linkPredicateRange ex:Artist_Band;
             voidext:linkPredicateDomain <http://purl.org/ontology/mo/MusicArtist>;
             voidext:isSubsetOf ex:MUSICBRAINZ;
             dcterms:issued  "2019-06-30"^^xsd:date.    
 
 
 ex:DBPEDIA_LINDAS_SWISSCANTON  a void:Linkset;
             void:subjectsTarget ex:DBPEDIA;
             rdfs:label "A link set for Swiss cantons from DBpedia to Swiss government LINDAS dataset.";
             rdfs:comment "It is a simple link set from DBpedia to Swiss government LINDAS dataset that is part of the ex:DBPEDIA_LINDAS_SWISSCANTON_VL complex link set. The subject of the void:linkPredicate can be any IRI. However, because this link set is about cantons of Switzerland, the mapping function restricts the subjects' IRIs to those resources that also assert dbpedia:Category:Cantons_of_Switzerland to the dct:subject property.";
             void:objectsTarget ex:LINDAS_DBPEDIA_SWISSCANTON;
             void:linkPredicate <http://dbpedia.org/property/shortName>;
             voidext:linkPredicateRange rdf:langString ;
             voidext:resourceMapping 
'''
?dbpedia_place <http://purl.org/dc/terms/subject> <http://dbpedia.org/resource/Category:Cantons_of_Switzerland>.
?dbpedia_place <http://dbpedia.org/property/shortName> ?c.
BIND(IF(str(?c)="Grisons", "Graubünden / Grigioni / Grischun",
      IF(str(?c)="Geneva", "Genève",
      IF(str(?c)="Lucerne", "Luzern",
      IF(str(?c)="Valais", "Valais / Wallis",
      IF(str(?c)="Bern", "Bern / Berne",
      IF(str(?c)="Fribourg", "Fribourg / Freiburg", str(?c) ))))))
        as ?new_name)''';
             voidext:isSubsetOf ex:DBPEDIA;
             dcterms:issued  "2019-06-30"^^xsd:date.
   
 ex:LINDAS_DBPEDIA_SWISSCANTON  a void:Linkset;
             rdfs:label "A link set for Swiss cantons from  LINDAS Swiss government dataset to DBpedia dataset.";
             rdfs:comment "It is a simple link set from LINDAS dataset to the DBpedia dataset. This link set is part of the ex:DBPEDIA_LINDAS_VL complex link set. ";
             void:objectsTarget ex:DBPEDIA_LINDAS_SWISSCANTON;
             void:subjectsTarget ex:LINDAS;
             void:linkPredicate <https://gont.ch/longName>;
             voidext:linkPredicateRange rdfs:Literal ;
             voidext:linkPredicateDomain  <https://gont.ch/Canton>  ;
             voidext:resourceMapping 
'''?x a  <https://gont.ch/Canton>.
?x <https://gont.ch/longName> ?c.
BIND(IF(contains(?c,"Graubünden"), "Grisons"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#langString>,
      IF( ?c="Genève", "Geneva"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#langString>,
      IF( ?c="Luzern", "Lucerne"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#langString>,
      IF(contains(?c, "/"), STRDT(STRBEFORE(?c, " /"),<http://www.w3.org/1999/02/22-rdf-syntax-ns#langString>),
            STRDT(?c,<http://www.w3.org/1999/02/22-rdf-syntax-ns#langString>)))))
        as ?new_name)''';
             voidext:isSubsetOf ex:LINDAS;
             dcterms:issued  "2019-06-30"^^xsd:date.


 ex:DBPEDIA_LINDAS_SWISSCANTON_VL a voidext:ComplexLinkSet;
            rdfs:label "A virtual link set for cantons in both DBpedia and LINDAS Swiss government datasets.";
            rdfs:comment "A set of virtual links is established between the objects of lindas.longName assigned to instances of lindas.Canton, and the objects of dbpedia.shortName assigned to instances related to the dbpedia:Category:Cantons_of_Switzerland resource. They have in common canton' names but they are represented in a different way. Indeed, the names are of different data types (e.g. literal, langString), multi-value strings (e.g. 'Bern / Berne'), and multiple languages. In this virtual link set, the knowlege domain of intersection is about cantons in Switzerland. Thus, dbpedia.shortName(s) and lindas.longName(s) are restricted to this subdomain.";
			voidext:intersectAt ex:LINDAS_DBPEDIA_SWISSCANTON ;
			voidext:intersectAt ex:DBPEDIA_LINDAS_SWISSCANTON;
			voidext:intersectionType voidext:OBJECT_OBJECT ;
		    voidext:recommendedMapping ex:LINDAS_DBPEDIA_SWISSCANTON;
		    dcterms:issued  "2019-06-30"^^xsd:date. 


ex:LINDAS_DBPEDIA_CITY_1 a void:Linkset, voidext:SimpleLinkSet ;
             rdfs:label "A simple link set for Swiss municipalities from LINDAS Swiss government dataset to DBpedia dataset.";
             rdfs:comment "It is a simple link set from LINDAS dataset to the DBpedia dataset. This link set covers 2352 out of 3428 municipalities in LINDAS dataset.";
             void:objectsTarget ex:DBPEDIA;
             void:subjectsTarget ex:LINDAS;
             void:linkPredicate rdfs:seeAlso;
             voidext:linkPredicateRange  <http://dbpedia.org/ontology/PopulatedPlace>;
             voidext:linkPredicateDomain  <https://gont.ch/Municipality> ;
             voidext:resourceMapping '''
?city a <https://gont.ch/Municipality>.
?city <http://www.w3.org/2000/01/rdf-schema#seeAlso> ?dbpedia_city.
BIND(?dbpedia_city as ?dbpedia_city_new)
FILTER(CONTAINS(STR(?dbpedia_city), "dbpedia"))''';
             voidext:isSubsetOf ex:LINDAS;
             voidext:hasPerformanceMeasure ex:LINDAS_DBPEDIA_CITY1_P ;
             dcterms:issued  "2019-06-30"^^xsd:date. 

ex:LINDAS_DBPEDIA_CITY_2 a void:Linkset, voidext:SimpleLinkSet;
             rdfs:label "A simple link set for Swiss municipalities from LINDAS Swiss government dataset to DBpedia dataset.";
             rdfs:comment "It is a simple link set from LINDAS dataset to the DBpedia dataset. This link set covers 2350 out of 3428 municipalities in LINDAS dataset.";
             void:objectsTarget ex:DBPEDIA;
             void:subjectsTarget ex:LINDAS;
             void:linkPredicate rdfs:seeAlso;
             voidext:linkPredicateRange  ex:LINDAS_DBPEDIA_CITY2_RANGE ;
             voidext:linkPredicateDomain  <https://gont.ch/Municipality> ;
             voidext:hasPerformanceMeasure ex:LINDAS_DBPEDIA_CITY2_P ;
             voidext:isSubsetOf ex:LINDAS;
             voidext:isSubsetOf ex:LINDAS_DBPEDIA_CITY_1 ;
             voidext:resourceMapping '''
?city a <https://gont.ch/Municipality>.
?city <http://www.w3.org/2000/01/rdf-schema#seeAlso> ?dbpedia_city.
BIND(?dbpedia_city as ?dbpedia_city_new)
FILTER(CONTAINS(STR(?dbpedia_city), "dbpedia"))''';
             dcterms:issued  "2019-06-30"^^xsd:date.
            

ex:LINDAS_DBPEDIA_CITY2_RANGE 
rdf:type owl:Class ;
owl:unionOf ( [ rdf:type owl:Restriction ;
                  owl:onProperty <http://dbpedia.org/ontology/type> ;
                  owl:someValuesFrom <http://dbpedia.org/resource/Municipalities_of_Switzerland>] 
                 [  rdf:type owl:Class ;
     				owl:intersectionOf (
     				   <http://dbpedia.org/class/yago/Municipality108626283> 
                         [ rdf:type owl:Restriction ;
                           owl:onProperty <http://dbpedia.org/ontology/country> ;
                 	  	   owl:someValuesFrom <http://dbpedia.org/resource/Switzerland>] ) ]  ) .
                                   
                                                       
ex:LINDAS_DBPEDIA_CITY1_P 
	a mex:ClassificationMeasure;
	mex:precision 1.0;
	mex:recall 0.8209.                                  	
 
 ex:LINDAS_DBPEDIA_CITY2_P 
	a mex:ClassificationMeasure;
	mex:precision 1.0;
	mex:recall 0.8202.