yarrrml-generator: doesn't support function descriptions

[bjdmeest]

Following RML

# status: working, but still some TODOs
@prefix rr: <http://www.w3.org/ns/r2rml#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rml: <http://semweb.mmlab.be/ns/rml#> .
@prefix ql: <http://semweb.mmlab.be/ns/ql#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix csvw: <http://www.w3.org/ns/csvw#> .

@prefix fnml:     <http://semweb.mmlab.be/ns/fnml#> .
@prefix fno:      <https://w3id.org/function/ontology#> .


@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/2004/02/skos/core#> .
@prefix rov: <http://www.w3.org/ns/regorg#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix locn: <http://www.w3.org/ns/locn#> .

@base <http://knows.com/base/> .

<CustomerSource> 
    rml:source [
      a csvw:Table;
      csvw:url "../../data/general-customer-cleaned.csv";
      csvw:dialect [ 
        a csvw:Dialect;
        csvw:delimiter ";"
      ]
    ];
    rml:referenceFormulation ql:CSV
.

_:smOrganization
  a rr:SubjectMap;
  rr:template "{No_}";
  rr:class rov:RegisteredOrganization;
.

_:smSite
  a rr:SubjectMap;
  rr:template "site/{No_}"; # TODO: site identifier
  rr:class org:Site;
.

################################################################################
# TRIPLE MAPS




# Generates a Site resource for column: 'Address'
# The Site resource is linked to its Organization resource through org:siteOf
<SiteForAddress>
  a rr:TriplesMap;

  rml:logicalSource <CustomerSource> ;

  rr:subjectMap _:smSite;

  rr:predicateObjectMap [
    rr:predicate locn:address;
    rr:objectMap [
      fnml:functionValue [
      	rr:predicateObjectMap [
      		rr:predicate fno:executes ;
      		rr:objectMap [ rr:constant <http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join> ] ] ;
      
      	rr:predicateObjectMap [
      		rr:predicate <http://users.ugent.be/~bjdmeest/function/grel.ttl#p_array_a> ;
      		rr:objectMap [  rml:reference "Address"];
          rr:objectMap [  rml:reference "Address 2"] 
        ];

        rr:predicateObjectMap [
      		rr:predicate <http://users.ugent.be/~bjdmeest/function/grel.ttl#p_string_sep> ;
      		rr:object ', '
        ];

      ] ;
    ];
  ];

  
.

Generates following YARRRML

prefixes:
  rr: 'http://www.w3.org/ns/r2rml#'
  xsd: 'http://www.w3.org/2001/XMLSchema#'
  rml: 'http://semweb.mmlab.be/ns/rml#'
  ql: 'http://semweb.mmlab.be/ns/ql#'
  rdfs: 'http://www.w3.org/2000/01/rdf-schema#'
  csvw: 'http://www.w3.org/ns/csvw#'
  fnml: 'http://semweb.mmlab.be/ns/fnml#'
  fno: 'https://w3id.org/function/ontology#'
  foaf: 'http://xmlns.com/foaf/0.1/'
  org: 'http://www.w3.org/2004/02/skos/core#'
  rov: 'http://www.w3.org/ns/regorg#'
  skos: 'http://www.w3.org/2004/02/skos/core#'
  vcard: 'http://www.w3.org/2006/vcard/ns#'
  locn: 'http://www.w3.org/ns/locn#'
mappings:
  mapping1:
    sources:
      - [n3-0~csv]
    s: site/$(No_)
    po:
      - [a, 'http://www.w3.org/2004/02/skos/core#Site']
      - {p: 'locn:address', o: {pms: [['http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join', 'http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join'], ['http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join', $(Address)], ['http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join', 'http://users.ugent.be/~bjdmeest/function/grel.ttl#array_join']]}}

see all the locnäddress shenanigans :)