sub:assertion {
sub:article a nt:ExternalUriPlaceholder ,
nt:IntroducedResource ;
rdfs:label "DOI of the article (starting with https://doi.org/10...)" .
sub:article-type a nt:RestrictedChoicePlaceholder ;
rdfs:label "The type of the article" ;
nt:hasDefaultValue <
http://purl.org/spar/fabio/ScholarlyWork> ;
nt:hasRegex "https://doi.org/10.+" ;
nt:possibleValue <
http://purl.org/spar/fabio/InUsePaper> , <
http://purl.org/spar/fabio/MethodsPaper> , <
http://purl.org/spar/fabio/PositionPaper> , <
http://purl.org/spar/fabio/ResearchPaper> , <
http://purl.org/spar/fabio/ResourcePaper> , <
http://purl.org/spar/fabio/ReviewPaper> , <
http://purl.org/spar/fabio/ScholarlyWork> .
sub:assertion dct:description "Such a nanopublication contains the main high-level metadata about a scholarly article, including title, authors, and links to other nanopublications." ;
a nt:AssertionTemplate ,
nt:UnlistedTemplate ;
rdfs:label "Describing core article metadata" ;
nt:hasStatement sub:st01 ,
sub:st02 ;
nt:hasTag "Journals" .
sub:st01 rdf:object sub:article-type ;
rdf:predicate rdf:type ;
rdf:subject sub:article .
sub:st02 rdf:object sub:title ;
rdf:predicate dct:title ;
rdf:subject sub:article .
sub:title a nt:LiteralPlaceholder ;
rdfs:label "The title of the article" .
<
http://purl.org/spar/fabio/InUsePaper>
rdfs:label "in-use paper - A scholarly work that describes applied and validated solutions such as software tools, systems or architectures that benefit from the use of the technology of a particular scholarly domain." .
<
http://purl.org/spar/fabio/MethodsPaper>
rdfs:label "methods paper - A scholarly work detailing a method, procedure or experimental protocol employed in a particular scholarly domain." .
<
http://purl.org/spar/fabio/PositionPaper>
rdfs:label "position paper - A scholarly work that reports a particular intellectual position or viewpoint regarding a particular scholarly topic." .
<
http://purl.org/spar/fabio/ResearchPaper>
rdfs:label "research paper - A scholarly work that reports original research contributions addressing theoretical, analytical or experimental aspects of a particular scholarly domain." .
<
http://purl.org/spar/fabio/ResourcePaper>
rdfs:label "resource paper - A scholarly work that describes resources developed to provide experimental materials or facilities, support a research hypothesis, to provide answers to a research question, or that have contributed to the generation of novel scientific work." .
<
http://purl.org/spar/fabio/ReviewPaper>
rdfs:label "review paper - A scholarly work that surveys the state of the art of topics central to a particular subject or relating to a specific domain (e.g. the scope of a certain journal or conference)." .
<
http://purl.org/spar/fabio/ScholarlyWork>
rdfs:label "scholarly work - A general term that includes all other listed types" .
rdf:type rdfs:label "is a" .
}