@base <http://purl.org/net/nknouf/ns/bibtex> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix units: <http://zeitkunst.org/fontomri/0.01/units.owl#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix wot: <http://xmlns.com/wot/0.1/> .
@prefix dc: <../../../dc/elements/1.1/> .
@prefix dcterms: <../../../dc/terms/> .
@prefix dctype: <../../../dc/dcmitype/> .
@prefix bibtex: <#> .

dc:creator
    dc:title "Nicholas Knouf" ;
    a owl:AnnotationProperty .

dc:date
    a owl:AnnotationProperty .

dc:description
    a owl:AnnotationProperty .

dc:identifier
    a owl:AnnotationProperty .

dc:source
    a owl:AnnotationProperty .

dc:subject
    a owl:AnnotationProperty .

dc:title
    a owl:AnnotationProperty .

dcterms:abstract
    a owl:AnnotationProperty .

dcterms:bibliographicCitation
    a owl:AnnotationProperty .

<>
    dc:creator "Nick Knouf <nknouf@mit.edu>" ;
    dc:date "2003-12-29" ;
    dc:description "Transformation of bibTeX into an OWL ontology" ;
    dc:identifier "http://zeitkunst.org/bibtex/0.2/bibtex.owl"^^xsd:anyURI ;
    dc:subject "fMRI, ontology, fMRI analysis" ;
    dc:title "bibtex.owl: an ontology for bibTeX entries" ;
    a owl:Ontology ;
    rdfs:comment "Possible ontology to describe bibTeX entries." ;
    rdfs:label "bibtex ontology" ;
    owl:versionInfo "0.2" .

bibtex:Article
    a owl:Class ;
    rdfs:comment "An article from a journal or magazine."@en ;
    rdfs:label "Article"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasJournal
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Book
    a owl:Class ;
    rdfs:comment "A book with an explicit publisher."@en ;
    rdfs:label "Book"@en ;
    rdfs:subClassOf bibtex:Entry, [
        dc:description "One thing to figure out is whether or not this tells us what we want; that is, does this imply that we must have at least one property of humanCreator, which could be either hasAuthor or hasEditor?" ;
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:humanCreator
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasPublisher
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Booklet
    a owl:Class ;
    rdfs:comment "A work that is printed and bound, but without a named publisher or sponsoring institution."@en ;
    rdfs:label "Booklet"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ] .

bibtex:Conference
    a owl:Class ;
    rdfs:comment "The same as INPROCEEDINGS, included for Scribe compatibility."@en ;
    rdfs:label "Conference"@en ;
    rdfs:subClassOf bibtex:Entry ;
    owl:equivalentClass bibtex:Inproceedings .

bibtex:Entry
    a owl:Class ;
    rdfs:comment "Base class for all entries"@en ;
    rdfs:label "Entry"@en .

bibtex:Inbook
    a owl:Class ;
    rdfs:comment "A part of a book, which may be a chapter (or section or whatever) and/or a range of pages. "@en ;
    rdfs:label "Inbook"@en ;
    rdfs:subClassOf bibtex:Entry, [
        dc:description "One thing to figure out is whether or not this tells us what we want; that is, does this imply that we must have at least one property of humanCreator, which could be either hasAuthor or hasEditor?" ;
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:humanCreator
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:pageChapterData
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasPublisher
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Incollection
    a owl:Class ;
    rdfs:comment "A part of a book having its own title."@en ;
    rdfs:label "Incollection"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasBooktitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasPublisher
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Inproceedings
    a owl:Class ;
    rdfs:comment "An article in a conference proceedings."@en ;
    rdfs:label "Inproceedings"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasBooktitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Manual
    a owl:Class ;
    rdfs:comment "Technical documentation."@en ;
    rdfs:label "Manual"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ] .

bibtex:Mastersthesis
    a owl:Class ;
    rdfs:comment "A Master's thesis."@en ;
    rdfs:label "Mastersthesis"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasSchool
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Misc
    a owl:Class ;
    rdfs:comment "Use this type when nothing else fits."@en ;
    rdfs:label "Misc"@en ;
    rdfs:subClassOf bibtex:Entry .

bibtex:Phdthesis
    a owl:Class ;
    rdfs:comment "A PhD thesis."@en ;
    rdfs:label "Phdthesis"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasSchool
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Proceedings
    a owl:Class ;
    rdfs:comment "The proceedings of a conference."@en ;
    rdfs:label "Proceedings"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Techreport
    a owl:Class ;
    rdfs:comment "A report published by a school or other institution, usually numbered within a series."@en ;
    rdfs:label "Techreport"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasInstitution
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasYear
    ] .

bibtex:Unpublished
    a owl:Class ;
    rdfs:comment "A document having an author and title, but not formally published."@en ;
    rdfs:label "Unpublished"@en ;
    rdfs:subClassOf bibtex:Entry, [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasAuthor
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasTitle
    ], [
        a owl:Restriction ;
        owl:minCardinality "1"^^xsd:nonNegativeInteger ;
        owl:onProperty bibtex:hasNote
    ] .

bibtex:hasAbstract
    a owl:DatatypeProperty ;
    rdfs:comment "An abstract of the work."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has abstract"@en ;
    rdfs:range xsd:string .

bibtex:hasAddress
    a owl:DatatypeProperty ;
    rdfs:comment "Usually the address of the publisher or other type of institution. For major publishing houses, van Leunen recommends omitting the information entirely. For small publishers, on the other hand, you can help the reader by giving the complete address."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has address"@en ;
    rdfs:range xsd:string .

bibtex:hasAffiliation
    a owl:DatatypeProperty ;
    rdfs:comment "The authors affiliation."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has affiliation"@en ;
    rdfs:range xsd:string .

bibtex:hasAnnotation
    a owl:DatatypeProperty ;
    rdfs:comment "An annotation. It is not used by the standard bibliography styles, but may be used by others that produce an annotated bibliography."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has annotation"@en ;
    rdfs:range xsd:string .

bibtex:hasAuthor
    dc:description "This is tricky due to the fact that order is not (generally) preserved in RDF documents.  The problem arises when you want to have an author list where the order is _extremely_ important.  How shall we do that?  Perhaps we want to define \"hasPrimaryAuthor\", \"hasSecondaryAuthor\", \"hasTertiaryAuthor\", and \"hasRemainingAuthors\", or something of that sort.  This will be have to given more thought." ;
    a owl:DatatypeProperty ;
    rdfs:comment "The name(s) of the author(s), in the format described in the LaTeX book."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has author"@en ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf bibtex:humanCreator .

bibtex:hasBooktitle
    a owl:DatatypeProperty ;
    rdfs:comment "Title of a book, part of which is being cited. See the LaTeX book for how to type titles. For book entries, use the title field instead."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has booktitle"@en ;
    rdfs:range xsd:string .

bibtex:hasChapter
    a owl:DatatypeProperty ;
    rdfs:comment "A chapter (or section or whatever) number."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has chapter"@en ;
    rdfs:range xsd:nonNegativeInteger ;
    rdfs:subPropertyOf bibtex:pageChapterData .

bibtex:hasContents
    a owl:DatatypeProperty ;
    rdfs:comment "A Table of Contents."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has contents"@en ;
    rdfs:range xsd:string .

bibtex:hasCopyright
    a owl:DatatypeProperty ;
    rdfs:comment "Copyright information."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has copyright"@en ;
    rdfs:range xsd:string .

bibtex:hasCrossref
    a owl:DatatypeProperty ;
    rdfs:comment "The database key of the entry being cross referenced."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has crossref"@en ;
    rdfs:range xsd:string .

bibtex:hasEdition
    a owl:DatatypeProperty ;
    rdfs:comment "The edition of a book--for example, \"Second\". This should be an ordinal, and should have the first letter capitalized, as shown here; the standard styles convert to lower case when necessary."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has edition"@en ;
    rdfs:range xsd:string .

bibtex:hasEditor
    dc:description "Again, the same issues that arose with the \"hasAuthor\" property apply here." ;
    a owl:DatatypeProperty ;
    rdfs:comment "Name(s) of editor(s), typed as indicated in the LaTeX book. If there is also an author field, then the editor field gives the editor of the book or collection in which the reference appears."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has editor"@en ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf bibtex:humanCreator .

bibtex:hasISBN
    a owl:DatatypeProperty ;
    rdfs:comment "The International Standard Book Number."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has ISBN"@en ;
    rdfs:range xsd:string .

bibtex:hasISSN
    a owl:DatatypeProperty ;
    rdfs:comment "The International Standard Serial Number. Used to identify a journal."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has ISSN"@en ;
    rdfs:range xsd:string .

bibtex:hasInstitution
    dc:description "This could be an object property that refers to an external set of institution instances." ;
    a owl:DatatypeProperty ;
    rdfs:comment "The sponsoring institution of a technical report."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has institution"@en ;
    rdfs:range xsd:string .

bibtex:hasJournal
    dc:description "This could optionally be an object property, whereby the range would refer to an external set of journal instances, thus providing standardized abbreviations for different bibliographic styles." ;
    a owl:DatatypeProperty ;
    rdfs:comment "A journal name. Abbreviations are provided for many journals; see the Local Guide"@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has journal"@en ;
    rdfs:range xsd:string .

bibtex:hasKey
    a owl:DatatypeProperty ;
    rdfs:comment "The key for a particular bibTeX entry.  Note that the rdf:ID for each Entry instance could be the bibTeX key as well, possibly making this property redundant."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has key"@en ;
    rdfs:range xsd:string .

bibtex:hasKeywords
    a owl:DatatypeProperty ;
    rdfs:comment "Key words used for searching or possibly for annotation."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has keywords"@en ;
    rdfs:range xsd:string .

bibtex:hasLCCN
    a owl:DatatypeProperty ;
    rdfs:comment "The Library of Congress Call Number."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has LCCN"@en ;
    rdfs:range xsd:string .

bibtex:hasLanguage
    a owl:DatatypeProperty ;
    rdfs:comment "The language the document is in."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has language"@en ;
    rdfs:range xsd:string .

bibtex:hasLocation
    a owl:DatatypeProperty ;
    rdfs:comment "A location associated with the entry, such as the city in which a conference took place."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has location"@en ;
    rdfs:range xsd:string .

bibtex:hasMonth
    a owl:DatatypeProperty ;
    rdfs:comment "The month in which the work was published or, for an unpublished work, in which it was written. You should use the standard three-letter abbreviation, as described in Appendix B.1.3 of the LaTeX book."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has month"@en ;
    rdfs:range xsd:string .

bibtex:hasMrnumber
    a owl:DatatypeProperty ;
    rdfs:comment "The Mathematical Reviews number."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has mrnumber"@en ;
    rdfs:range xsd:string .

bibtex:hasNote
    a owl:DatatypeProperty ;
    rdfs:comment "Any additional information that can help the reader. The first word should be capitalized."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has note"@en ;
    rdfs:range xsd:string .

bibtex:hasNumber
    a owl:DatatypeProperty ;
    rdfs:comment "The number of a journal, magazine, technical report, or of a work in a series. An issue of a journal or magazine is usually identified by its volume and number; the organization that issues a technical report usually gives it a number; and sometimes books are given numbers in a named series."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has number"@en ;
    rdfs:range xsd:string .

bibtex:hasOrganization
    a owl:DatatypeProperty ;
    rdfs:comment "The organization that sponsors a conference or that publishes a manual."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has organization"@en ;
    rdfs:range xsd:string .

bibtex:hasPages
    a owl:DatatypeProperty ;
    rdfs:comment "One or more page numbers or range of numbers, such as 42-111 or 7,41,73-97 or 43+ (the `+' in this last example indicates pages following that don't form a simple range). To make it easier to maintain Scribe-compatible databases, the standard styles convert a single dash (as in 7-33) to the double dash used in TeX to denote number ranges (as in 7-33)."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has pages"@en ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf bibtex:pageChapterData .

bibtex:hasPrice
    a owl:DatatypeProperty ;
    rdfs:comment "The price of the document."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has price"@en ;
    rdfs:range xsd:string .

bibtex:hasPublisher
    dc:description "This is a case where an ObjectProperty might be a better choice, where the range is some set of publisher names defined in another ontology.  That would allow all of the metadata for the publisher to be incorporated as needed." ;
    a owl:DatatypeProperty ;
    rdfs:comment "The publisher's name."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has publisher"@en ;
    rdfs:range xsd:string .

bibtex:hasSchool
    dc:description "As with \"hasPublisher\", this could be an ObjectProperty that refers to an external set of school instances." ;
    a owl:DatatypeProperty ;
    rdfs:comment "The name of the school where a thesis was written."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has school"@en ;
    rdfs:range xsd:string .

bibtex:hasSeries
    a owl:DatatypeProperty ;
    rdfs:comment "The name of a series or set of books. When citing an entire book, the the title field gives its title and an optional series field gives the name of a series or multi-volume set in which the book is published."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has series"@en ;
    rdfs:range xsd:string .

bibtex:hasSize
    a owl:DatatypeProperty ;
    rdfs:comment "The physical dimensions of a work."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has size"@en ;
    rdfs:range xsd:string .

bibtex:hasTitle
    a owl:DatatypeProperty ;
    rdfs:comment "The work's title, typed as explained in the LaTeX book."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has title"@en ;
    rdfs:range xsd:string .

bibtex:hasType
    a owl:DatatypeProperty ;
    rdfs:comment "The type of a technical report--for example, \"Research Note\"."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has type"@en ;
    rdfs:range xsd:string .

bibtex:hasURL
    a owl:DatatypeProperty ;
    rdfs:comment "The WWW Universal Resource Locator that points to the item being referenced. This often is used for technical reports to point to the ftp or web site where the postscript source of the report is located."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has URL"@en ;
    rdfs:range xsd:string .

bibtex:hasVolume
    a owl:DatatypeProperty ;
    rdfs:comment "The volume of a journal or multivolume book."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has volume"@en ;
    rdfs:range xsd:nonNegativeInteger .

bibtex:hasYear
    a owl:DatatypeProperty ;
    rdfs:comment "The year of publication or, for an unpublished work, the year it was written. Generally it should consist of four numerals, such as 1984, although the standard styles can handle any year whose last four nonpunctuation characters are numerals, such as '(about 1984)'."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "has year"@en ;
    rdfs:range xsd:nonNegativeInteger .

bibtex:howPublished
    a owl:DatatypeProperty ;
    rdfs:comment "How something strange has been published. The first word should be capitalized."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "how published"@en ;
    rdfs:range xsd:string .

bibtex:humanCreator
    a owl:DatatypeProperty ;
    rdfs:comment "A generic human creator category, necessary in order to contain both author and editor."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "human creator"@en ;
    rdfs:range xsd:string .

bibtex:pageChapterData
    a owl:DatatypeProperty ;
    rdfs:comment "A generic property to hold page and/or chapter data."@en ;
    rdfs:domain bibtex:Entry ;
    rdfs:label "page and/or chapter data"@en .

