@prefix exif:    <http://www.kanzaki.com/ns/exif#> .
@prefix nid3:    <http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#> .
@prefix nrl:     <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
@prefix nfo:     <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix protege:  <http://protege.stanford.edu/system#> .
@prefix nmo:     <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nexif:   <http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#> .
@prefix ncal:    <http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#> .
@prefix dcterms:  <http://purl.org/dc/terms/> .
@prefix nao:     <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
@prefix pimo:    <http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#> .
@prefix geo:     <http://www.w3.org/2003/01/geo/wgs84_pos#> .
@prefix dc:      <http://purl.org/dc/elements/1.1/> .
@prefix nie:     <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
@prefix nco:     <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

nfo: {nfo:MediaList
          a       rdfs:Class ;
          rdfs:comment "A file containing a list of media files.e.g. a playlist" ;
          rdfs:label "MediaList" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:OperatingSystem
          a       rdfs:Class ;
          rdfs:comment "An OperatingSystem" ;
          rdfs:label "OperatingSystem" ;
          rdfs:subClassOf nfo:Software .

    nfo:Executable
          a       rdfs:Class ;
          rdfs:comment "An executable file." ;
          rdfs:label "Executable" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:duration
          a       rdf:Property ;
          rdfs:comment "Duration of a media piece." ;
          rdfs:domain nfo:Media ;
          rdfs:label "duration" ;
          rdfs:range xsd:duration .

    nfo:wordCount
          a       rdf:Property ;
          rdfs:comment "The amount of words in a text document." ;
          rdfs:domain nfo:TextDocument ;
          rdfs:label "wordCount" ;
          rdfs:range xsd:integer .

    nfo:Filesystem
          a       rdfs:Class ;
          rdfs:comment "A filesystem. Examples of filesystems include hard disk partitions, removable media, but also images thereof stored in files." ;
          rdfs:label "Filesystem" ;
          rdfs:subClassOf nfo:DataContainer .

    nfo:fileLastAccessed
          a       rdf:Property ;
          rdfs:comment "Time when the file was last accessed." ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileLastAccessed" ;
          rdfs:range xsd:dateTime ;
          rdfs:subPropertyOf dc:date .

    nfo:SoftwareService
          a       rdfs:Class ;
          rdfs:comment "A service published by a piece of software, either by an operating system or an application. Examples of such services may include calendar, addresbook and mailbox managed by a PIM application. This category is introduced to distinguish between data available directly from the applications (Via some Interprocess Communication Mechanisms) and data available from files on a disk. In either case both DataObjects would receive a similar interpretation (e.g. a Mailbox) and wouldn't differ on the content level." ;
          rdfs:label "SoftwareService" ;
          rdfs:subClassOf nie:DataObject .

    nfo:Presentation
          a       rdfs:Class ;
          rdfs:comment "A Presentation made by some presentation software (Corel Presentations, OpenOffice Impress, MS Powerpoint etc.)" ;
          rdfs:label "Presentation" ;
          rdfs:subClassOf nfo:Document .

    nfo:channels
          a       rdf:Property ;
          rdfs:comment "Number of channels. This property is to be used directly if no detailed information is necessary. Otherwise use more detailed subproperties." ;
          rdfs:domain nfo:Audio ;
          rdfs:label "channels" ;
          rdfs:range xsd:integer .

    nfo:aspectRatio
          a       rdf:Property ;
          rdfs:comment "Visual content aspect ratio. (Width divided by Height)" ;
          rdfs:domain nfo:Visual ;
          rdfs:label "aspectRatio" ;
          rdfs:range xsd:float .

    nfo:PaginatedTextDocument
          a       rdfs:Class ;
          rdfs:comment "A file containing a text document, that is unambiguously divided into pages. Examples might include PDF, DOC, PS, DVI etc." ;
          rdfs:label "PaginatedTextDocument" ;
          rdfs:subClassOf nfo:TextDocument .

    nfo:conflicts
          a       rdf:Property ;
          rdfs:comment "States that a piece of software is in conflict with another piece of software." ;
          rdfs:domain nfo:Software ;
          rdfs:label "conflicts" ;
          rdfs:range nfo:Software .

    nfo:Video
          a       rdfs:Class ;
          rdfs:comment "A video file." ;
          rdfs:label "Video" ;
          rdfs:subClassOf nfo:Visual .

    nfo:pageCount
          a       rdf:Property ;
          rdfs:comment "Number of pages." ;
          rdfs:domain nfo:PaginatedTextDocument ;
          rdfs:label "pageCount" ;
          rdfs:range xsd:integer .

    nfo:programmingLanguage
          a       rdf:Property ;
          rdfs:comment "Indicates the name of the programming language this source code file is written in. Examples might include 'C', 'C++', 'Java' etc." ;
          rdfs:domain nfo:SourceCode ;
          rdfs:label "programmingLanguage" ;
          rdfs:range xsd:string .

    nfo:definesClass
          a       rdf:Property ;
          rdfs:comment "Name of a class defined in the source code file." ;
          rdfs:domain nfo:SourceCode ;
          rdfs:label "definesClass" ;
          rdfs:range xsd:string .

    nfo:Trash
          a       rdfs:Class ;
          rdfs:comment "Represents a container for deleted files, a feature common in modern operating systems." ;
          rdfs:label "Trash" ;
          rdfs:subClassOf nfo:DataContainer .

    nfo:Attachment
          a       rdfs:Class ;
          rdfs:comment "A file attached to another data object. Many data formats allow for attachments: emails, vcards, ical events, id3 and exif..." ;
          rdfs:label "Attachment" ;
          rdfs:subClassOf nfo:EmbeddedFileDataObject .

    nfo:EmbeddedFileDataObject
          a       rdfs:Class ;
          rdfs:comment "A file embedded in another data object. There are many ways in which a file may be embedded in another one. Use this class directly only in cases if none of the subclasses gives a better description of your case." ;
          rdfs:label "EmbeddedFileDataObject" ;
          rdfs:subClassOf nfo:FileDataObject .

    nfo:count
          a       rdf:Property ;
          rdfs:comment "A common superproperty for all properties signifying the amount of atomic media data units. Examples of subproperties may include sampleCount and frameCount." ;
          rdfs:domain nfo:Media ;
          rdfs:label "count" ;
          rdfs:range xsd:integer .

    nfo:Archive
          a       rdfs:Class ;
          rdfs:comment "A compressed file. May contain other files or folder inside. " ;
          rdfs:label "Archive" ;
          rdfs:subClassOf nfo:DataContainer .

    nfo:hasMediaFileListEntry
          a       rdf:Property ;
          rdfs:comment "This property is intended to point to an RDF list of MediaFiles." ;
          rdfs:domain nfo:MediaList ;
          rdfs:label "hasMediaFileListEntry" ;
          rdfs:range nfo:MediaFileListEntry .

    nfo:DeletedResource
          a       rdfs:Class ;
          rdfs:comment "A file entity that has been deleted from the original source. Usually such entities are stored within various kinds of 'Trash' or 'Recycle Bin' folders." ;
          rdfs:label "DeletedResource" ;
          rdfs:subClassOf nfo:FileDataObject .

    nfo:fileName
          a       rdf:Property ;
          rdfs:comment "Name of the file, together with the extension" ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileName" ;
          rdfs:range xsd:string .

    nfo:encoding
          a       rdf:Property ;
          rdfs:comment "The encoding used for the Embedded File. Examples might include BASE64 or UUEncode" ;
          rdfs:domain nfo:EmbeddedFileDataObject ;
          rdfs:label "encoding" ;
          rdfs:range xsd:string .

    nfo:definesGlobalVariable
          a       rdf:Property ;
          rdfs:comment "Name of a global variable defined within the source code file." ;
          rdfs:domain nfo:SourceCode ;
          rdfs:label "definesGlobalVariable" ;
          rdfs:range xsd:string .

    nfo:compressionType
          a       rdf:Property ;
          rdfs:comment "The type of the compression. Values include, 'lossy' and 'lossless'." ;
          rdfs:domain nfo:Media ;
          rdfs:label "compressionType" ;
          rdfs:range nfo:CompressionType .

    nfo:width
          a       rdf:Property ;
          rdfs:comment "Visual content width in pixels." ;
          rdfs:domain nfo:Visual ;
          rdfs:label "width" ;
          rdfs:range xsd:integer .

    nfo:fileUrl
          a       rdf:Property ;
          rdfs:comment "URL of the file. It points at the location of the file. In cases where creating a simple file:// or http:// URL for a file is difficult (e.g. for files inside compressed archives) the applications are encouraged to use conventions defined by Apache Commons VFS Project at http://jakarta.apache.org/  commons/ vfs/ filesystems.html." ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileUrl" ;
          rdfs:range rdfs:Resource .

    nfo:sampleCount
          a       rdf:Property ;
          rdfs:comment "The amount of samples in an audio clip." ;
          rdfs:domain nfo:Audio ;
          rdfs:label "sampleCount" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:count .

    nfo:bitDepth
          a       rdf:Property ;
          rdfs:comment "A common superproperty for all properties signifying the amount of bits for an atomic unit of data. Examples of subproperties may include bitsPerSample and bitsPerPixel" ;
          rdfs:domain nfo:Media ;
          rdfs:label "bitDepth" ;
          rdfs:range rdfs:Literal .

    nfo:FileDataObject
          a       rdfs:Class ;
          rdfs:comment "A resource containing a finite sequence of bytes with arbitrary information, that is available to a computer program and is usually based on some kind of durable storage. A file is durable in the sense that it remains available for programs to use after the current program has finished." ;
          rdfs:label "FileDataObject" ;
          rdfs:subClassOf nie:DataObject .

    nfo:Folder
          a       rdfs:Class ;
          rdfs:comment "A folder/directory. Examples of folders include folders on a filesystem and message folders in a mailbox." ;
          rdfs:label "Folder" ;
          rdfs:subClassOf nfo:DataContainer .

    nfo:fileOwner
          a       rdf:Property ;
          rdfs:comment "The owner of the file as defined by the file system access rights feature." ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileOwner" ;
          rdfs:range nco:Contact .

    nfo:lossyCompressionType
          a       nfo:CompressionType ;
          rdfs:label "lossyCompressionType" .

    nfo:rate
          a       rdf:Property ;
          rdfs:comment "A common superproperty for all properties specifying the media rate. Examples of subproperties may include frameRate for video and sampleRate for audio. This property is expressed in units per second." ;
          rdfs:domain nfo:Media ;
          rdfs:label "rate" ;
          rdfs:range xsd:float .

    nfo:RemoteDataObject
          a       rdfs:Class ;
          rdfs:comment "A file data object stored at a remote location. Don't confuse this class with a RemotePortAddress. This one applies to a particular resource, RemotePortAddress applies to an address, that can have various interpretations." ;
          rdfs:label "RemoteDataObject" ;
          rdfs:subClassOf nfo:FileDataObject .

    nfo:colorDepth
          a       rdf:Property ;
          rdfs:comment "Amount of bits used to express the color of each pixel." ;
          rdfs:domain nfo:Visual ;
          rdfs:label "colorDepth" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:bitDepth .

    nfo:horizontalResolution
          a       rdf:Property ;
          rdfs:comment "Horizontal resolution of an image (if printed). Expressed in DPI." ;
          rdfs:domain nfo:Image ;
          rdfs:label "horizontalResolution" ;
          rdfs:range xsd:integer .

    nfo:DataContainer
          a       rdfs:Class ;
          rdfs:comment "A superclass for all entities, whose primary purpose is to serve as containers for other data object. They usually don't have any \"meaning\" by themselves. Examples include folders, archives and optical disc images." ;
          rdfs:label "DataContainer" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:Spreadsheet
          a       rdfs:Class ;
          rdfs:comment "A spreadsheet, created by a spreadsheet application. Examples might include Gnumeric, OpenOffice Calc or MS Excel." ;
          rdfs:label "Spreadsheet" ;
          rdfs:subClassOf nfo:Document .

    nfo:Visual
          a       rdfs:Class ;
          rdfs:comment "File containing visual content." ;
          rdfs:label "Visual" ;
          rdfs:subClassOf nfo:Media .

    nfo:fileLastModified
          a       rdf:Property ;
          rdfs:comment "last modification date" ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileLastModified" ;
          rdfs:range xsd:dateTime ;
          rdfs:subPropertyOf dc:date .

    nfo:MindMap
          a       rdfs:Class ;
          rdfs:comment "A MindMap, created by a mind-mapping utility. Examples might include FreeMind or mind mapper." ;
          rdfs:label "MindMap" ;
          rdfs:subClassOf nfo:Document .

    nfo:averageBitrate
          a       rdf:Property ;
          rdfs:comment "The average overall bitrate of a media container. (i.e. the size of the piece of media in bits, divided by it's duration expressed in seconds)." ;
          rdfs:domain nfo:Media ;
          rdfs:label "averageBitrate" ;
          rdfs:range xsd:float ;
          rdfs:subPropertyOf nfo:rate .

    nfo:Document
          a       rdfs:Class ;
          rdfs:comment "A generic document. A common superclass for all documents on the desktop." ;
          rdfs:label "Document" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:uncompressedSize
          a       rdf:Property ;
          rdfs:comment "Uncompressed size of the content of a compressed file." ;
          rdfs:domain nfo:Archive ;
          rdfs:label "uncompressedSize" ;
          rdfs:range xsd:integer .

    nfo:TextDocument
          a       rdfs:Class ;
          rdfs:comment "A text document" ;
          rdfs:label "TextDocument" ;
          rdfs:subClassOf nfo:Document .

    nfo:VectorImage
          a       rdfs:Class ;
          rdfs:label "VectorImage" ;
          rdfs:subClassOf nfo:Image .

    nfo:sideChannels
          a       rdf:Property ;
          rdfs:comment "Number of side channels" ;
          rdfs:label "sideChannels" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:channels .

    nfo:Audio
          a       rdfs:Class ;
          rdfs:comment "A file containing audio content" ;
          rdfs:label "Audio" ;
          rdfs:subClassOf nfo:Media .

    nfo:frameRate
          a       rdf:Property ;
          rdfs:comment "Amount of video frames per second." ;
          rdfs:domain nfo:Video ;
          rdfs:label "frameRate" ;
          rdfs:range xsd:float ;
          rdfs:subPropertyOf nfo:rate .

    nfo:Icon
          a       rdfs:Class ;
          rdfs:comment "An Icon (regardless of whether it's a raster or a vector icon. A resource representing an icon could have two types (Icon and Raster, or Icon and Vector) if required." ;
          rdfs:label "Icon" ;
          rdfs:subClassOf nfo:Image .

    nfo:HtmlDocument
          a       rdfs:Class ;
          rdfs:comment "A HTML document, may contain links to other files." ;
          rdfs:label "HtmlDocument" ;
          rdfs:subClassOf nfo:PlainTextDocument .

    nfo:commentCharacterCount
          a       rdf:Property ;
          rdfs:comment "The amount of character in comments i.e. characters ignored by the compiler/interpreter." ;
          rdfs:domain nfo:SourceCode ;
          rdfs:label "commentCharacterCount" ;
          rdfs:range xsd:integer .

    nfo:Software
          a       rdfs:Class ;
          rdfs:comment "A piece of software. Examples may include applications and the operating system. This interpretation most commonly applies to SoftwareItems." ;
          rdfs:label "Software" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:Font
          a       rdfs:Class ;
          rdfs:comment "A font." ;
          rdfs:label "Font" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:fileCreated
          a       rdf:Property ;
          rdfs:comment "File creation date" ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileCreated" ;
          rdfs:range xsd:dateTime ;
          rdfs:subPropertyOf nie:created .

    nfo:belongsToContainer
          a       rdf:Property ;
          rdfs:comment "Models the containment relations between Files and Folders (or CompressedFiles)." ;
          rdfs:domain nie:DataObject ;
          rdfs:label "belongsToContainer" ;
          rdfs:range nfo:DataContainer ;
          rdfs:subPropertyOf nie:isPartOf .

    nfo:fileSize
          a       rdf:Property ;
          rdfs:comment "The size of the file in bytes. For compressed files it means the size of the packed file, not of the contents. For folders it means the aggregated size of all contained files and folders " ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "fileSize" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nie:byteSize .

    nfo:hashValue
          a       rdf:Property ;
          rdfs:comment "The actual value of the hash." ;
          rdfs:domain nfo:FileHash ;
          rdfs:label "hashValue" ;
          rdfs:range xsd:string .

    nfo:FileHash
          a       rdfs:Class ;
          rdfs:comment "A fingerprint of the file, generated by some hashing function." ;
          rdfs:label "FileHash" ;
          rdfs:subClassOf rdfs:Resource .

    nfo:SourceCode
          a       rdfs:Class ;
          rdfs:comment "Code in a compilable or interpreted programming language." ;
          rdfs:label "SourceCode" ;
          rdfs:subClassOf nfo:PlainTextDocument .

    nfo:interlaceMode
          a       rdf:Property ;
          rdfs:comment "True if the image is interlaced, false if not." ;
          rdfs:domain nfo:Visual ;
          rdfs:label "interlaceMode" ;
          rdfs:range xsd:boolean .

    nfo:permissions
          a       rdf:Property ;
          rdfs:comment "A string containing the permissions of a file. A feature common in many UNIX-like operating systems." ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "permissions" ;
          rdfs:range xsd:string .

    nfo:ArchiveItem
          a       rdfs:Class ;
          rdfs:comment "A file entity inside an archive." ;
          rdfs:label "ArchiveItem" ;
          rdfs:subClassOf nfo:EmbeddedFileDataObject .

    nfo:lfeChannels
          a       rdf:Property ;
          rdfs:comment "Number of Low Frequency Expansion (subwoofer) channels." ;
          rdfs:label "lfeChannels" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:channels .

    nfo:supercedes
          a       rdf:Property ;
          rdfs:comment "States that a piece of software supercedes another piece of software." ;
          rdfs:domain nfo:Software ;
          rdfs:label "supercedes" ;
          rdfs:range nfo:Software .

    nfo:definesFunction
          a       rdf:Property ;
          rdfs:comment "A name of a function/method defined in the given source code file." ;
          rdfs:domain nfo:SourceCode ;
          rdfs:label "definesFunction" ;
          rdfs:range xsd:string .

    nfo:FilesystemImage
          a       rdfs:Class ;
          rdfs:comment "An image of a filesystem. Instances of this class may include CD images, DVD images or hard disk partition images created by various pieces of software (e.g. Norton Ghost)" ;
          rdfs:label "FilesystemImage" ;
          rdfs:subClassOf nfo:Filesystem .

    nfo:Media
          a       rdfs:Class ;
          rdfs:comment "A piece of media content. This class may be used to express complex media containers with many streams of various media content (both aural and visual)." ;
          rdfs:label "Media" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:height
          a       rdf:Property ;
          rdfs:comment "Visual content height in pixels." ;
          rdfs:domain nfo:Visual ;
          rdfs:label "height" ;
          rdfs:range xsd:integer .

    nfo:hashAlgorithm
          a       rdf:Property ;
          rdfs:comment "Name of the algorithm used to compute the hash value. Examples might include CRC32, MD5, SHA, TTH etc." ;
          rdfs:domain nfo:FileHash ;
          rdfs:label "hashAlgorithm" ;
          rdfs:range xsd:string .

    nfo:verticalResolution
          a       rdf:Property ;
          rdfs:comment "Vertical resolution of an Image (if printed). Expressed in DPI" ;
          rdfs:domain nfo:Image ;
          rdfs:label "verticalResolution" ;
          rdfs:range xsd:integer .

    nfo:RemotePortAddress
          a       rdfs:Class ;
          rdfs:comment "An address specifying a remote host and port. Such an address can be interpreted in many ways (examples of such interpretations include mailboxes, websites, remote calendars or filesystems), depending on an interpretation, various kinds of data may be extracted from such an address." ;
          rdfs:label "RemotePortAddress" ;
          rdfs:subClassOf nie:DataObject .

    nfo:MediaFileListEntry
          a       rdfs:Class ;
          rdfs:comment "A single node in the list of media files contained within an MediaList instance. This class is intended to provide a type all those links have. In valid NRL untyped resources cannot be linked. There are no properties defined for this class but the application may expect rdf:first and rdf:last links. The former points to the DataObject instance, interpreted as Media the latter points at another MediaFileListEntr. At the end of the list there is a link to rdf:nil." ;
          rdfs:label "MediaFileListEntry" ;
          rdfs:subClassOf rdfs:Resource .

    nfo:hasMediaStream
          a       rdf:Property ;
          rdfs:comment "Connects a media container with a single media stream contained within." ;
          rdfs:domain nfo:Media ;
          rdfs:label "hasMediaStream" ;
          rdfs:range nie:DataObject ;
          rdfs:subPropertyOf nie:hasPart .

    nfo:CompressionType
          a       rdfs:Class ;
          rdfs:comment "Type of compression. Instances of this class represent the limited set of values allowed for the nfo:compressionType property." ;
          rdfs:label "CompressionType" ;
          rdfs:subClassOf rdfs:Resource .

    nfo:Image
          a       rdfs:Class ;
          rdfs:comment "A file containing an image." ;
          rdfs:label "Image" ;
          rdfs:subClassOf nfo:Visual .

    nfo:lineCount
          a       rdf:Property ;
          rdfs:comment "The amount of lines in a text document" ;
          rdfs:domain nfo:TextDocument ;
          rdfs:label "lineCount" ;
          rdfs:range xsd:integer .

    nfo:bitsPerSample
          a       rdf:Property ;
          rdfs:comment "Amount of bits in each audio sample." ;
          rdfs:domain nfo:Audio ;
          rdfs:label "bitsPerSample" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:bitDepth .

    nfo:losslessCompressionType
          a       nfo:CompressionType ;
          rdfs:label "losslessCompressionType" .

    nfo:hasHash
          a       rdf:Property ;
          rdfs:comment "Links the file with it's hash value." ;
          rdfs:domain nfo:FileDataObject ;
          rdfs:label "hasHash" ;
          rdfs:range nfo:FileHash .

    nfo:SoftwareItem
          a       rdfs:Class ;
          rdfs:comment "A DataObject representing a piece of software. Examples of interpretations of a SoftwareItem include an Application and an OperatingSystem." ;
          rdfs:label "SoftwareItem" ;
          rdfs:subClassOf nie:DataObject .

    nfo:codec
          a       rdf:Property ;
          rdfs:comment "The name of the codec necessary to decode a piece of media." ;
          rdfs:domain nfo:Media ;
          rdfs:label "codec" ;
          rdfs:range rdfs:Literal .

    nfo:fontFamily
          a       rdf:Property ;
          rdfs:comment "The name of the font family." ;
          rdfs:domain nfo:Font ;
          rdfs:label "fontFamily" ;
          rdfs:range xsd:string .

    nfo:frontChannels
          a       rdf:Property ;
          rdfs:comment "Number of front channels." ;
          rdfs:label "frontChannels" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:channels .

    nfo:originalLocation
          a       rdf:Property ;
          rdfs:comment "The original location of the deleted resource." ;
          rdfs:domain nfo:DeletedResource ;
          rdfs:label "originalLocation" ;
          rdfs:range xsd:string .

    nfo:foundry
          a       rdf:Property ;
          rdfs:comment "The foundry, the organization that created the font." ;
          rdfs:domain nfo:Font ;
          rdfs:label "foundry" ;
          rdfs:range nco:Contact ;
          rdfs:subPropertyOf nco:creator .

    nfo:frameCount
          a       rdf:Property ;
          rdfs:comment "The amount of frames in a video sequence." ;
          rdfs:domain nfo:Video ;
          rdfs:label "frameCount" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:count .

    nfo:characterCount
          a       rdf:Property ;
          rdfs:comment "The amount of characters in the document." ;
          rdfs:domain nfo:TextDocument ;
          rdfs:label "characterCount" ;
          rdfs:range xsd:integer .

    nfo:bitrateType
          a       rdf:Property ;
          rdfs:comment "The type of the bitrate. Examples may include CBR and VBR." ;
          rdfs:domain nfo:Media ;
          rdfs:label "bitrateType" ;
          rdfs:range xsd:string .

    nfo:Application
          a       rdfs:Class ;
          rdfs:comment "An application" ;
          rdfs:label "Application" ;
          rdfs:subClassOf nfo:Software .

    nfo:isPasswordProtected
          a       rdf:Property ;
          rdfs:comment "States if a given resource is password-protected." ;
          rdfs:domain nfo:ArchiveItem ;
          rdfs:label "isPasswordProtected" ;
          rdfs:range xsd:boolean .

    nfo:sampleRate
          a       rdf:Property ;
          rdfs:comment "The amount of audio samples per second." ;
          rdfs:domain nfo:Audio ;
          rdfs:label "sampleRate" ;
          rdfs:range xsd:float ;
          rdfs:subPropertyOf nfo:rate .

    nfo:MediaStream
          a       rdfs:Class ;
          rdfs:comment "A stream of multimedia content, usually contained within a media container such as a movie (containing both audio and video) or a DVD (possibly containing many streams of audio and video). Most common interpretations for such a DataObject include Audio and Video." ;
          rdfs:label "MediaStream" ;
          rdfs:subClassOf nie:DataObject .

    nfo:deletionDate
          a       rdf:Property ;
          rdfs:comment "The date and time of the deletion." ;
          rdfs:domain nfo:DeletedResource ;
          rdfs:label "deletionDate" ;
          rdfs:range xsd:dateTime .

    nfo:rearChannels
          a       rdf:Property ;
          rdfs:comment "Number of rear channels." ;
          rdfs:label "rearChannels" ;
          rdfs:range xsd:integer ;
          rdfs:subPropertyOf nfo:channels .

    nfo:HardDiskPartition
          a       rdfs:Class ;
          rdfs:comment "A partition on a hard disk" ;
          rdfs:label "HardDiskPartition" ;
          rdfs:subClassOf nie:DataObject .

    nfo:Cursor
          a       rdfs:Class ;
          rdfs:comment "A Cursor." ;
          rdfs:label "Cursor" ;
          rdfs:subClassOf nfo:RasterImage .

    nfo:PlainTextDocument
          a       rdfs:Class ;
          rdfs:comment "A file containing plain text (ASCII, Unicode or other encodings). Examples may include TXT, HTML, XML, program source code etc." ;
          rdfs:label "PlainTextDocument" ;
          rdfs:subClassOf nfo:TextDocument .

    nfo:Website
          a       rdfs:Class ;
          rdfs:comment "A website, usually a container for remote resources, that may be interpreted as HTMLDocuments, images or other types of content." ;
          rdfs:label "Website" ;
          rdfs:subClassOf nie:InformationElement .

    nfo:RasterImage
          a       rdfs:Class ;
          rdfs:comment "A raster image." ;
          rdfs:label "RasterImage" ;
          rdfs:subClassOf nfo:Image .
}

<http://www.semanticdesktop.org/ontologies/2007/03/22/nfo_metadata#> {nfo:  a       nrl:Ontology ;
          nao:creator <http://www.dfki.uni-kl.de/~mylka> ;
          nao:hasDefaultNamespace
                  "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#" ;
          nao:hasDefaultNamespaceAbbreviation
                  "nfo" ;
          nao:lastModified "2008-02-06T14:12:23.812Z" ;
          nao:status "Unstable" ;
          nao:updatable "0 " ;
          nao:version "Revision-8" .

    <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo_metadata#>
          a       nrl:GraphMetadata ;
          nrl:coreGraphMetadataFor
                  nfo: .
}

