## NFO Ontology Properties

### nfo:interlaceMode

True if the image is interlaced, false if not.

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:boolean,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:width

Visual content width in pixels.

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:depicts

`Type` : | --
`Domain` : | nfo:Image,
`Range` : | http://www.tracker-project.org/ontologies/poi#ObjectOfInterest,
`Superproperties` : | --
`Subproperties` : | --

### nfo:entryContent

URI to the element in certain position of the list

`Type` : | --
`Domain` : | nfo:MediaFileListEntry,
`Range` : | nie:InformationElement,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:isPasswordProtected

States if a given resource is password-protected.

`Type` : | --
`Domain` : | nfo:ArchiveItem,
`Range` : | xsd:boolean,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:bitsPerSample

Amount of bits in each audio sample.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:bitDepth,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:lfeChannels

Number of Low Frequency Expansion (subwoofer) channels.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:channels,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:tilt

Vertical inclination of the camera while capturing the image, in angles starting on 0 as horizontal, positive numbers pointing up, negative angles pointing down

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:definesGlobalVariable

Name of a global variable defined within the source code file.

`Type` : | --
`Domain` : | nfo:SourceCode,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:programmingLanguage

`Type` : | --
`Domain` : | nfo:SourceCode,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileCreated

File creation date

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:dateTime,
`Superproperties` : | nie:created,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:domain

`Type` : | --
`Domain` : | nfo:WebHistory,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:pageCount

Number of pages.

`Type` : | --
`Domain` : | nfo:PaginatedTextDocument,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:hasHash

Links the file with it's hash value.

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | nfo:FileHash,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:characterPosition

`Type` : | --
`Domain` : | nfo:Bookmark,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:duration

Duration of a media piece.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:horizontalResolution

Horizontal resolution of an image (if printed). Expressed in DPI.

`Type` : | --
`Domain` : | nfo:Image,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileLastAccessed

Time when the file was last accessed.

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:dateTime,
`Superproperties` : | dc:date,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:belongsToContainer

Models the containment relations between Files and Folders (or CompressedFiles).

`Type` : | --
`Domain` : | nie:DataObject,
`Range` : | nfo:DataContainer,
`Superproperties` : | nie:isPartOf,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:softwareIcon

Icon of the software

`Type` : | --
`Domain` : | nfo:Software,
`Range` : | nfo:Image,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:conflicts

States that a piece of software is in conflict with another piece of software.

`Type` : | --
`Domain` : | nfo:Software,
`Range` : | nfo:Software,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fontFamily

The name of the font family.

`Type` : | --
`Domain` : | nfo:Font,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1
`Text indexed` : | This property is indexed, so it can provide results on text search

### nfo:gain

Gain of media

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:count

A common superproperty for all properties signifying the amount of atomic media data units. Examples of subproperties may include sampleCount and frameCount.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | nfo:frameCount, nfo:sampleCount,
`Cardinality` : | 1

### nfo:containsBookmarkFolder

The folder contains a bookmark folder.

`Type` : | --
`Domain` : | nfo:BookmarkFolder,
`Range` : | nfo:BookmarkFolder,
`Superproperties` : | nie:hasLogicalPart,
`Subproperties` : | --

### nfo:definesClass

Name of a class defined in the source code file.

`Type` : | --
`Domain` : | nfo:SourceCode,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:frameCount

The amount of frames in a video sequence.

`Type` : | --
`Domain` : | nfo:Video,
`Range` : | xsd:integer,
`Superproperties` : | nfo:count,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:hashValue

The actual value of the hash.

`Type` : | --
`Domain` : | nfo:FileHash,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:hasMediaStream

Connects a media container with a single media stream contained within.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | nie:DataObject,
`Superproperties` : | nie:hasPart,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:codec

The name of the codec necessary to decode a piece of media.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:mediaListEntry

A certain item belongs to a media list. This can reflect that a song is in a playlist, an image or video in an Album

`Type` : | --
`Domain` : | nfo:MediaList,
`Range` : | nie:InformationElement,
`Superproperties` : | --
`Subproperties` : | --

### nfo:heading

Specifies the direction of travelling while capturing image/video. The range of values from 0.00 to 359.99 (where 0 is due North, 90 is East, 180 South and 270 is West)

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileUrl

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.

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | rdfs:Resource,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### Note:

This property is deprecated

### nfo:colorDepth

Amount of bits used to express the color of each pixel.

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:integer,
`Superproperties` : | nfo:bitDepth,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:height

Visual content height in pixels.

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:permissions

A string containing the permissions of a file. A feature common in many UNIX-like operating systems.

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:verticalResolution

Vertical resolution of an Image (if printed). Expressed in DPI

`Type` : | --
`Domain` : | nfo:Image,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:averageBitrate

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).

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:averageVideoBitrate

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).

`Type` : | --
`Domain` : | nfo:Video,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileSize

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

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:integer,
`Superproperties` : | nie:byteSize,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:originalLocation

The original location of the deleted resource.

`Type` : | --
`Domain` : | nfo:DeletedResource,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileOwner

The owner of the file as defined by the file system access rights feature.

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | nco:Contact,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:tableOfContents

Section titles and figure descriptions of the document.

`Type` : | --
`Domain` : | nfo:Document,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1
`Text indexed` : | This property is indexed, so it can provide results on text search

### nfo:averageAudioBitrate

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).

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:orientation

`Type` : | --
`Domain` : | nfo:Image,
`Range` : | nfo:Orientation,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:bookmarks

The address of the linked object. Usually a web URI.

`Type` : | --
`Domain` : | nfo:Bookmark,
`Range` : | nie:DataObject,
`Superproperties` : | nie:links,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:frontChannels

Number of front channels.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:channels,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:softwareCmdLine

Commando to launch the software

`Type` : | --
`Domain` : | nfo:Software,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:deletionDate

The date and time of the deletion.

`Type` : | --
`Domain` : | nfo:DeletedResource,
`Range` : | xsd:dateTime,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:uncompressedSize

Uncompressed size of the content of a compressed file.

`Type` : | --
`Domain` : | nfo:Archive,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:bitDepth

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

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | rdfs:Literal,
`Superproperties` : | --
`Subproperties` : | nfo:colorDepth, nfo:bitsPerSample,
`Cardinality` : | 1

### nfo:entryCounter

Number of entries in the list. Optimize some common queries

`Type` : | --
`Domain` : | nfo:MediaList,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:uri

`Type` : | --
`Domain` : | nfo:WebHistory,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:commentCharacterCount

The amount of character in comments i.e. characters ignored by the compiler/interpreter.

`Type` : | --
`Domain` : | nfo:SourceCode,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:listPosition

Position of an entry in a list. Double, to optimize the poor insertions

`Type` : | --
`Domain` : | nfo:MediaFileListEntry,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:softwareCategoryIcon

Icon of the software

`Type` : | --
`Domain` : | nfo:SoftwareCategory,
`Range` : | nfo:Image,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:compressionType

The type of the compression. Values include, lossy and lossless.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | nfo:CompressionType,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:sampleCount

The amount of samples in an audio clip.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:count,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:peakGain

Peak Gain of media

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:sampleRate

The amount of audio samples per second.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:listDuration

Sum of the duration of all items in the list. Optimize some common queries. In seconds

`Type` : | --
`Domain` : | nfo:MediaList,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileLastModified

last modification date

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:dateTime,
`Superproperties` : | dc:date,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:characterCount

The amount of characters in the document.

`Type` : | --
`Domain` : | nfo:TextDocument,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:definesFunction

A name of a function/method defined in the given source code file.

`Type` : | --
`Domain` : | nfo:SourceCode,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:genre

Genre of media

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1
`Text indexed` : | This property is indexed, so it can provide results on text search

### nfo:wordCount

The amount of words in a text document.

`Type` : | --
`Domain` : | nfo:TextDocument,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:channels

Number of channels. This property is to be used directly if no detailed information is necessary. Otherwise use more detailed subproperties.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | nfo:rearChannels, nfo:frontChannels, nfo:lfeChannels, nfo:sideChannels,
`Cardinality` : | 1

### nfo:bitrateType

The type of the bitrate. Examples may include CBR and VBR.

`Type` : | --
`Domain` : | nfo:Media,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:rearChannels

Number of rear channels.

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:channels,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:aspectRatio

Visual content aspect ratio. (Width divided by Height)

`Type` : | --
`Domain` : | nfo:Visual,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:encoding

The encoding used for the Embedded File. Examples might include BASE64 or UUEncode

`Type` : | --
`Domain` : | nfo:EmbeddedFileDataObject,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:foundry

The foundry, the organization that created the font.

`Type` : | --
`Domain` : | nfo:Font,
`Range` : | nco:Contact,
`Superproperties` : | nco:creator,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:fileName

Name of the file, together with the extension

`Type` : | --
`Domain` : | nfo:FileDataObject,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1
`Text indexed` : | This property is indexed, so it can provide results on text search

### nfo:frameRate

Amount of video frames per second.

`Type` : | --
`Domain` : | nfo:Video,
`Range` : | xsd:double,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:hashAlgorithm

Name of the algorithm used to compute the hash value. Examples might include CRC32, MD5, SHA, TTH etc.

`Type` : | --
`Domain` : | nfo:FileHash,
`Range` : | xsd:string,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:containsBookmark

The folder contains a bookmark.

`Type` : | --
`Domain` : | nfo:BookmarkFolder,
`Range` : | nfo:Bookmark,
`Superproperties` : | nie:hasLogicalPart,
`Subproperties` : | --

### nfo:hasMediaFileListEntry

This property is intended to point to an RDF list of MediaFiles.

`Type` : | --
`Domain` : | nfo:MediaList,
`Range` : | nfo:MediaFileListEntry,
`Superproperties` : | --
`Subproperties` : | --

### nfo:sideChannels

Number of side channels

`Type` : | --
`Domain` : | nfo:Audio,
`Range` : | xsd:integer,
`Superproperties` : | nfo:channels,
`Subproperties` : | --
`Cardinality` : | 1

### nfo:supercedes

States that a piece of software supercedes another piece of software.

`Type` : | --
`Domain` : | nfo:Software,
`Range` : | nfo:Software,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:streamPosition

`Type` : | --
`Domain` : | nfo:Bookmark,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:pageNumber

`Type` : | --
`Domain` : | nfo:Bookmark,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:lineCount

The amount of lines in a text document

`Type` : | --
`Domain` : | nfo:TextDocument,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1

### nfo:streamDuration

`Type` : | --
`Domain` : | nfo:Bookmark,
`Range` : | xsd:integer,
`Superproperties` : | --
`Subproperties` : | --
`Cardinality` : | 1