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Tracker Ontology Reference Manual | ![]() |
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Icon of the software
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nfo:SoftwareCategory, |
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nfo:Image, |
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-- |
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1 |
Connects a media container with a single media stream contained within.
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nfo:Media, |
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nie:DataObject, |
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nie:hasPart, |
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-- |
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1 |
Number of entries in the list. Optimize some common queries
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nfo:MediaList, |
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xsd:integer, |
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-- |
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-- |
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1 |
States if a given resource is password-protected.
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nfo:ArchiveItem, |
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xsd:boolean, |
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-- |
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1 |
Name of the algorithm used to compute the hash value. Examples might include CRC32, MD5, SHA, TTH etc.
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nfo:FileHash, |
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xsd:string, |
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-- |
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1 |
The amount of frames in a video sequence.
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nfo:Video, |
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xsd:integer, |
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nfo:count, |
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1 |
Models the containment relations between Files and Folders (or CompressedFiles).
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nie:DataObject, |
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nfo:DataContainer, |
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nie:isPartOf, |
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1 |
Gain of media
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nfo:Audio, |
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xsd:integer, |
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-- |
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1 |
Amount of bits used to express the color of each pixel.
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nfo:Visual, |
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xsd:integer, |
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nfo:bitDepth, |
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1 |
Number of channels. This property is to be used directly if no detailed information is necessary. Otherwise use more detailed subproperties.
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nfo:Audio, |
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xsd:integer, |
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nfo:rearChannels, nfo:frontChannels, nfo:lfeChannels, nfo:sideChannels, |
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1 |
States that a piece of software is in conflict with another piece of software.
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nfo:Software, |
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nfo:Software, |
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-- |
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1 |
Position of an entry in a list. Double, to optimize the poor insertions
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nfo:MediaFileListEntry, |
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xsd:double, |
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-- |
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1 |
Section titles and figure descriptions of the document.
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nfo:Document, |
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xsd:string, |
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1 |
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This property is indexed, so it can provide results on text search |
The date and time of the deletion.
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nfo:DeletedResource, |
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xsd:dateTime, |
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-- |
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1 |
Name of a global variable defined within the source code file.
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nfo:SourceCode, |
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xsd:string, |
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-- |
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1 |
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nfo:Image, |
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nfo:Orientation, |
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-- |
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1 |
The amount of words in a text document.
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nfo:TextDocument, |
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xsd:integer, |
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-- |
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1 |
The folder contains a bookmark folder.
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nfo:BookmarkFolder, |
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nfo:BookmarkFolder, |
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nie:hasLogicalPart, |
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Amount of video frames per second.
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nfo:Video, |
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xsd:double, |
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1 |
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.
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nfo:FileDataObject, |
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rdfs:Resource, |
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-- |
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1 |
This property is deprecated
Number of rear channels.
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nfo:Audio, |
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xsd:integer, |
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nfo:channels, |
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-- |
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1 |
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
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nfo:MediaList, |
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nie:InformationElement, |
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The address of the linked object. Usually a web URI.
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nfo:Bookmark, |
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nie:DataObject, |
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nie:links, |
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1 |
States that a piece of software supercedes another piece of software.
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nfo:Software, |
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nfo:Software, |
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-- |
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-- |
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1 |
The folder contains a bookmark.
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nfo:BookmarkFolder, |
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nfo:Bookmark, |
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nie:hasLogicalPart, |
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Might change (IE of DataObject property?)
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nie:InformationElement, |
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xsd:boolean, |
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1 |
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nfo:SourceCode, |
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xsd:string, |
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-- |
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1 |
File creation date
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nfo:FileDataObject, |
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xsd:dateTime, |
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nie:created, |
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1 |
The amount of samples in an audio clip.
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nfo:Audio, |
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xsd:integer, |
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nfo:count, |
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1 |
The type of the compression. Values include, lossy and lossless.
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nfo:Media, |
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nfo:CompressionType, |
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-- |
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Sum of the duration of all items in the list. Optimize some common queries. In seconds
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nfo:MediaList, |
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xsd:integer, |
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-- |
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1 |
Visual content aspect ratio. (Width divided by Height)
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nfo:Visual, |
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xsd:double, |
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-- |
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1 |
The actual value of the hash.
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nfo:FileHash, |
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xsd:string, |
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-- |
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-- |
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1 |
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nfo:WebHistory, |
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xsd:string, |
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-- |
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1 |
The amount of character in comments i.e. characters ignored by the compiler/interpreter.
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nfo:SourceCode, |
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xsd:integer, |
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-- |
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1 |
A string containing the permissions of a file. A feature common in many UNIX-like operating systems.
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nfo:FileDataObject, |
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xsd:string, |
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-- |
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1 |
Duration of a media piece.
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nfo:Media, |
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xsd:integer, |
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-- |
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1 |
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nfo:Bookmark, |
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xsd:integer, |
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-- |
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1 |
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nfo:Bookmark, |
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xsd:integer, |
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1 |
Number of side channels
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nfo:Audio, |
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xsd:integer, |
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nfo:channels, |
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1 |
Links the file with it's hash value.
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nfo:FileDataObject, |
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nfo:FileHash, |
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1 |
The foundry, the organization that created the font.
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nfo:Font, |
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nco:Contact, |
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nco:creator, |
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1 |
True if the image is interlaced, false if not.
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nfo:Visual, |
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xsd:boolean, |
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-- |
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1 |
URI to the element in certain position of the list
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nfo:MediaFileListEntry, |
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xsd:string, |
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The name of the font family.
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nfo:Font, |
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xsd:string, |
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1 |
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This property is indexed, so it can provide results on text search |
Number of pages.
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nfo:PaginatedTextDocument, |
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xsd:integer, |
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Name of a class defined in the source code file.
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nfo:SourceCode, |
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xsd:string, |
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1 |
Time when the file was last accessed.
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nfo:FileDataObject, |
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xsd:dateTime, |
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dc:date, |
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1 |
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nfo:Image, |
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http://www.tracker-project.org/ontologies/poi#ObjectOfInterest, |
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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).
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nfo:Media, |
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xsd:double, |
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The type of the bitrate. Examples may include CBR and VBR.
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nfo:Media, |
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xsd:string, |
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1 |
The name of the codec necessary to decode a piece of media.
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nfo:Media, |
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xsd:string, |
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-- |
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1 |
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nfo:Bookmark, |
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xsd:integer, |
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-- |
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1 |
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nfo:Bookmark, |
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xsd:integer, |
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-- |
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1 |
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
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nfo:FileDataObject, |
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xsd:integer, |
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nie:byteSize, |
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1 |
The original location of the deleted resource.
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nfo:DeletedResource, |
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xsd:string, |
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1 |
This property is intended to point to an RDF list of MediaFiles.
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nfo:MediaList, |
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nfo:MediaFileListEntry, |
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last modification date
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nfo:FileDataObject, |
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xsd:dateTime, |
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dc:date, |
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1 |
Command to launch the software
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nfo:Software, |
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xsd:string, |
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1 |
Amount of bits in each audio sample.
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nfo:Audio, |
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xsd:integer, |
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nfo:bitDepth, |
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-- |
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1 |
The amount of lines in a text document
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nfo:TextDocument, |
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xsd:integer, |
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-- |
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-- |
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1 |
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).
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nfo:Video, |
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xsd:double, |
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-- |
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1 |
A name of a function/method defined in the given source code file.
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nfo:SourceCode, |
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xsd:string, |
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1 |
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
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nfo:Media, |
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rdfs:Literal, |
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nfo:colorDepth, nfo:bitsPerSample, |
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1 |
The owner of the file as defined by the file system access rights feature.
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nfo:FileDataObject, |
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nco:Contact, |
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-- |
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-- |
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1 |
The encoding used for the Embedded File. Examples might include BASE64 or UUEncode
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nfo:EmbeddedFileDataObject, |
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xsd:string, |
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-- |
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1 |
Horizontal resolution of an image (if printed). Expressed in DPI.
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nfo:Image, |
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xsd:integer, |
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-- |
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1 |
Icon of the software
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nfo:Software, |
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nfo:Image, |
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-- |
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1 |
URI to the element in certain position of the list
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nfo:MediaFileListEntry, |
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nie:InformationElement, |
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-- |
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1 |
This property is deprecated
A common superproperty for all properties signifying the amount of atomic media data units. Examples of subproperties may include sampleCount and frameCount.
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nfo:Media, |
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xsd:integer, |
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nfo:frameCount, nfo:sampleCount, |
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1 |
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nfo:WebHistory, |
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xsd:string, |
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1 |
Name of the file, together with the extension
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nfo:FileDataObject, |
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xsd:string, |
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-- |
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1 |
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This property is indexed, so it can provide results on text search |
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).
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nfo:Audio, |
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xsd:double, |
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-- |
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-- |
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1 |
Peak Gain of media
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nfo:Audio, |
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xsd:integer, |
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-- |
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1 |
The amount of characters in the document.
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nfo:TextDocument, |
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xsd:integer, |
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-- |
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1 |
Number of front channels.
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nfo:Audio, |
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xsd:integer, |
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nfo:channels, |
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-- |
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1 |
Uncompressed size of the content of a compressed file.
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nfo:Archive, |
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xsd:integer, |
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-- |
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-- |
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1 |
Genre of media
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nfo:Media, |
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xsd:string, |
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-- |
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-- |
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1 |
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This property is indexed, so it can provide results on text search |
Number of Low Frequency Expansion (subwoofer) channels.
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nfo:Audio, |
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xsd:integer, |
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nfo:channels, |
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1 |
Visual content width in pixels.
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nfo:Visual, |
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xsd:integer, |
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-- |
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-- |
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1 |
Visual content height in pixels.
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nfo:Visual, |
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xsd:integer, |
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-- |
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-- |
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1 |
The amount of audio samples per second.
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nfo:Audio, |
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xsd:double, |
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-- |
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-- |
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1 |
Vertical resolution of an Image (if printed). Expressed in DPI
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nfo:Image, |
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xsd:integer, |
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-- |
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-- |
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1 |