XMP Attributes Description Property SearchMonkey Media        
   
Dublin Core schema     
dc:contributor Contributors to the resource (other than the authors).    
dc:coverage The extent or scope of the resource.    
dc:creator The authors of the resource (listed in order of precedence, if significant).    
dc:date External Date(s) that something interesting happened to the resource.    
dc:description A textual description of the content of the resource.    
dc:format The file format used when saving the resource exact type[1]
dc:identifier An unambiguous reference to the resource within a given context.    
dc:language An unordered array specifying the languages used in the resource.    
dc:publisher External Publishers.    
dc:rights Informal rights statement, selected by language    
dc:relation Relationships to other documents.    
dc:source Unique identifier of the work from which this resource was derived.    
dc:subject An unordered array of descriptive phrases or keywords that specify the topic of the content of the resource.    
dc:title The title of the document, or the name given to the resource.    
dc:type The nature of the resrouce: stillimage, video and sound. Or document type; novel, poem, or working paper.
exact medium[2]
   
XMP Basic schema     
xmp:baseURL The base URL for relative URLs in the document content.    
xmp:CreateDate  The date and time the resource was originally created    
xmp:CreatorTool The name of the first known tool used to create the resource.    
xmp:Identifier An unordered array of text strings that unambiguously identify the resource within a given context.    
xmp:Label A word or short phrase that identifies a document as a member of a user-defined collection.    
xmp:MetadataDate    
xmp:Rating    
xmp:Thumbnails    
xmpidq:Scheme    
   
XMP Media Management schema     
xmpMM:DerivedFrom This property is meant to point to an original document, from which the current one is defined    
xmpMM:DocumentID The referenced resource’s xmpMM:DocumentID    
xmpMM:History An ordered array of high-level user actions that resulted in this resource.    
xmpMM:Ingredients an unordered array of references that were incorporated (inclusion or ref) to the document    
xmpMM:InstanceID An identifier for a specific incarnation of a document, updated each time a file is saved. It should be based on a UUID;    
xmp:MM:ManageUI Maybe mapping to dc:description    
xmpMM:OriginalDocumentID    
xmp:MMPantry components, all described by a full XMP desciption    
xmp:MMRenditionClass yes if we represent the rendition as a property    
xmpMM:VersionID yes if we go for a 3 level description scheme    
   
XMP Dynamic Media schema     
xmpDM:album The name of the album. In dc: title    
xmpDM:artist    
xmpDM:audioModDate The date and time when the audio was last modified.    
xmpDM:audioSampleRate     
xmpDM:audioSampleType    
xmpDM:audioChannelType    
xmpDM:audioCompressor    
xmpDM:composer The composer’s name. In dc: 'creator'.    
xmpDM:duration The duration of the media file. Related to dc extend (not part of basic dc set). exact duration[3]
xmpDM:copyright The copyright information.    
xmpDM:fileDataRate   bitrate[4]
xmpDM:genre The name of the genre.    
xmpDM:instrument    
xmpDM:key The audio’s musical key. Belong to dc:description.    
xmpDM:loop     
xmpDM:numberOfBeats The number of beats. Belong to dc:description.    
xmpDM:metadataModDate    
xmpDM:projectRef    
xmpDM:releaseDate    
xmpDM:scaleType The musical scale used in the music.    
xmpDM:scene The name of the scene.    
xmpDM:shotDate The date and time when the video was shot.    
xmpDM:shotLocation    
xmpDM:shotName    
xmpDM:contributedMedia    
xmpDM:startTimecode    
xmpDM:tapeName    
xmpDM:tempo The audio’s tempo.    
xmpDM:timeScaleParams    
xmpDM:trackNumber    
xmpDM:Tracks   channels[5]
xmpDM:markers    
xmpDM:videoAlphaMode    
xmpDM:videoAlphaPremultipleColor    
xmpDM:videoAlphaUnityIsTransparent    
xmpDM:videoColorSpace    
xmpDM:videoCompressor Video compression used. For example, jpeg.    
xmpDM:videoFieldOrder    
xmpDM:videoFrameSize The frame size. For example: w:720, h: 480,   width / height[6]
xmpDM:videoFrameRate   framerate[7]
xmpDM:videoModDate   samplingrate[8]
xmpDM:videoPixelDepth    
xmpDM:videoPixelAspectRatio    
   
 
Relevant but not covered in XMP
filesize[9]
views[10]
Unsure about
(Those values show up in the property list)

[1]
Tobias Bürger:
The standard MIME type of the object.
[2]
Tobias Bürger:
The type of object: image | audio | video | document | executable.
[3]
Tobias Bürger:
A duration in seconds
[4]
Tobias Bürger:
A media bitrate in kilobits per second.
[5]
Tobias Bürger:
The number of audio channels in the media object.
[6]
Tobias Bürger:
Two seperate properties!
Height -- The height in pixels of the media object.
Width -- The width in pixels of the media object.
[7]
Tobias Bürger:
The number of frames per second for the media object.
[8]
Tobias Bürger:
The number of samples per second taken to create the media object.
[9]
Tobias Bürger:
The size of a resource in bytes.
[10]
Tobias Bürger:
The number of times an item has been viewed.