MMM-TEC V2.1 Items

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An Item is a Data Type specified by MMM-TEC or other MPAI Technical Specifications that may include reference to:

1. Rights, i.e., the set of Process Actions that may be exercised by certain Processes on an Item.
2. Qualifier of the Item’s Data to signal the relevant characteristics or technologies of the Item’s Data.
3. Metadata, describing specific characteristics of the Data.

Items are specified by MMM-TEC or other MPAI Technical Specifications for use in M-Instances.

An Item can be made available to an M-Instance by a Process that is directly driven by a human or Autonomous, e.g.,

1. By sensing Media from the Universe and producing Data, Qualifier, and Rights.
2. By producing the Item directly in the M-Instance.
3. By importing an Item from another M-Instance

Table 1 lists all Items referenced by MMM-TEC.

Table 1 – Items and Data Types used in MMM-TEC

General	MMM-SCF	Simple Certificate	X	MMM-CFO	Certificate Object	X
	MMM-SCT	Simple Contract	X	MMM-CTO	Contract Object	X
	MMM-CPB	Capabilities	X	MMM-MIN	M-Instance	X
	MMM-EVT	Event	X	MMM-PRO	Program Object	X
	MMM-IDF	Identifier	X	MMM-RGT	Rights	X
	MMM-LIC	Licence	X	MMM-RUL	Rule	X
	MMM-MEN	M-Environment	X	MMM-UEN	U-Environment	X
Human&User	MMM-ACC	Account	X	MMM-PPR	Personal Profile	X
	MMM-ACD	Activity Data	X	MMM-PDT	Personal Data	X
Process Interaction	MMM-IPP	IPP Message	X	MMM-PAC	Process Action	X
	MMM-MSG	Message	X	MMM-RES	Resolution	X
Service Access	MMM-AUT	Authentication	X	MMM-VLD	Validation	X
	MMM-BDV	Basic Discovery	X	MMM-DVO	Discovery Object	X
	MMM-BIF	Basic Information	X	MMM-IFO	Information Object	X
	MMM-BIT	Basic Interpretation	X	MMM-ITO	Interpretation Object	X
Finance	MMM-ASS	Asset	X	MMM-TRA	Transaction	X
	MMM-CUO	Currency Object	X	MMM-VAL	Value	X
	MMM-PRV	Provenance	X	MMM-WAL	Wallet	X
Perception	OSD-3DO	3D Model Object	X	OSD-3EV	3D Model Event Descriptors	X
	OSD-3SD	3D Model Scene Descriptors	X	OSD-3SG	3D Model Scene Geometry	X
	OSD-AUO	Audio Object	X	OSD-AEV	Audio Event Descriptors	X
	OSD-ASD	Audio Scene Descriptors	X	OSD-ASG	Audio Scene Geometry	X
	OSD-AVO	Audio-Visual Object	X	OSD-MEV	Audio-Visual Event Descriptors	X
	OSD-MSD	Audio-Visual Scene Descriptors	X	OSD-MSG	Audio-Visual Scene Geometry	X
	OSD-SPO	Speech Object	X	OSD-SEV	Speech Event Descriptors	X
	OSD-SSD	Speech Scene Descriptors	X	OSD-SSG	Speech Scene Geometry	X
	OSD-VIO	Visual Object	X	OSD-VSG	Visual Event Descriptors	X
	OSD-VSD	Visual Scene Descriptors	X	OSD-VSG	Visual Scene Geometry	X
	OSD-AUS	Audio Source	X	OSD-LTS	Light Source	X
	OSD-OAC	Object Audio Characteristics	X	MMM-RIT	R-Item	X
	OSD-TXO	Text Object	X
Internal State	MMC-EGS	Cognitive State	X	MMC-EPS	Personal Status	X
	MMC-EEM	Emotion	X	MMC-ESA	Social Attitude	X
Space&Time	MMM-BML	Basic M-Location	X	OSD-OPS	Position	X
	OSD-BTW	Basic Time	X	OSD-SPT	Space-Time	X
	MMM-BUL	Basic U-Location	X	OSD-SPA	Spatial Attitude	X
	MMM-MLC	M-Location	X	OSD-TIM	Time	X
	OSD-OOR	Orientation	X	MMM-ULC	U-Location	X
	OSD-OPV	Point of View	X	MMM-UMM	Universe-Metaverse Map	X

Table 1 references Object, Scene Descriptors, Scene Geometry, and Event Descriptors for 3D Model, Audio, Audio-Visual, Speech, and Visual. However, MMM-TEC implementations may also utilise the specific media versions of other Data Types: LiDAR, Offline Map, RADAR, and Ultrasound.

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