Norm

NEN-ISO/IEC 21000-22:2016 en

Information technology - Multimedia framework (MPEG-21) - Part 22: User Description

179,33

Over deze norm

Status Definitief
Aantal pagina's 165
Commissie Coding of audio, picture, multimedia and hypermedia information
Gepubliceerd op 01-11-2016
Taal Engels
NEN-ISO/IEC 21000-22 standardizes the four data formats: User Description (UD), Context Description (CD), Service Description (SD), and Recommendation Description (RD). - User Description (UD): a set of descriptions which may contain static and dynamic information about the user, including some other data like the history of the user’s interactions, preferences, security settings regarding these information, etc. - Context Description (CD): a set of descriptions of the environmental situation in which the user operates, e.g., user’s device in use, physical position, environmental variables (temperature, humidity, sound level, etc.), security settings regarding these inform ation, etc. - Service Description (SD): a set of descriptions containing information (including security settings) about the service (or a set of sub-services), that is offered to the end-user application, e.g. video on demand, maps, etc. - Recommendation Description (RD): a set of descriptions containing information about recommended items, provided when a customer requests a service in a certain context and in a certain environment. RD may include 1) the recommended content, 2) information extracted from UD, CD, SD, 3) additional logical relations among UD/CD/SD (or their subsets) and 4) metadata from UD/CD/SD. This document specifies User Description, Context Description, Service Description and Recommendation Description. Description Managers, Recommendation Engine and Application are outside of the scope of this document.

Details

ICS-code 35.040.40
Engelse titel Information technology - Multimedia framework (MPEG-21) - Part 22: User Description

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