H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
H04N21/254—Management at additional data server, e.g. shopping server, rights management server
H04N21/2541—Rights Management
Landscapes
Engineering & Computer Science (AREA)
Databases & Information Systems (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Business, Economics & Management (AREA)
Computer Security & Cryptography (AREA)
Computer Graphics (AREA)
Physics & Mathematics (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Management, Administration, Business Operations System, And Electronic Commerce (AREA)