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                     The Acknowledgement OSID defines and relates credits 
                    such as authors or creators to  OsidObjects.  
                      
                     Credits  
                    
                      Credits  are relationships between what 
                    is being credited and to what the credit applies. The 
                    enttity being credited is represented by a  
                    Resource.  This service does not define the entity 
                    to which the credit applies and instead references an OSID 
                     Id  external to this service. The  Id 
                     is a reference to an entity managed outside this 
                    service.   
                    
                     The external  Id  reference positions the 
                    Acknowledgement OSID as an auxiliary service that can be 
                    orchestrated with other OSIDs to provide acknowledgements 
                    with any  OsidObject.  Resource is an 
                    abstract interface used for a variety of purposes 
                    including people. The Acknowledgement OSID this has a very 
                    abstract feel whose primary focus is to manage the 
                    relationships.   
                    
                     As with many  OsidRelationships,  the 
                    genus Type can be used to describe the nature of the 
                    relationship, such as a writer or photographer. The  
                    CreditRecord  may be used to capture data related 
                    to the relatonship itself.   
                    
                      OsidRelationships  are temporal by 
                    including effective dates.   
                     Billing Cataloging  
                    
                      Credits  are mapped to  Billings 
                     for organization.  Billings  can be 
                    managed hierarchically to federate multiple collections of 
                     Credits  .  
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