Action processing in information exchange services

A computing apparatus comprising:

• one or more computer readable storage media;
• and,
• an information management application comprising program instructions stored on the one or more computer readable media that, when executed by a processing system, direct the processing system to at least:
• initiate an action with respect to one of a plurality of local versions of a service item associated with a source version of the service item;
• transfer an action communication indicative of the action to an information exchange service that maintains the source version of the service item and determines a modification to make to the source version of the service item based on the action initiated with respect to one of the plurality of local versions of the service item;
• responsive to the action communication, receive an update communication indicative of the modification with which to update local data associated with the one of the plurality of local versions of the service item;
• and
• update the local data in accordance with the modification.

A method for operating an information exchange service comprising:

• processing action communications indicative of a plurality of actions taken with respect to a plurality of derivative versions of a service item associated with a source version of the service item;
• when a first action of the plurality of actions is in conflict with a second action of the plurality of actions, determining which action of the first action and the second action controls in view of the conflict;
• identifying a modification to apply to source data associated with the source version of the service item to reflect the action determined to control;
• and
• initiating update communications indicative of the modification with which to update derivative data associated with each of the plurality of derivative versions of the service item.