Patent ID: 7805422

Claim:
A storage platform comprising: a database engine; a data store implemented on the database engine for storing data therein; an application programming interface that enables application programs to issue requests for notification of a change to one or more specified elements stored in the data store; and a data structure comprising a plurality of parameter tables, each one of the plurality of parameter tables configured to respectively store information regarding requests from entities with a same security context, wherein: requests from at least two entities subject to having the same security context are multiplexed to form a combined query of the database engine; a first change notification request from a first entity of said at least two entities has a first security context for accessing said data store; a second change notification request from a second entity of said at least two entities has a second security context for accessing said data store; and said first change notification request and said second change notification request are directed to a same parameter table of said plurality of parameter tables.