Abstract: The present community membership data management system identifies each user and their associated communities of interest. Each community has a user defined permission to access a subset of the user's data, which data is shared among some or all of the members of that community. When the user's data is updated, the update is automatically propagated to all of the identified associated communities of interest and the members of those communities who have permission to receive that data. Thus, each user of the present community membership data management system has their computerized calendar and address book system automatically populated with data, which data is continuously and automatically updated. The confidentiality and security of the user data is maintained by defining a set of permissions among the communities, members of communities and for each user to ensure that the user maintains control of the propagation of their data.

Abstract: The automatic address book update system which automates the data collection and maintenance tasks for computerized address book systems. The automatic address book update system is architected to automatically update the data contained therein, by automatically populating the address entries of a subscriber's computerized address book system. This is accomplished as part of the origination/receipt of a telephone call by the subscriber, where the Local Exchange Carrier (LEC) maintains a customer database (identifying the name, address, telephone number) of their local customers and can also retrieve this information from other Local Exchange Carriers on a long distance call.