Patent ID: 6647409
Filing Date: 2003-11-11
Classification: H04L

Abstract:
A method of maintaining a selective view of server based data on a client computer system, said method comprising:obtaining information related to items on the server; analyzing the information for each item to determine whether the item satisfies predetermined criteria; downloading the items that satisfy the predetermined criteria; deleting local copies of items that do not satisfy the predetermined criteria; wherein the step of analyzing the information for each server-based item further comprises: determining whether a local copy of the server-based item exists on the client computer; if a local copy exists, comparing header information of the local copy to the predetermined criteria to determine whether the local copy satisfies the predetermined criteria; if the local copy satisfies the predetermined criteria, marking the copy for preservation; if no local copy exists, requesting header information for the server based item from the server; and comparing the header information of the server-based item to the predetermined criteria to determine whether the server-based item satisfies the predetermined criteria.