Patent ID: 7356492

Claim:
In a computer system, a method for generating custom catalogs from a master catalog comprising: defining a master data set comprising a plurality of data records stored in a database on a computer; configuring a first bit vector index to define a first set of available data records in said master data set; configuring a second bit vector index to define a second set of available data records in said master data set; configuring a third bit vector index to define a first set of available features in said master data set; configuring a fourth bit vector index defining a second set of available features in said master data set; performing a bitwise AND operation between said first bit vector index and said second bit vector index to select a first view data record set from said plurality of data records in said master data set; performing a bitwise AND operation between said third bit vector index and said fourth bit vector index to yield a first view feature set; and, providing a first view to a first user comprising said first view data record set having said first view feature set.