Patent ID: 7953673

Claim:
A method, performed on a computer system, for forming a group of people having a related interest, comprising: using the computer system to perform the following: defining a plurality of interest topics for a contacts network, the contacts network having a plurality of people and relationships between the plurality of people in the contacts network; establishing a sub-network with respect to every interest topic by assigning a grade to every person in the contacts network for the interest topic, and calculating, for every relationship, a weight of a relationship link between two people in the sub-network, wherein a first person is represented by a first node (A) and a second person is represented by a second node (B), and wherein the calculating comprises calculating a weight of a relationship between the first node (A) and the second node (B) using the following equation: A, B=(A's grade* B's grade)/(A's grade+B's grade); and merging the sub-networks into a multiple interest network.