1. A method of identifying baselines for relationships, comprising: obtaining, at a computer, a first set of relationships between information atoms, wherein at least one of the information atoms comprises a descriptor of an individual; identifying baselines for the first set of relationships; obtaining a second set of relationships between the information atoms; determining a set of differences between the baselines and the relationships in the second set of relationships; identifying a third set of relationships between the set of differences and the descriptor; and associating the differences with the descriptor, based on the third set of relationships.