1. A method comprising: selecting one or more network domain features and one or more information domain features, the network domain features being based on the connectivity of a network, and the information domain features being based on meta-data associated with information stored within the network; determining a network domain covariance based on the one or more network domain features; determining an information domain covariance based on the one or more information domain features; and combining the network domain covariance and the information domain covariance to determine a path update.