Link Analysis is used to evaluate quality of a page (importance) before displaying the results to the user. There are two ways to do it:
1. Authorities and Hub - Uses L1- norm (Iterative Calculation of Authority and Hub Node Scores gives Primary Eigenvalue)
2. page Rank - using L1 norm. (Markov Chains Concept used; graph may be changed to satisfy Sufficient conditions for Markov Chain).
