Web structure, age and page quality

This paper is aimed at the study of quantitative measures of the relation between Web structure age and quality of Web pages Quality is studied from di erent link based metrics and their relationship with the structure of the Web and the last modi cation time of a page We show that as expected Pagerank is biased against new pages As a subproduct we propose a Pagerank variant that includes age into account and we obtain information on how the rate of change is related with Web structure