... presented in this book have been developed within the fields of information retrieval and machine learning andinclude indexing, scoring, and categorization of textual documents. Concretely, the main ... retrieves information in internet, he would like to find information relatedto the determined topic. Hence, he has a tendency to retrieve web pages which have content relatedto this topic. For example, ... Stanford Digital Library Technologies Project 1999-0120, 1998.[3] M. Richardson, P. Domingos, The intelligent surfer: Probabilistic combination of link and content information in PageRank, In...