1. A computer system for classifying a web page, comprising: a classification engine for classifying a web page using local features of a seed set of web pages and global web graph information about the seed set of web pages; a binary classifier operably coupled to the classification engine for performing binary classification to provide a binary score for the web page; and a collective inference engine operably coupled to the binary classifier for performing collective inference using the local features of the seed set of web pages and the global web graph information about the seed set of web pages.