1. A method of integrating a new document into a corpus of documents, the corpus of documents being a collection of documents the method comprising: generating the new document; modifying at least one existing document in the corpus to have anchor text relating to the new document; automatically training a machine learning classifier using a union of a first set of training data including at least the anchor text and a second set of training data relative to the corpus of documents wherein at least one of the first and second training sets is weighted with the same weight being applied to all set members; and publishing the new document and the at least one modified document.