1. A method for obtaining a representation of one or more sets of one or more words from a collection of one or more documents, comprising: issuing the one or more sets of one or more words as a query to a search engine; receiving at least one result from the search engines in response to the one or more search queries; and selecting a number of closest results from the search engine, each result of the closest results representing a document selected from the collection of documents, wherein for each selected closest results documents some content is retrieved, the retrieved content comprising at least one of a document summary, document body, and document body with anchor text.