1. A system for digitizing a set of documents, the documents belonging to a domain, the system comprising: (a) an input module for providing documents in electronic form; (b) a digitization module for digitizing the documents provided by said input module, said digitization module including three sequential processes, a single digitization process, a double digitization process, and a review process; (c) an image repository and digitization database system, said image repository and digitization database system including an image repository, at least one digitization database and at least one knowledge base; (d) a knowledge crawler/builder module for receiving data from said digitization database and building said knowledge base; and (e) a delivery module for providing digitized data.