1. A computer implemented system for validating a document classification process, the system comprising: a document collection; a document classification process performed on the document collection; a random selection module configured to automatically generate a random validation set of documents from the document collection; and a document review process performed on the random validation set of documents to validate results of the document classification process, wherein the system is configured to dynamically and in real-time measure and display on a computer display device a best case estimate of a quality of the results of the document classification process based on the documents that are validated, and given a size of a total data set of the document collection.