1. A method, comprising: selecting a document from a set of documents to be analyzed; converting a character stream from the document into a token stream based on tokenization rules; removing irrelevant tokens from the token stream; converting tokens remaining in the token stream into an integer domain representation based on a domain specific ontology dictionary; storing the integer domain representation to a Graphics Processing Unit (GPU) processing queue of each of one or more GPUs; and receiving a result set from the one or more GPUs.