1. A document classification and analysis system, comprising: a processor; a memory including one or more storage regions; and a non-transitory computer-readable medium having stored thereon instructions that, when executed, cause the processor to perform a method, the method comprising: receiving a document including a plurality of words; performing morpheme analysis on the document to extract original forms of the words; tagging each of the words based on a corresponding part-of-speech; determining location information of the words based on an order of the words in the document; applying one or more lexicon lists to the document to classify each of the words; and storing the location information.