18. The computer program product of claim 17 , wherein reducing the first set of lexical features to generate a first language map comprises reducing the first set of lexical features based a frequency of lexical features in the first conversational data.
17. A computer program product for analyzing conversational data, the computer program product comprising a non-transitory computer-readable medium containing instructions, the instructions executable by one or more processors for: receiving first conversational data that is produced by an entity; identifying a first set of lexical features from the first conversational data; reducing the first set of lexical features to generate a first language map; and storing the first language map into a corpus of language maps in association with the entity, the corpus comprising a plurality of language maps that are associated with different entities.