7. An apparatus that determines superwords and meaningful phases, comprising: a database of observed sequences of words, symbols and/or sounds containing a generated set of candidate phrases, the database having a perplexity value based on a language model; superword selecting means for selecting superwords, the selected superwords being incorporated from the database into the language model; and meaningful phrase selecting means for selecting meaningful phrases based on commonality measurements, the selected meaningful phrases being incorporated from the database into the language model.
7. An apparatus that determines superwords and meaningful phases, comprising: a database of observed sequences of words, symbols and/or sounds containing a generated set of candidate phrases, the database having a perplexity value based on a language model; superword selecting means for selecting superwords, the selected superwords being incorporated from the database into the language model; and meaningful phrase selecting means for selecting meaningful phrases based on commonality measurements, the selected meaningful phrases being incorporated from the database into the language model. 12. The apparatus of claim 7, further comprising: recognizing means for recognizing, based on a user's input, at least one meaningful phrase or superword contained in the database.