22. A system comprising: a server device configured to: obtain a first n-gram probability for an n-gram from a first language model; determine a hash value for the n-gram; obtain a second n-gram probability from a second language model using the hash value; determine a third n-gram probability using the first n-gram probability and the second n-gram probability; and perform speech recognition using the third n-gram probability.
24. The system of claim 22 , wherein the server device is configured to obtain the first n-gram probability by determining a second hash value for the n-gram and obtaining the first n-gram probability from a language model using the second hash value.