15. The computer-implemented method of claim 10 , wherein determining the plurality of possible textual transcriptions for the respective spoken input includes identifying, based on the respective context information, at least one possible textual transcription for the respective spoken input that would not have been identified without the respective context information.
10. A computer-implemented method comprising: receiving, by a server system, a first transcription request and a second transcription request, each of the first and second transcription requests including (i) respective information that characterizes respective spoken input from a user of a computing device, and (ii) respective context information associated with the user or the computing device; for each of the first and second transcription requests: determining, based on the respective information that characterizes the respective spoken input, a plurality of possible textual transcriptions for the respective spoken input; selecting, based on the respective context information, one or more of the plurality of possible textual transcriptions as one or more likely intended textual transcriptions for the respective spoken input; sending the one or more likely intended textual transcriptions for the respective spoken input to the computing device; and in conjunction with sending the one or more likely intended textual transcriptions for the respective spoken input to the computing device, deleting, by the server system, the respective context information.