Patent ID: 11893983
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 14:
15. A computer system for improving speech recognition, the computer system comprising:
one or more computer processors;
one or more computer readable storage media; and
program instructions stored on the computer readable storage media for execution by at least one of the one or more processors, the program instructions comprising:
program instructions to receive a new word to add to a prefix tree;
program instructions to determine a bonus score for a first transition from a first node to a second node in the prefix tree on condition that the first transition is included in a path of at least one transition representing the new word;
program instructions to determine a hypothesis score for a hypothesis that corresponds to a speech sequence based, at least in part, on the prefix tree, wherein the hypothesis score adds the bonus score to an initial hypothesis score to determine the hypothesis score; and
responsive to a determination that the hypothesis score exceeds a threshold value, program instructions to generate an output text sequence for the speech sequence based on the hypothesis.