The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
Sep. 22, 2016
Educational Testing Service, Princeton, NJ (US);
Vikram Ramanarayanan, San Francisco, CA (US);
David Suendermann-Oeft, San Francisco, CA (US);
Patrick Lange, San Francisco, CA (US);
Alexei V. Ivanov, Redwood City, CA (US);
Keelan Evanini, Pennington, NJ (US);
Yao Qian, San Francisco, CA (US);
Zhou Yu, Pittsburgh, PA (US);
Educational Testing Service, Princeton, NJ (US);
Abstract
Systems and methods are provided for implementing an educational dialog system. An initial task model is accessed that identifies a plurality of dialog states associated with a task, a language model configured to identify a response meaning associated with a received response, and a language understanding model configured to select a next dialog state based on the identified response meaning. The task is provided to a plurality of persons for training. The task model is updated by revising the language model and the language understanding model based on responses received to prompts of the provided task, and the updated task is provided to a student for development of speaking capabilities.