Amazon Technologies, Inc.

Hung Tuan Pham

Ruhi Sarikaya

Rohit Prasad

Kai Chieh Liu

Xiaohu Liu

Chenlei Guo

Joe Pemberton

Arpit Gupta

Abhinav Sethy

Savas Parastatidis

Bigyan Rajbhandari

Nakul Dahiwade

Mayank Kumar

Arshdeep Singh

Nikhil Reddy Kortha

Zheng Du

Zhenyu Yao

Dean Curtis

Pushpendre Rastogi

Nitin Ashok Jain

John Arland Nave

Sriharsha Venkata Chintalapati

Techniques for recommending a skill experience to a user after a user-system dialog session has ended are described. Upon a dialog session ending, the system uses a first machine learning model to determine potential intents to recommend to a user. The system then uses a second machine learning model to determine a particular skill and intent to recommend. The system then prompts the user to accept the recommended skill and intent. If the user accepts, the system calls the recommended skill to execute. As part of calling the skill, the system sends to the skill at least one entity provided in a natural language user input of the ended dialog session. This enables the skill to skip welcome prompts, and initiate processing to output a response based on the intent and the at least one entity of the ended dialog session.

User-system dialog expansion

Techniques for performing centralized unsuperivised learning in a multi-domain system are described. A user may request labeled data for an ML task, where the request includes a prompt for obtaining relevant explicit user feedback. The system may use the prompt to collect explicit user feedback for relevant runtime user inputs. After a duration of time (in the user's request for labeled data) has elapsed, the system determines whether collected user feedback indicates processing of the user input was defective and, if so, determines a cause of the defective processing. The system then uses one or more label generators to generate labeled data using the collected user feedback, whether the processing was defective, and the determined defect cause.

Machine learning label generation

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Kirkland, WA, United States of America

Hung Tuan Pham