Patents by Inventor Lixiang Ao

Lixiang Ao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • CHECKPOINT AND RESTORE BASED STARTUP OF EXECUTOR NODES OF A DISTRIBUTED COMPUTING ENGINE FOR PROCESSING QUERIES
    Publication number: 20250231941
    Abstract: A system performs efficient startup of executors of a distributed computing engine used for processing queries, for example, database queries. The system starts an executor node and processes a set of queries using the executor node to warm up the executor node. The system performs a checkpoint of the warmed-up executor node to create an image. The image is restored in the target executor nodes. The system may store a checkpoint image for each configuration of an executor node. The configuration is determined based on various factors including the hardware of the executor node, memory allocation of the processes, and so on. The user or restore based on checkpoint images improves efficiency of execution of the startup of executor nodes.
    Type: Application
    Filed: January 28, 2025
    Publication date: July 17, 2025
    Inventors: Xinyang Ge, Lixiang Ao, Haonan Jing, Aaron Daniel Davidson
  • Checkpoint and restore based startup of executor nodes of a distributed computing engine for processing queries
    Patent number: 12229137
    Abstract: A system performs efficient startup of executors of a distributed computing engine used for processing queries, for example, database queries. The system starts an executor node and processes a set of queries using the executor node to warm up the executor node. The system performs a checkpoint of the warmed-up executor node to create an image. The image is restored in the target executor nodes. The system may store a checkpoint image for each configuration of an executor node. The configuration is determined based on various factors including the hardware of the executor node, memory allocation of the processes, and so on. The user or restore based on checkpoint images improves efficiency of execution of the startup of executor nodes.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: February 18, 2025
    Assignee: Databricks, Inc.
    Inventors: Xinyang Ge, Lixiang Ao, Haonan Jing, Aaron Daniel Davidson
  • Privacy-preserving video analytics
    Patent number: 11082731
    Abstract: Generally discussed herein are devices, systems, and methods for privacy-preserving video. A method can include identifying which classes of objects are present in video data, for each class of the classes identified in the video data, generating respective video streams that include objects of the class and exclude objects not of the class, and providing each of the respective video streams to a content distribution network.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: August 3, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Landon Prentice Cox, Paramvir Bahl, Sandeep Maurice Dsouza, Lixiang Ao
  • PRIVACY-PRESERVING VIDEO ANALYTICS
    Publication number: 20210227271
    Abstract: Generally discussed herein are devices, systems, and methods for privacy-preserving video. A method can include identifying which classes of objects are present in video data, for each class of the classes identified in the video data, generating respective video streams that include objects of the class and exclude objects not of the class, and providing each of the respective video streams to a content distribution network.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 22, 2021
    Inventors: Landon Prentice Cox, Paramvir Bahl, Sandeep Maurice Dsouza, Lixiang Ao