Patents by Inventor Dongcai Lu

Dongcai Lu 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).

  • Question Answering Method and Apparatus Based on Knowledge Graph
    Publication number: 20220284060
    Abstract: A question answering method based on a knowledge graph are disclosed, including: After obtaining a first natural query statement including a first query entity and first entity characteristic information, the terminal queries the knowledge graph based on the first query entity and the first entity characteristic information, to obtain a first result. The terminal obtains a second natural query statement after outputting the first result. The terminal determines a missing part in the second natural query statement based on the first query entity or the first entity characteristic information. The terminal queries the knowledge graph based on the missing part in the second natural query statement to obtain a second result, and outputs the second result.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Dongcai Lu, Yuanzhen Liu, Yi Zheng, Jing Yuan, Baoxing Huai