Patents by Inventor Bart J.L. Steegmans

Bart J.L. Steegmans 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).

  • Index management
    Patent number: 10248680
    Abstract: Embodiments of the present invention provide computer-implemented methods, computer systems and computer program products. According to one embodiment of the present invention, an index of a database is obtained, where the index includes at least one node associated with index information of at least one old data entry that has been deleted from the database, and the node is marked as invalid. Then, a node included in the index is selected based on a key value in index information of a new data entry in response to the new data entry being inserted into the database. Next, the selected node is updated with the index information of the new data entry.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: April 2, 2019
    Assignee: International Business Machines Corporation
    Inventors: Min Fang, Di Jin, Zhenyu Shi, Nigel G. Slinger, Bart J. L. Steegmans, Shu Wang, Li Fei Zheng, Wen Jie Zhu
  • INDEX MANAGEMENT
    Publication number: 20170091245
    Abstract: Embodiments of the present invention provide computer-implemented methods, computer systems and computer program products. According to one embodiment of the present invention, an index of a database is obtained, where the index includes at least one node associated with index information of at least one old data entry that has been deleted from the database, and the node is marked as invalid. Then, a node included in the index is selected based on a key value in index information of a new data entry in response to the new data entry being inserted into the database. Next, the selected node is updated with the index information of the new data entry.
    Type: Application
    Filed: September 28, 2015
    Publication date: March 30, 2017
    Inventors: Min Fang, Di Jin, Zhenyu Shi, Nigel G. Slinger, Bart J.L. Steegmans, Shu Wang, Li Fei Zheng, Wen Jie Zhu