Patents by Inventor Kai Feng Cui

Kai Feng Cui 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).

  • Patent number: 10459947
    Abstract: Using historical queries to determine database columns to populate a partial database. A partial database is created based, at least in part, on key values related to columns in a database for which the columns are most frequently accessed.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 29, 2019
    Assignee: International Business Machines Corporation
    Inventors: Kai Feng Cui, Shuo Li, Shu Hua Liu, Xin Ying Yang
  • Patent number: 9805091
    Abstract: Processing a database table comprises receiving a multi-dimensional processing instruction for processing at least two columns of the database table, wherein the two columns comprise a selection column and a sort column, wherein the multi-dimensional processing instruction is for selecting a plurality of candidate rows by sorting based on the selection column and the sort column. An index takes the selection column as master column and the sort column as slave column. Nodes in the index are selected according to the selection column. Each of the selected nodes is associated with a respective slave column value sequence. A merge sort is performed on each of the slave column value sequences to obtain a sort result for the candidate rows.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: October 31, 2017
    Assignee: International Business Machines Corporation
    Inventors: Kai Feng Cui, Shuo Li, Xin Ying Yang
  • Publication number: 20170228449
    Abstract: Using historical queries to determine database columns to populate a partial database. A partial database is created based, at least in part, on key values related to columns in a database for which the columns are most frequently accessed.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 10, 2017
    Inventors: Kai Feng Cui, Shuo Li, Shu Hua Liu, Xin Ying Yang