Patents by Inventor Chang Feng Li

Chang Feng Li 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: 10394868
    Abstract: A mechanism is provided for identifying suggestions as to which log files associated with data in a data warehouse to search for particular data. Features from the contents of a plurality of log files from a set of log files are selected. The plurality of log files are grouped based on the selected features. Using extracted log event sequences, a correlation between the log event sequences and a plurality of data transaction tables from a set of data transaction tables in the data warehouse is calculated. Suggestions as to which log files in the set of log files should be searched is then identified for particular data based on a business relevance value and a utilized data ratio.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: August 27, 2019
    Assignee: International Business Machines Corporation
    Inventors: Miao He, Jin Feng Li, Chang Rui Ren, Bing Shao, Ming Xie, Tian Zhi Zhao
  • Publication number: 20140355519
    Abstract: The invention discloses a method and system for sharing wireless traffic, the method comprising: receiving a request for sharing the wireless traffic from a requesting mobile device, the request containing a list of unique numbers of other mobile devices within a certain range of distance from the requesting mobile device; selecting, for the requesting mobile device, at least one mobile device for sharing the wireless traffic from the received list; and sending, to the requesting mobile device, the unique number of the at least one selected mobile device and its connection channel password. By virtue of the method and apparatus according to the embodiments of the present invention, traffic can be shared among mobile devices' users without participation of mobile operators, thereby saving money for the users.
    Type: Application
    Filed: April 23, 2014
    Publication date: December 4, 2014
    Applicant: International Business Machines Corporation
    Inventors: Chang Feng Li, Xing Xing Shen, Yun Wang, Ding Guo Wang, Yu Jie Zhao