Patents by Inventor Carlos J. Caballero Grolimund

Carlos J. Caballero Grolimund 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).

  • Data compression using dictionary encoding
    Patent number: 8933829
    Abstract: Embodiments relate to data compression using dictionary encoding. An aspect includes subdividing a table of uncompressed data into a first block and a second block of complete rows. Another aspect includes determining information about a frequency of occurrence of different values for each column of the first block. Another aspect includes selecting a row of the first block to be removed out of the first block using frequency of occurrence-information. Another aspect includes removing the a row out of the first block to form an updated first block and determining information about a frequency of occurrence of different values for each column of the updated first block. Another aspect includes deriving a dictionary containing code-words for encoding the values of the updated first block. Another aspect includes encoding the values of the updated first block based on the code-words. Another aspect includes adding the removed row to the second block.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: January 13, 2015
    Assignee: International Business Machines Corporation
    Inventors: Felix Beier, Carlos J. Caballero Grolimund, Vijayshankar Raman, Knut Stolze
  • DATA COMPRESSION USING DICTIONARY ENCODING
    Publication number: 20140085115
    Abstract: Embodiments relate to data compression using dictionary encoding. An aspect includes subdividing a table of uncompressed data into a first block and a second block of complete rows. Another aspect includes determining information about a frequency of occurrence of different values for each column of the first block. Another aspect includes selecting a row of the first block to be removed out of the first block using frequency of occurrence-information. Another aspect includes removing the a row out of the first block to form an updated first block and determining information about a frequency of occurrence of different values for each column of the updated first block. Another aspect includes deriving a dictionary containing code-words for encoding the values of the updated first block. Another aspect includes encoding the values of the updated first block based on the code-words. Another aspect includes adding the removed row to the second block.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 27, 2014
    Applicant: International Business Machines Corporation
    Inventors: Felix Beier, Carlos J. Caballero Grolimund, Vijayshankar Raman, Knut Stolze