Patents by Inventor Ying Zeng

Ying Zeng 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).

  • COST-BASED SUBQUERY CORRELATION AND DECORRELATION
    Publication number: 20080215534
    Abstract: Techniques are provided that determine that a query includes at least one subquery that may be correlated or decorrelated. An internal representation of the query that represents the subquery in both correlated and decorrelated form is generated, wherein the internal representation includes at least one virtual table.
    Type: Application
    Filed: April 16, 2008
    Publication date: September 4, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Thomas Abel BEAVIN, Mengchu CAI, Yao-Ching Stephen CHEN, Hsiuying Yen CHENG, Fen-Ling LIN, Irene Ching-Hua LIU, Jerry MUKAI, Demai NI, Yoichi TSUJI, Li XIA, Ying ZENG
  • Cost-based subquery correlation and decorrelation
    Patent number: 7376646
    Abstract: Techniques are provided that determine that a query includes at least one subquery that may be correlated or decorrelated. An internal representation of the query that represents the subquery in both correlated and decorrelated form is generated, wherein the internal representation includes at least one virtual table.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: May 20, 2008
    Assignee: International Business Machines Corporation
    Inventors: Thomas Abel Beavin, Mengchu Cai, Yao-Ching Stephen Chen, Hsiuying Yen Cheng, Fen-Ling Lin, Irene Ching-Hua Liu, Jerry Mukai, Demai Ni, Yoichi Tsuji, Li Xia, Ying Zeng
  • Row Identifier List Processing Management
    Publication number: 20080082489
    Abstract: A method, computer program product, and system for managing row identifier (RID) list processing on an index are provided. The method, computer program product, and system provide for accessing one or more key values in the index based on one or more keys specified in a query, retrieving a plurality of row identifiers corresponding to the one or more key values from the index, and predicting an actual number of row identifiers to be retrieved from the index based on the one or more key values accessed and the plurality of row identifiers retrieved.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 3, 2008
    Applicant: International Business Machines Corporation
    Inventors: Ying-Lin CHEN, You-Chin Fuh, Fen-Ling Lin, Terence Patrick Purcell, Ying Zeng
  • RFID systems and methods of operating the same in power-saving modes
    Publication number: 20080061943
    Abstract: A method of operating an RFID system and an RFID system in a power-saving mode are disclosed. In one embodiment, the system comprises at least one reader and at least one tag. The at least one reader may transmit a wake-up signal to the at least one tag when turning on, and the at least one tag stays alternatively in a sniff mode and a sleep mode at an alternative period before receiving the wake-up signal. The method may comprise modulating the wake-up signal by using N time markers.
    Type: Application
    Filed: August 11, 2006
    Publication date: March 13, 2008
    Inventors: Ke-Li Wu, Hong-Yang Wang, Da-Cheng Wei, Ying-Zeng Yin, Wai-Cheung Tang
  • Cost-based subquery correlation and decorrelation
    Publication number: 20060287979
    Abstract: Techniques are provided that determine that a query includes at least one subquery that may be correlated or decorrelated. An internal representation of the query that represents the subquery in both correlated and decorrelated form is generated, wherein the internal representation includes at least one virtual table.
    Type: Application
    Filed: June 17, 2005
    Publication date: December 21, 2006
    Inventors: Thomas Beavin, Mengchu Cai, Yao-Ching Chen, Hsiuying Cheng, Fen-Ling Lin, Irene Liu, Jerry Mukai, Demai Ni, Yoichi Tsuji, Li Xia, Ying Zeng
  • Backlight module with heat dissipation members
    Publication number: 20060262556
    Abstract: A backlight module (2) includes a light illuminating device (20), and a light guide plate (21). The light illuminating device includes a light source (201) with two light contacts (2011) at opposite ends thereof, and a pair of heat dissipation members (202) disposed at the opposite ends of the light source and engaged with the light contacts. The light guide plate (21) includes an incident side (212), wherein the light illuminating device is disposed adjacent the incident side of the light guide plate.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 23, 2006
    Inventor: Ying Zeng