Patents by Inventor Sriram Raghavan

Sriram Raghavan 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).

  • System and method for ensuring referential integrity for heterogeneously scoped references in an information management system
    Patent number: 7080085
    Abstract: A system and method are provided for an information management system (IMS) to manage heterogenous references in the system, to ensure “referential integrity”, without changing the underlying relational database management system (RDBMS) of the IMS. One or more system tables are kept that are not visible to system users. In one embodiment, the RDBMS' mechanisms to ensure referential integrity for homogenous references is used in conjunction with the system table to extend referential integrity to heterogenous references. In another embodiment, the triggers of the RDBMS, in conjunction with the system table, are used to ensure referential integrity of heterogenous references.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: July 18, 2006
    Assignee: International Business Machines Corporation
    Inventors: David Mun-Hien Choy, Sriram Raghavan