Patents by Inventor Feng Juan Wang

Feng Juan Wang 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).

  • Publication number: 20110106789
    Abstract: A database system and a method of optimizing cross-database query. The database system includes a plurality of databases. At least two of the databases are stored with one or more data collections composed of tables with the same structure. A federated view of the data collection is created on each of the databases. A request routing layer for routing, in response to a query request crossing the data collections, the query request crossing the data collections to one of the at least two databases according to a predetermined routing rule, so as to query by using the federated view of the database.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 5, 2011
    Applicant: International Business Machines Corporation
    Inventors: Bo Gao, Chang Jie Guo, Zhong Bo Jiang, Wei Sun, Kai Tang, Feng Juan Wang