Cong Yu

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Sequential composition of schema mappings
- Patent number 7,689,581
- Issue date Mar 30, 2010
- International Business Machines Corporation
- Ronald Fagin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Constraint-based XML query rewriting for data integration
- Patent number 7,596,559
- Issue date Sep 29, 2009
- International Business Machines Corporation
- Lucian Popa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Sequential composition of schema mappings
- Publication number 20070168381
- Publication date Jul 19, 2007
- International Business Machines Corporation
- Ronald Fagin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Constraint-based XML query rewriting for data integration
- Publication number 20060101073
- Publication date May 11, 2006
- International Business Machines Corporation
- Lucian Popa
- G06 - COMPUTING CALCULATING COUNTING