Irene C. Liu

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Masking sensitive data of table columns retrieved from a database
- Patent number 8,983,985
- Issue date Mar 17, 2015
- International Business Machines Corporation
- Stephen Yao Ching Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Query transformation for masking data within database objects
- Patent number 8,930,410
- Issue date Jan 6, 2015
- International Business Machines Corporation
- Eric L. Alton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Managing materialized query tables (MQTS) over fine-grained access...
- Patent number 8,515,948
- Issue date Aug 20, 2013
- International Business Machines Corporation
- Yao-Ching S. Chen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Query Transformation for Masking Data Within Database Objects
- Publication number 20130086088
- Publication date Apr 4, 2013
- International Business Machines Corporation
- Eric L. Alton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGING MATERIALIZED QUERY TABLES (MQTS) OVER FINE-GRAINED ACCESS...
- Publication number 20120233148
- Publication date Sep 13, 2012
- International Business Machines Corporation
- Yao-Ching S. CHEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Cost-based subquery correlation and decorrelation
- Publication number 20060287979
- Publication date Dec 21, 2006
- Thomas Abel Beavin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Streaming XPath algorithm for XPath value index key generation
- Publication number 20060106758
- Publication date May 18, 2006
- Yao-Ching Stephen Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Efficient heuristic approach in selection of materialized views whe...
- Publication number 20050114307
- Publication date May 26, 2005
- Ruiping Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Materialized view signature and efficient identification of materia...
- Publication number 20040122804
- Publication date Jun 24, 2004
- Guogen Zhang
- G06 - COMPUTING CALCULATING COUNTING