Inventor
LIU CHANG SHENG
CN9 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHANG SHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
8 patentsUS11354312B2Jun 7, 2022
Access-plan-based querying for federated database-management systems
IBM1 citations56
US11893015B2Feb 6, 2024
Optimizing query performance in virtual database
IBM1 citations53
US12222942B2Feb 11, 2025
Remote datasource-based optimization of procedure-based multi-datasource queries
IBM0 citations48
US11681709B2Jun 20, 2023
Joining remote tables by a federated server
IBM0 citations48
US12554713B1Feb 17, 2026
Optimizing query execution in a data virtualization system
IBM0 citations47
US12197440B2Jan 14, 2025
Database query performance improvement
IBM0 citations47
US11797561B2Oct 24, 2023
Reducing character set conversion
IBM0 citations44
US12271379B2Apr 8, 2025
Cross-database join query
IBM0 citations41