The following publications are possibly variants of this publication:
- Global Query Optimization Based on Multistate Cost Models for a Dynamic Multidatabase SystemQiang Zhu, Jaidev Haridas, Wen-Chi Hou. ICEIS 2003: 144-155
- Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase SystemsQiang Zhu, Per-Åke Larson. dpd, 6(4):373-421, 1998. [doi]
- Establishing a Fuzzy Cost Model for Query Optimization in a Multidatabase SystemQiang Zhu, Per-Åke Larson. hicss 1994: 263-272
- Query optimization in multidatabase systemsQiang Zhu. cascon 1992: 111-127 [doi]
- Cost Estimation for Queries Experiencing Multiple Contention States in Dynamic Multidatabase EnvironmentsQiang Zhu, Satyanarayana Motheramgari, Yu Sun. kais, 5(1):26-49, 2003. [doi]
- Developing Evolutionary Cost Models for Query Optimization in a Dynamic Multidatabase EnvironmentAmira Rahal, Qiang Zhu, Per-Åke Larson. coopis 2002: 1-18 [doi]