Developing Evolutionary Cost Models for Query Optimization in a Dynamic Multidatabase Environment. - Amira Rahal; Qiang Zhu 001; Per-Åke Larson (OTM, 2002)

Evolutionary techniques for updating query cost models in a dynamic multidatabase environment. - Amira Rahal; Qiang Zhu 001; Per-Åke Larson (VLDB J., 2004)