TY  - SER
AU  - Evrendilek, Cem [y otros]
TI  - Multidatabase query optimization
KW  - MULTIDATABASES
KW  - QUERY OPTIMIZATION
KW  - HETEROGENEITY
N1  - A multidatabase system (MDBS) allows the users to simultaneously access heterogeneous,and autonomous databases using an integrated schema and a single global query language. The query optimization problem in MDBSs is quite different from the query optimization problem in distributed homogeneous databases due to schema heterogeneity and autonomy of local database systems
ER  -