COCOON and KRISYS : a survey and comparison

The design of Object Based Systems, which map object oriented , semantic or knowledge representation models to an underlying database kernel system, in order to close the gap between application and database systems, are currently considered as candidates for future database architectures. KRISYS (University of Kaiserslautern) and COCOON (ETH Zürich), as two prototype systems following this kernel architecture approach, will be compared in this report. We give an overview of the underlying models and query languages as well as their mapping approaches and their processing models, compare the corresponding features, and discuss differences in both systems