Abstract. We argue that adaptability and extensibility can be guaranteed by the utilization of the concepts meta-modeling, formation of concepts and reflection, which require the u...
Stefan Jablonski, Ilia Petrov, Christian Meiler, U...
: International e-government implies cross-national coupling of administrative systems. As administrative concepts and classifications reflect social and cultural differences, inte...
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical an...
—Data compression techniques such as null suppression and dictionary compression are commonly used in today’s database systems. In order to effectively leverage compression, it...
Stratos Idreos, Raghav Kaushik, Vivek R. Narasayya...
Cloud enabled systems have become a crucial component to efficiently process and analyze massive amounts of data. One of the key data processing and analysis operations is the Sim...