This paper attempts to de ne an object-oriented database system. It describes the main features and characteristics that a system must have to qualify as an objectoriented databas...
In emerging Web2.0 applications such as virtual worlds or social networking websites, the number of users is very important (tens of thousands), hence the amount of data to manage...
Abstract. So far only few performance studies on parallel object-relational database systems are available. In particular, the relative performance of relational vs. reference-base...
We have investigated the use of an object database as a platform for storing and retrieving Standard Generalized Markup Language (SGML) documents. Qualitative studies convinced us...
Abstract. A simple model for method-based authorization is defined and an algorithm is presented for testing in compile-time whether a given database schema violates authorization...