User and Entity Behaviour Analytics (UEBA) mechanisms rely on statistical techniques Machine Learning to determine when a significant deviation from patterns or trends established as standard for users entities is occurring. These are beneficial within cybersecurity contexts because they allow managers administrators have early alerts warning about potential security incidents. This paper propo...

This paper reconsiders the problem of transactional federations, more specifically the concurrency control issue, with particular consideration of component systems that provide only snapshot isolation, which is the default setting in Oracle and widely used in practice. The paper derives criteria and practical protocols for guaranteeing global serializability at the federation level. The paper ...

The F́ıschlár system provides a large centralised repository of multimedia files. As expansion is difficult in centralised systems and as different user groups have a requirement to define their own schemas, the EGTV (Efficient Global Transactions for Video) project was established to examine how the distribution of this database could be managed. The federated database approach is advocated whe...

Consideration is given to the dilemmas faced by engineers, if and when conflicts arise between the individual’s sense of social responsibility and his specific technical interests. A specialized topic included with these is the protection required for whistle-blowers. In general, it is asserted that creating a climate in which ethical behaviour may flourish should be considered as one of the mo...