In this paper, we introduce and describe directed dependency graph-based transaction and concurrency control (DCC) for persistent (stable, single-level) object-based bulk data man...
Beluga is an environment for programming and reasoning about formal systems given by axioms and inference rules. It implements the logical framework LF for specifying and prototypi...
Complexity arises from many sources – both within and outwith the system. Internal sources include modern hardware, e.g. super-scalar processors, and external sources include th...
A key difficulty in the maintenance and evolution of complex software systems is to recognize and understand the implicit dependencies that define contracts that must be respecte...
Using ubiquitous devices such as multifunctional cellular phones and PDAs, we can build a large-scale navigation system for evacuation in the metropolis. Although current navigati...