------------------------------------------------------ABSTRACT---------------------------------------------------Foundation and retaining wall failures account for the highest case of structural failures. This is a report on a study of underpinning methods used in the construction industry in Nigeria. In view of the fact that underpinning, just like most engineering decisions, there is no uniqu...

Episodic memory is the memory for our personal past experiences. Although numerous functional magnetic resonance imaging (fMRI) studies investigating its neural basis have revealed a consistent and distributed network of associated brain regions, surprisingly little is known about the contributions individual brain areas make to the recollective experience. In this thesis I address this fundame...

This paper mirrors an invited talk to ISCISC 2011. It is not a conventional paper so much as an essay summarizing thoughts on a little-talked-about subject. My goal is to intermix some introspection about definitions with examples of them, these examples drawn mostly from cryptography. Underpinning our discussion are two themes. The first is that definitions are constructed. They are i...