This doctoral dissertation discusses access to film and video works. Physical and intellectual access to moving image documents is insufficient, often insignificant, at the level of the individual user. Existing access tools suffer from a lack of recognition of the differences between linguistic text communication and image communication. Browsing and relevance judgements are made difficult by the physical realities of film and video documents - one cannot flip through them - and by the habits of serial and passive viewing.

This doctoral dissertation is about collection-level subject access in aggregations of digital collections. The author discusses metadata richness and user interaction.

This doctoral dissertation discusses music criticism in the New York Times and the New York Tribune from 1851-1876.

This doctoral dissertation discusses secure execution environments through reconfigurable lightweight cryptographic components. The author considers the four most important dimensions of software protection.

This doctoral dissertation applies user experience and complex systems theory, combining eye-tracking data with verbal and observational data from user test instances, to study the effectiveness of metadata records that accompany digital primary source objects available on The Portal to Texas History.