Few methods address analysis of socio-technical system requirements. This paper describes a method for analysing dependencies between computer systems and users/stakeholders in the operational environment. Domain scenarios describing the system and its context are used to create an environment model based on the i* notation. A method is proposed to define business organisational relationships, ...

DyTR is an approach to trust that goes beyond traditional authentication-based techniques, in which the trustworthiness of entities in a system adapts over time based on system events. Using a socio-cognitive model of trust, DyTR provides an adaptive trustassessment methodology that allocates resources dynamically to an initial level of credentials, continually assesses trust, and adaptively al...

Within this paper we provide insight into how the activities associated with security verification and validation (V&V) are practiced, supported, and perceived, within software SMEs. We justify the importance of studying security V&V as a socio-technical activity and employ the Socio-Technical Interaction Network (STIN) framework when presenting the results of an industry-based empirical study....

Nowadays urban pollution exposure from road transport has become a great concern in major cities throughout the world. A modelling framework has been developed to simulate Personal Exposure Frequency Distributions (PEFDs) as a function of urban background and roadside pollutant concentrations, under different traffic conditions. In this paper, we present a technique for classifying roads, accor...

Children of low socio-economic position (SEP) consume poorer diets than those of high SEP; however, there is limited understanding of why socio-economic gradients in diet occur. Some evidence suggests that determinants of dietary intake may differ between SEP groups. The aim of the present study was to determine whether the associations between personal and environmental variables and children'...

While sex and socio-economic disparities in physical activity have been well documented, not all disadvantaged women are inactive. This study aimed to examine correlates of achieving recommended levels of physical activity among women of low socio-economic position. In 2005, a population-based sample of 291 women with low educational attainment provided survey data on leisure time physical acti...