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Delightful urban ambience is an important indicator of liveability; in turn liveability is a significant aspect of sustainability. But can this quality be quantified? To the extent that ambience reflects the (measurable) configuration of urban form; it is proposed that the comparative expression of certain ambient qualities can be evaluated between areas of differing morphology. Ambience may be...

OBJECTIVE To determine whether differences in national trends in tuberculosis incidence are attributable to the variable success of control programmes or to biological, social and economic factors. METHODS We used trends in case notifications as a measure of trends in incidence in 134 countries, from 1997 to 2006, and used regression analysis to explore the associations between these trends a...

The results of a search for cool subdwarfs are presented. Kinematic (U, V, and W) and stellar parameters (Teff , log g, [Fe/H], and ξt) are derived for 134 candidate subdwarfs based on high resolution spectra. The observed stars span 4200K < Teff < 6400K and −2.70 < [Fe/H] < 0.25 including only 8 giants (log g < 4.0). Of the sample, 100 stars have MgH bands present in their spectra. The targets...

During the last two decades, the extensive utilisation of advanced Information Systems and the Internet have revolutionised the operations of the banking industry leading to vastly improved customer services, streamlined business operations and in particular profitability with reduced unit costs. On the other hand, security breaches and transaction fraud have been on the rise more recently, war...

Biometrics have the potential to solidify person-authentication by examining \unforgeable" features of individuals. This paper explores issues involved with e ective integration of biometric-enhanced authentication into computer systems and design options for addressing them. Because biometrics are not secrets, systems must not use them like passwords; otherwise, biometric-based authentication ...