Johannesburg + 1: S&T Challenges

Letter from Johannesburg.

University of Johannesburg

Keywords • Combinatorial optimisation • Compilers (Computer programs) • Scheduling The topic for this dissertation is the optimisation of computer programs, as they are being compiled, using discrete optimisation techniques. The techniques introduced aim to optimise the runtime performance of programs executing on certain types of processors. A very important component of this dissertation is t...

Sanctuary or double-edged sword? Challenges confronting adolescents living at Nkosi's Haven in Johannesburg, South Africa.

Living in an institution associated with HIV and AIDS is likely to exacerbate difficulties experienced by teenagers who have to cope with the normal stresses of adolescence. The aim of the study was to explore the challenges that adolescents living at Nkosi's Haven encounter and whether they experience any problems when interacting with their peers and other members of the community. The study ...

Paediatric liver transplantation in Johannesburg revisited: 59 transplants and challenges met.

BACKGROUND A paediatric liver transplant programme was started at the Wits Donald Gordon Medical Centre, Johannesburg, South Africa (SA), in November 2005. We reported on the first 29 patients in 2012. Since then we have performed a further 30 transplants in 28 patients, having met the major challenge of donor shortage by introducing a living related donor programme and increasing the use of sp...

1 st Reading

XML Schema matching problem can be formulated as follows: given two XML Schemas, find the best mapping between the elements and attributes of the schemas, and the 19 overall similarity between them. XML Schema matching is an important problem in data integration, schema evolution, and software reuse. This paper describes a matching 21 system that can find accurate matches and scales to large XM...