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Browsing by Author "Pretorius, L"

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Establishing a methodology to develop complex sociotechnical systems

Author: Oosthuizen, Rudolph ; Pretorius, L Date: Feb 2013 Many modern management systems, such as military command and control, tend to be large and highly interconnected sociotechnical systems operating in a complex environment. Successful development, assessment and implementation of these systems ... Read more
An evaluation of eHealth systems implementation frameworks for sustainability in resource constrained environment: A literature review

Author: Fanta, GB ; Pretorius, L ; Erasmus, Louwrence D Date: Jun 2015 The burden of disease is higher by far in developing countries than in the developed world. Although significant progress has been made towards health related Millennium Development Goals (MDGs) in the past years, developing countries still ... Read more
Exploiting a multilingual semantic Machine translation architecture for knowledge representation of patient information for Covid-19

Author: Marais, Laurette ; Pretorius, L Date: Feb 2021 AwezaMed Covid-19 is a multilingual speech-to-speech translation application for screening patients for Covid-19. It enables Englishspeaking health care providers (HCPs) to conduct screenings by asking questions to patients in all other ... Read more
Exploiting cross-linguistic similarities in Zulu and Xhosa computational morphology

Author: Pretorius, L ; Bosch, S Date: Mar 2009 This paper investigates the possibilities that cross-linguistic similarities and dissimilarities between related languages offer in terms of bootstrapping a morphological analyser. In this case an existing Zulu morphological analyser prototype ... Read more
Extending the usage of adjectives in the Zulu AfWN

Author: Marais, Laurette ; Pretorius, L Date: Jan 2023 The African languages Wordnet (AfWN) for Zulu (ZWN) was built using the expand approach, which relies on the translation of concepts in the Princeton WordNet (PWN), while retaining their PWN lexical categories. In this paper the focus is on ... Read more
Framework to investigate emergence in system engineering

Author: Oosthuizen, Rudolph ; Roodt, JH ; Pretorius, L Date: Sep 2011 System Engineering is the process of identifying, implementing and maintaining solutions to real world problems. Some problems tend to be messy with no single solution or set of effective and accurate requirements, often resulting in ... Read more
A GF miniature resource grammar for Tswana: modelling the proper verb

Author: Pretorius, L ; Marais, Laurette ; Berg, A Date: Mar 2017 The Grammatical Framework (GF) not only offers state of the art grammar-based machine translation support between an increasing number of languages through its so-called Resource Grammar Library, but is also fast becoming a de facto framework ... Read more
Impact of intellectual property rights from publicly financed research and development on research alliance governance mode decisions

Author: Staphorst, L ; Holland, M ; Pretorius, L ; Pretorius, T Date: Jun 2015 Recently, demands to generate more economic benefit from publicly financed Research and Development (R&D) in South African has resulted in the enactment of the Technology Innovation Agency (TIA) and the Intellectual Property Rights from ... Read more
An initial bibliometric analysis and mapping of systems engineering research

Author: Oosthuizen, Rudolph ; Swart, Ignatius ; Pretorius, L Date: Jul 2016 Systems engineering is still a growing field that depends on continuous research to develop and mature. Research in systems engineering is difficult and the classic approaches for other engineering disciplines may not be sufficient. Additional ... Read more
Integration of SNOMED CT into the OpenMRS electronic medical record system framework

Author: Gerber, A ; Meyer, T ; Seebregts, C ; Britz, A ; Pretorius, L ; Alberts, R ; Moodley, D ; Halland, K Date: Nov 2008 Integrating a mechanism to store, retrieve and use clinical data with a system to manage medical records enables better utilisation of medical data and improved healthcare. This poster introduces a research project that aims to extend OpenMRS ... Read more
iSemServ: A model-driven approach to developing semantic web services

Author: Mtsweni, Jabu S ; Biermann, E ; Pretorius, L Date: Jul 2014 The benefits of incorporating Semantic Web Services in web applications are well documented. However, both the real-world implementation and adoption of these services are still rather limited in practice. This is despite the promises that ... Read more
Modelling methodology for engineering of complex sociotechnical systems

Author: Oosthuizen, Rudolph ; Pretorius, L Date: Oct 2014 Different systems engineering techniques and approaches are applied to design and develop complex sociotechnical systems for complex problems. In a complex sociotechnical system cognitive and social humans use information technology to make ... Read more
Modelling of command and control agility

Author: Oosthuizen, Rudolph ; Pretorius, L Date: Jun 2014 Different systems engineering techniques and approaches are applied to design and develop Command and Control solutions for complex problems. Command and Control is a complex sociotechnical system where human commanders make sense of a situation ... Read more
Modelling the impact of technology on anti poaching command and control systems

Author: Oosthuizen, Rudolph ; Pretorius, L Date: Jun 2015 Introducing a new technology into a complex sociotechnical system will have planned as well as unplanned impact. The need for a new technology may arise from new technology available for improved performance (technology push) or changes in ... Read more
Multimodal, multilingual dynamic stories for literacy development and language learning

Author: Marais, Laurette ; Wilken, Ilana ; Pretorius, L ; Posthumus, L Date: Jul 2023 © 2023 Copyright held by the owner/author(s). Paper presented at the 5th International Conference on Conversational User Interfaces, Eindhoven, The Netherlands, 19-21 July 2023 Read more
Parsing IsiZulu text using grammatical framework

Author: Marais, Laurette ; Pretorius, L Date: Jul 2023 While Grammatical Framework (GF) resource grammars are primarily intended as linguistic software libraries, they can also be employed to enable syntax parsing via the GF runtime system. The isiZulu resource grammar (ZRG) in conjunction with ... Read more
Precise machine translation of computer science study

Author: Marais, L ; Pretorius, L Date: Jul 2015 Higher education in South Africa is, amongst others, characterised by student language diversity while the language of teaching and learning is mainly English. The University of South Africa has a language policy that is based on the notion ... Read more
Setswana tokenisation and computational verb morphology: facing the challenge of a disjunctive orthography

Author: Pretorius, R ; Berg, A ; Pretorius, L ; Viljoen, B Date: Mar 2009 Setswana, a Bantu language in the Sotho group, is one of the eleven official languages of South Africa. The language is characterised by a disjunctive orthography, mainly affecting the important word category of verbs. In particular, verbal ... Read more
The Speect text-to-speech system entry for the Blizzard Challenge 2013

Author: Louw, Johannes A ; Schlunz, Georg I ; Van der Walt, W ; De Wet, Febe ; Pretorius, L Date: Sep 2013 This paper describes the speect text-to-speech system entry for the Blizzard Challenge 2013. The techniques applied for the tasks of the challenge are described as well as the implementation details for the alignment of the audio books and ... Read more
Structural equation modelling based data fusion for technology forecasting: A generic framework

Author: Staphorst, L ; Pretorius, L ; Pretorius, T Date: Jul 2013 Technology Intelligence (TI) involves the process of capturing technology related data, converting this data into information by determining relational connections and refining information to produce knowledge that can guide strategic decision ... Read more

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