Author:Sahraeian, R; Van Compernolle, D; De Wet, FebeDate:May 2014This paper demonstrates the application of Intrinsic Spectral Analysis (ISA) for low-resource Automatic Speech Recognition (ASR). State-of-the-art speech recognition systems that require large amounts of task specific training data fail to ...Read more
Author:Roux, FSDate:Jun 2011The presentation on topological charge distributions in stochastic optical fields concludes that by using a combination of speckle fields one can produce inhomogeneous vortex distributions that allow both analytical calculations and numerical ...Read more
Author:Kesavan Pillai, Sreejarani; Moloto, N; Ray, SSDate:Feb 2009The organization of metal or semiconductor nanoparticles like quantum dots (QDs) on carbon nanotubes (CNTs) is one good example motivated by the desire to combine the properties of two functional nanoscale materials to achieve a wider range ...Read more
Author:Landman, WA; DeWitt, D; Lotter, DDate:Sep 2010The predictability of South African summer rainfall is investigated using coupled ocean-atmosphere models.Read more
Author:Van Niekerk, B; Damianou, A; Rosman, Benjamin SDate:Aug 2017Applying reinforcement learning to robotic systems poses a number of challenging problems. A key requirement is the ability to handle continuous state and action spaces while remaining within a limited time and resource budget. Additionally, ...Read more
Author:Dawood, Zubeida C; Keet, CMDate:Oct 2012It has been shown that using a foundational ontology for domain ontology development is beneficial in theory and practice. However, developers have difficulty with choosing the appropriate foundational ontology, and why. In order to solve ...Read more
Author:Chan, Ka Fai P; Theron, J; Van Heerden, Renier P; Leenen, LDate:Mar 2015In modern warfare it is no longer sufficient to only focus on physical attacks and counter-measures; the threat against cyber networks is becoming increasingly significant. Modern military forces have to provide counter measures against these ...Read more
Author:Keet, CM; Khan, MT; Ghidini, CDate:Nov 2014Generic, reusable ontology elements, such as a foundational ontology's categories and part-whole relations, are essential for good and interoperable knowledge representation. Ontology developers, which include domain experts and novices, face ...Read more
Author:Moodley, D; Seebregts, CJ; Pillay, AW; Meyer, TDate:Aug 2013eHealth governance and regulation are necessary in low resource African countries to ensure effective and equitable use of health information technology and to realize national eHealth goals such as interoperability, adoption of standards and ...Read more
Author:Jafta, Y; Leenen, L; Chan, Ka Fai PDate:Jun 2020The protection and management of data, and especially personal information, is becoming an issue of critical importance in both the business environment and in general society. Various institutions have justifiable reasons to gather the ...Read more
Author:Klarman, S; Britz, KDate:Aug 2015Data-driven elicitation of ontologies from structured data is a well-recognized knowledge acquisition bottleneck. The development of efficient techniques for (semi-)automating this task is therefore practically vital - yet, hindered by the ...Read more
Author:Dawood, Zubeida C; Van 't Wout, CDate:Oct 2022Although there is an increasing amount of information for counter-terrorism operations freely available online, it is a complex process to extract relevant information and to detect useful patterns in the data in order for intelligence ...Read more
Author:Ramorulane, DaveDate:Jun 2012Open Access (OA) refers to electronic scholarly articles, books, monographs and other grey literature that is freely available. Various electronic platforms limit access to their content due to subscription costs, firewalls, and other access ...Read more
Author:Arcia-Moret, A; Sathiaseelan, A; Zennaro, M; Rondón, F; Pietrosemoli, E; Johnson, DavidDate:Aug 2016TV White Spaces have recently been proposed as an alternative to alleviate the spectrum crunch, characterised by the need to reallocate frequency bands to accommodate the ever-growing demand for wireless communications. In this paper, we ...Read more
Author:Namoshe, M; Tlale, NS; Kumile, CM; Bright, GDate:Dec 2008Despite advances in recent years, autonomous multi-robot systems remain classed as complex systems, because control and coordination of these systems remain a challenging task. Autonomous mobile robot houses heterogeneous sets of connected ...Read more
Author:Molefe, Onkgopotse M; Fogwill, TADate:May 2009Open Source communities (OSCs), sometimes referred to as virtual or online communities play a significant role in terms of the contribution they continue to make in producing user-friendly Open Source Software (OSS) solutions. Many projects ...Read more
Author:Botha, Natasha; Inglis, HDate:Sep 2018The modeling and simulation of composite materials requires the incorporation of anisotropic material models, as well as appropriate failure criteria or damage models. This was normally done by developing in-house codes or writing additional ...Read more
Author:Molefe, Onkgopotse M; Fogwill, T; Gerber, A; van der Merwe, ADate:01 Sep 2010Open source software (OSS) has gained prominence worldwide, largely due to cost savings and security considerations. This has caused a change in the IT sector and has led to the migration of desktops from proprietary to OSS. The problem for ...Read more
Author:Van Wyk, Llewellyn VDate:Mar 2008The notion of “open building” arose out of a counter movement within the Congrès Internationaux d’Architecture Moderne (CIAM) to the promotion of modern mass housing theories in post-First World War Europe. The opponents argued that the ...Read more
Author:Gush, Kim LDate:May 2018Monitoring and servicing of technologically complex rural installations poses unique challenges. This paper presents some discussion and a selection of open source tools aimed at assisting help-desk personnel in the monitoring and support of ...Read more