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CSIR information services: Recent submissions

  • Patterton, Louise H; Bothma, TJD; Van Deventer, MJ (Stellenbosch University Library and Information Service, 2018-12)
    Research data management (RDM) and its accompanying services and infrastructures are predominantly still in a state of infancy in many African countries and little is known about the RDM habits of the researchers from these ...
  • Daykin, JW; Groult, R; Guesnet, G; Lecroq, T; Lefebvre, A; Léonard, L; Mouchard, L; Prieur-Gaston, E; Watson, Bruce (Prague Stringology Club, 2018-08)
    Online exact string matching consists in locating all the occurrences of a pattern in a text where only the pattern can be preprocessed. Classical online exact string matching algorithms scan the text from start to end ...
  • Berglund, Martin; Bester, W; van der Merwe, B (Springer Cham, 2018-10)
    Whereas Perl-compatible regular expression matchers typically exhibit some variation of leftmost-greedy semantics, those conforming to the posix standard are prescribed leftmost-longest semantics. However, the posix standard ...
  • Price, Catherine S; Moodley, Deshendran; Pillay, Anban W (Association for Computing Machinery, Inc., 2018-09)
    Sugarcane growers usually burn their cane to facilitate its harvesting and transportation. Cane quality tends to deteriorate after burning, so it must be delivered as soon as possible to the mill for processing. This ...
  • Harmse, H; Britz, K; Gerber, A (Springer, 2018-10)
    A challenge in ontology engineering is the mismatch in expertise between the ontology engineer and domain expert, which often leads to important constraints not being specified. Domain experts often only focus on specifying ...
  • Britz, Katarina; Varzinczak, Ivan J (Springer, 2018-04)
    Description logics have been extended in a number of ways to support defeasible reasoning in the KLM tradition. Such features include preferential or rational defeasible concept subsumption, and defeasible roles in complex ...
  • Engelbrecht, Louis; Featherstone, Coral; Matyila, Pule M; Du Toit, Kirsten; Fogwill, Thomas A; Alberts, Ronell (IEEE, 2018-05)
    Annual R&D surveys are conducted by the South African Centre for Science, Technology and Innovation Indicators (CeSTII). To improve the current system supporting their business processes for the completion of surveys, the ...
  • Casini, G; Meyer, T; Varzinczak, I (2018-10)
    In this paper we present what we believe to be the first systematic approach for extending the framework for defeasible entailment first presented by Kraus, Lehmann, and Magidor—the so-called KLM approach. Drawing on the ...
  • Leenen, Louise; Meyer, T (IGI Global, 2018-01)
    The Governments, military forces and other organisations responsible for cybersecurity deal with vast amounts of data that has to be understood in order to lead to intelligent decision making. Due to the vast amounts of ...
  • Botha, L; Meyer, Thomas; Penaloza, R (2018-10)
    Description Logics (DLs) that support uncertainty are not as well studied as their crisp alternatives, thereby limiting their use in real world domains. The Bayesian DL BEL and its extensions have been introduced to deal ...
  • Britz, K; Varzinczak, I (Springer, 2018-06)
    Modal accounts of normality in non-monotonic reasoning traditionally have an underlying semantics based on a notion of preference amongst worlds. In this paper, we motivate and investigate an alternative semantics, based ...
  • Berglund, Martin; Drewes, F; Van der Merwe, B (Institut für Informatik, 2018-04)
    The output size problem, for a string-to-tree transducer, is to determine the asymptotic behavior of the function describing the maximum size of output trees, with respect to the length of input strings. We show that the ...
  • Britz, K; Varzinczak, I (Taylor & Francis, 2018-03)
    We investigate an aspect of defeasibility that has somewhat been overlooked by the nonmonotonic reasoning community, namely that of defeasible modes of reasoning. These aim to formalise defeasibility of the traditional ...
  • Casini, G; Ferme, E; Meyer, T; Varzinczak, I (AAAI, 2018-10)
    Belief change and non-monotonic reasoning are usually viewed as two sides of the same coin, with results showing that one can formally be defined in terms of the other. In this paper we investigate the integration of the ...
  • Harmse, Henriette; Britz, Katarina; Gerber, Aurona J (IOS Press, 2018-09)
    The W3C standardized Semantic Web languages enable users to capture data without a schema in a manner which is intuitive to them. The challenge is that, for the data to be useful, it should be possible to query the data ...
  • Berndt, Joshua; Fischer, Bernd; Britz, Arina (HAL, 2018-10)
    Semi-structured data sets such as product reviews or event log data are simultaneously becoming more widely used and growing ever larger. This paper describes ConceptCloud, a flexible interactive browser for semi-structured ...
  • Pretorius, Arnu; Kroon, Steve; Kamper, Herman (2018-07)
    Denoising autoencoders (DAEs) have proven useful for unsupervised representation learning, but a thorough theoretical understanding is still lacking of how the input noise influences learning. Here we develop theory for ...
  • Maponya, Goodhope S (DST and CSIR, 2018-10)
    Local government is the third sphere of government closest to the people and a tier through which basic services are delivered and its citizens' interests are represented. However, it has become a common occurrence across ...
  • Dzivhani, Mulalo; Ngwenya, D; Masonta, Moshe T; Ouahada, K (IEEE, 2018-08)
    The network side of Transmission Control Protocol (TCP) congestion control is normally considered a black-box in performance analysis. However, the overall performance of TCP/IP networks is affected by selection of congestion ...
  • Cooper, Antony K; Coetzee, S; Kourie, DG (Copernicus Publications, 2018)
    The terms user-generated content, volunteered geographical information, crowdsourcing, citizen science and neogeography are elucidated. The purpose is to expose the range of meanings associated with these terms, and to ...

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