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Browsing by Author "Van Zyl, TL"

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Applying sensor web strategies to big data earth observations

Author: Van Zyl, TL ; Mcferren, G Date: Jul 2013 Earth observation data and meta-data are a central concern of the earth sciences. These data are generated by a myriad of both in-situ and remote sensors. Other sources of data include computational simulations, various ex-situ sources such ... Read more
Earth observation scientific workflows in a distributed computing environment

Author: Van Zyl, TL ; McFerren, G ; Vahed, Anwar Date: Sep 2011 Geospatially Enabled Scientific Workflows offer a promising paradigm to facilitate researchers, in the earth observation domain, with many aspects of the scientific process. One such aspect is that of access to distributed earth observation ... Read more
A framework for visual analytics of spatio-temporal sensor observations from data streams

Author: Sibolla, Bolelang H ; Coetzee, S ; Van Zyl, TL Date: Dec 2018 Sensor networks generate substantial amounts of frequently updated, highly dynamic data that are transmitted as packets in a data stream. The high frequency and continuous unbound nature of data streams leads to challenges when deriving ... Read more
HiTempo: a platform for time-series analysis of remote-sensing satellite data in a high-performance computing environment

Author: Van den Bergh, F ; Wessels, Konrad J ; Miteff, S ; Van Zyl, TL ; Gazendam, AD ; Bachoo, AK Date: Aug 2012 Course resolution earth observation satellites offer large data sets with daily observations at global scales. These data sets represent a rich resource that, because of the high acquisition rate, allows the application of time-series analysis ... Read more
Implementation of resource-negotiating agents in telemanufacturing

Author: Van Zyl, TL ; Ehlers, EM ; Marais, E Date: 2010 The paper reports on the original concept of introducing Resource-Negotiating (RN) agents into telemanufacturing. Human users submit a design file that they want manufactured. The machine that will be selected to manufacture the design file ... Read more
IT infrastructure enabling open access for flood risk preparedness in South Africa

Author: Van Zyl, TL ; Parbhoo, C ; Moodley, D ; Cwela, B ; Umuhoza, D ; Shabangu, P ; Vahed, Anwar Date: May 2009 The paper focuses on the information technology infrastructure required for the evaluation and monitoring of risk relating to floods in South Africa. It may be argued that in the context of developing countries, flood preparedness is more ... Read more
Self-organising sensor web using cell-fate optimisation

Author: Van Zyl, TL ; Ehlers, EM Date: Jul 2009 The Sensor Web as an open complex adaptive system exhibits many characteristics that are common to self organising systems. One of the characteristics of the Sensor Web is that of self-adaptivity in a changing environment. The changing ... Read more
Signal-regulated systems and networks

Author: Van Zyl, TL ; Ehlers, EM Date: Jul 2010 The article presents the use of signal regulatory networks (SRNs), a biologically inspired model based on gene regulatory networks. SRNs are a way of understanding a class of self-organizing IT systems, signal-regulated systems (SRSs). This ... Read more
Using SensorML to describe scientific workflows in distributed web service environments

Author: Van Zyl, TL ; Vahed, Anwar ; Mcferren, GA ; Shabangu, P ; Cwele, B Date: Jul 2009 Scientific Workflows provides a technology that facilitates researchers by allowing them to capture in a machine processable manner the method relating to some research. This increases both provenance and repeatability of the research and ... Read more
Using SensorML to describe scientific workflows in distributed web service environments

Author: Van Zyl, TL ; Vahed, Anwar ; Mcferren, GA ; Shabangu, P ; Cwele, B Date: Jul 2009 Scientific Workflows provides a technology that facilitates researchers by allowing them to capture in a machine processable manner the method relating to some research. This increases both provenance and repeatability of the research and ... Read more

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Browsing by Author "Van Zyl, TL"

Browsing by Author "Van Zyl, TL"

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