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07 September 2021 | Story Leonie Bolleurs

Two lecturers in the Department of Computer Science and Informatics at the University of the Free State (UFS) authored and presented a paper that received the best paper award at this year’s 50th Annual Conference of the Southern African Computer Lecturers’ Association (SACLA). 

SACLA is an association for academics teaching Computer Science, Information Systems, and Information Technology subjects at universities and other higher education institutions in Southern Africa. The Academy of Computer Science and Software Engineering at the University of Johannesburg hosted the conference.

Dr Pakiso Khomokhoana, Lecturer in the Department of Computer Science and Informatics, presented the paper titled Mapping the problem-solving strategies of novice programmers to Polya's framework: SWOT analysis as a bottleneck identification tool. He chose this topic because he was concerned that students (especially novices) are always encountering challenges when it comes to understanding source code and working with related problems.

Prof Liezel Nel, Associate Professor in the Department of Computer Science and Informatics, co-authored the paper with Dr Khomokhoana.

“When the time came to announce the best paper, my heart was panting, and I was thrilled to hear elements of my paper mentioned in preparation for the final announcement,” says Dr Khomokhoana, who reckons that the amount of work one puts into a paper is equivalent to the yield you receive in return.

He is convinced that one should feel the ‘pinch’ for whatever you do in life. Those who are studying can relate to nights spent toiling, headaches, and stressed muscles, with the pain only going away after reaching your goal. “One has to work hard in order to succeed in life,” he states.

He says that being recognised for this paper not only means that he can produce more acceptable research in the future; with the feedback received from reviewers, he can help other upcoming researchers by imparting to them the research skills he obtained over the years.

The UFS also presented a second paper at the conference. Mokotsolane Mase, Lecturer from the same department on the UFS Qwaqwa Campus, presented a paper co-authored by Prof Nel as well, titled: Common code writing errors made by novice programmers: Implications for the teaching of Introductory Programming.

Continuous excellence

The SACLA programme committee is committed to keeping papers earmarked for journal publication to a very high standard. “Since only the top papers are earmarked for journal publication, it was a great achievement to have both papers selected for inclusion in the 2021 publication,” says Prof Nel. 

However, the highlight of the conference for her was when the paper she co-authored with Dr Khomokhoana was recognised as the best paper. 

“What makes this achievement even more special, is that it is the second time in three years that Dr Khomokhoana and I have received this award (2019 and 2021). This is also the third time (since the inception of the ‘best paper award’ in 2014) that I have been the co-author of the best paper.”

“Being recognised at this level for our research in the field of Computer Science Education (CSE) is testament to the quality and importance of the research being conducted within the CSE research group of the UFS Department of Computer Science and Informatics,” she says. 

The way forward

Prof Nel believes in the potential of the CSE research group, and her goal for the next five years is to continue to expand the CSE research group within the department. 

“What I love most about this type of research is that it requires a close integration of the lecturing and research roles of academics. As educational researchers, we must reflect critically on our current teaching and learning practices and consider ways in which we can ultimately provide our students with the best possible learning experiences that will adequately prepare them for the world of work. Mentoring young academics who are interested in this field of research, is one of my biggest passions. By sharing our research at conferences (such as SACLA) and through publication in international journals, we contribute to the scholarship of teaching and learning on a much broader scale,” she says. 

News Archive

Water research aids decision making on national level
2015-05-25

Photo: Leonie Bolleurs

With water being a valuable and scarce resource in the central regions of South Africa, it is no wonder that the UFS has large interdisciplinary research projects focusing on the conservation of water, as well as the sustainable use of this essential element.

The hydropedology research of Prof Pieter le Roux from the Department of Soil, Crop and Climate Sciences and his team at the UFS focuses on Blue water. Blue water is of critical importance to global health as it is cleared by the soil and stored underground for slow release in marshes, rivers, and deep groundwater. The release of this water bridges the droughts between showers and rain seasons and can stretch over several months and even years. The principles established by Prof Le Roux, now finds application in ecohydrology, urban hydrology, forestry hydrology, and hydrological modelling.

The Department of Agricultural Economics is busy with three research projects for the Water Research Commission of South Africa, with an estimated total budget of R7 million. Prof Henry Jordaan from this department is conducting research on the water footprint of selected field and forage crops, and the food products derived from these crops. The aim is to assess the impact of producing the food products on the scarce freshwater resource to inform policy makers, water managers and water users towards the sustainable use of freshwater for food production.

With his research, Prof Bennie Grové, also from this department, focuses on economically optimising water and electricity use in irrigated agriculture. The first project aims to optimise the adoption of technology for irrigation practices and irrigation system should water allocations to farmers were to be decreased in a catchment because of insufficient freshwater supplies to meet the increasing demand due to the requirements of population growth, economic development and the environment.

In another project, Prof Grové aims to economically evaluate alternative electricity management strategies such as optimally designed irrigation systems and the adoption of new technology to mitigate the substantial increase in electricity costs that puts the profitability of irrigation farming under severe pressure.

Marinda Avenant and her team in the Centre for Environmental Management (CEM), has been involved in the biomonitoring of the Free State rivers, including the Caledon, Modder Riet and part of the Orange River, since 1999. Researchers from the CEM regularly measures the present state of the water quality, algae, riparian vegetation, macro-invertebrates and fish communities in these rivers in order to detect degradation in ecosystem integrity (health).

The CEM has recently completed a project where an interactive vulnerability map and screening-level monitoring protocol for assessing the potential environmental impact of unconventional gas mining by means of hydraulic fracturing was developed. These tools will aid decision making at national level by providing information on the environment’s vulnerability to unconventional gas mining.

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