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A Survey on Propagation Challenges in Wireless Communication Networks over Irregular Terrains 不规则地形无线通信网络传播挑战研究
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535598
Xolani B. Maxama, E. Markus
{"title":"A Survey on Propagation Challenges in Wireless Communication Networks over Irregular Terrains","authors":"Xolani B. Maxama, E. Markus","doi":"10.1109/OI.2018.8535598","DOIUrl":"https://doi.org/10.1109/OI.2018.8535598","url":null,"abstract":"Wireless communications networks experience various challenges while propagating information over irregular terrains. This paper is a survey of radio wave transmission in various propagation environments including irregular terrain detailing challenges and methods to overcome them. The study presents extensive work that has been done in the area of wireless communication in mountainous regions and how the challenge has been tackled over the years. Major research strides achieved towards solving this problem are highlighted. Furthermore, preliminary simulation results using MATLAB are presented. The study shows that technologies like Multiple In Multiple Out (MIMO) and Orthogonal Frequency Division Multiplexing (OFDM) hold a promise to mitigating losses experienced by these networks.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128767257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Generic Digital Forensic Requirements 通用数码鉴证要求
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535924
Precilla M. Dimpe, Okuthe P. Kogeda
{"title":"Generic Digital Forensic Requirements","authors":"Precilla M. Dimpe, Okuthe P. Kogeda","doi":"10.1109/OI.2018.8535924","DOIUrl":"https://doi.org/10.1109/OI.2018.8535924","url":null,"abstract":"A lot of research has been conducted with regards to digital forensic investigations. The investigation aspect has been the main focus, however, without proper and adaptable framework that can satisfy the technological evolution and changes that has made some of the existing digital forensic requirements frameworks obsolete. This study therefore, proposes the development of a standard that specifies the requirements that must be considered in an investigation. Through literature review methodology, requirements include investigation framework, skills, legal aspects and how evidence must be handled. This standard can be used as a reference point that governs how forensic investigation should be conducted. The generic digital forensic requirements developed is simple, adaptable and easy to understand.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128491588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Diffusion of Abstractive Summarisation to Improve Ease of Use and Usefulness 抽象摘要的推广以提高易用性和实用性
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535750
P. Makovhololo, F. Taylor, T. Iyamu
{"title":"Diffusion of Abstractive Summarisation to Improve Ease of Use and Usefulness","authors":"P. Makovhololo, F. Taylor, T. Iyamu","doi":"10.1109/OI.2018.8535750","DOIUrl":"https://doi.org/10.1109/OI.2018.8535750","url":null,"abstract":"Even though the abstractive summarisation method has been in existence for over four decades, its popularity, adoption and diffusion have been slow, or limited, in both business and academic domains. This has retarded advances of the innovation and hampered its potential benefits to users. Thus, this qualitative, empirical study was undertaken to examine and understand how the abstractive summarisation method can be diffused to increase its spread and usefulness across business and academic environments. The 1995 theory of Diffusion of Innovation (DOI) by Rogers was employed in the analysis of the existing works. Based on analysis, five main factors were identified as influencing the adoption of the abstractive summarisation method. The factors are complexity, practical effectiveness, experimental, shortened output and lack of friendliness. These factors were discussed towards gaining a better understanding of how the diffusion of abstractive summarisation method can be improved in both business and academic environments.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116718503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Employment Information Services Adoption of Innovations 就业信息服务创新
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535747
W. Matli, M. Ngoepe
{"title":"Employment Information Services Adoption of Innovations","authors":"W. Matli, M. Ngoepe","doi":"10.1109/OI.2018.8535747","DOIUrl":"https://doi.org/10.1109/OI.2018.8535747","url":null,"abstract":"The disruption of employment services provides new frontiers for job seekers to use, search and make work applications anytime and anywhere it suits them regardless of geographical boundaries. As a result, organisations and/or recruiters have migrated to online employment services which provide virtual access to information services. Job seekers knowledge and skills remain critical, as the increasing use of digitalised employment information services are rapidly changing from the traditional ways of how organisations make work opportunities information available to the society. Data collection and analysis was based on a review of document reviews on employment information services and job seekers as actors using such services. The focus of this article is to understand the process of how job seekers search for work and register as users on employment services settings. The findings highlight that job seekers no longer rely heavily on traditional ways of searching and making work applications such as using newspapers and other print publications to get information. Furthermore, employment information services adoption of innovation provides scholars with an opportunity to explore new phenomenology as change occurs continuously.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130343516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospective Architecture for Local Energy Generation and Distribution with Peer-to-Peer Electricity Sharing in a South African Context 南非环境中具有点对点电力共享的当地能源生产和分配的前瞻性建筑
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535971
E. A. Jordan, K. Kusakana, L. Bokopane
{"title":"Prospective Architecture for Local Energy Generation and Distribution with Peer-to-Peer Electricity Sharing in a South African Context","authors":"E. A. Jordan, K. Kusakana, L. Bokopane","doi":"10.1109/OI.2018.8535971","DOIUrl":"https://doi.org/10.1109/OI.2018.8535971","url":null,"abstract":"In this paper, we will investigate the possibility of an architecture for energy generation and distribution with peer-to-peer electricity sharing. This aims in bringing down the cost of electricity consumed from the grid by consumers and prosumers; in a South African context. In order to implement the proposed scheme, the local grid needs to be a smart grid and deregulated, which is not the case in South Africa. Deregulation will allow consumers to purchase electricity from prosumers, or from the grid. In this paper, the current state of research of peer-to-peer electricity sharing will be reviewed, and compile valuable information that may assist researchers who intend to further study the feasibility of such a scheme in the South African context.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132104042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Optimal Pump Scheduling in an Open Reservoir Water-Treatment Incorporating Evaporation and Seepage Effect 考虑蒸发和渗流效应的露天水库水处理泵的优化调度
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535643
P. B. Ngancha, K. Kusakana, E. Markus
{"title":"Optimal Pump Scheduling in an Open Reservoir Water-Treatment Incorporating Evaporation and Seepage Effect","authors":"P. B. Ngancha, K. Kusakana, E. Markus","doi":"10.1109/OI.2018.8535643","DOIUrl":"https://doi.org/10.1109/OI.2018.8535643","url":null,"abstract":"Open reservoir systems pose a number of challenges, including sedimentation and flood control. The cost of electrical energy used for pumping water from the dam to the water treatment reservoirs is becoming considerably high. This may be attributed to poor management of the current pumping models, adding to the fact that water treatment systems do experience high level of evaporation and leakages. This study proposes an optimal energy management model to control the pumping scheduling of municipal water reservoir. The aim is to secure a continuous supply of potable water to the community, while minimizing both pumping and water costs.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126680646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
In Silico Insights into the Tunable Magnetic Properties of Transition Metal Doped Monolayer SnS2 过渡金属掺杂单层SnS2可调磁性能的硅观察
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535869
Cecil N M Ouma, K. O. Obodo, M. Braun, M. Onani, F. Dejene
{"title":"In Silico Insights into the Tunable Magnetic Properties of Transition Metal Doped Monolayer SnS2","authors":"Cecil N M Ouma, K. O. Obodo, M. Braun, M. Onani, F. Dejene","doi":"10.1109/OI.2018.8535869","DOIUrl":"https://doi.org/10.1109/OI.2018.8535869","url":null,"abstract":"Recent advancements in computation hardware and software has fueled the adoption of in silico techniques, such as density functional theory (DFT), as an investigative tool in materials' science. Hence, this study employs DFT to investigate the properties of monolayer SnS2 as function of transition metal dopant atoms. The transition metal dopants considered are T1, V, Cr, Mn, Fe, Co, Ni, Cu and Zn. Only cation substitutional doping has been considered and the doping profiles investigated were single-site and multi-site cation substitutional doping. S-rich conditions were found to favor both doping profiles with Ni and Ti not inducing any magnetic moment. This study provides insights on how in silico techniques can be adopted in material's research to evaluate dopant influences on the properties of the host.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115283683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Resistive Switching Memory Effect and Conduction Mechanism in Nano-Silver Incorporated Type-A Gelatin Films 纳米银掺杂a型明胶薄膜的电阻开关记忆效应及其传导机理
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535678
S. Vallabhapurapu, S. Du, T. S. Mahule, N. Chaure, V. Srinivasu, Ashwini Roham, C. Tu, A. Srinivasan
{"title":"Resistive Switching Memory Effect and Conduction Mechanism in Nano-Silver Incorporated Type-A Gelatin Films","authors":"S. Vallabhapurapu, S. Du, T. S. Mahule, N. Chaure, V. Srinivasu, Ashwini Roham, C. Tu, A. Srinivasan","doi":"10.1109/OI.2018.8535678","DOIUrl":"https://doi.org/10.1109/OI.2018.8535678","url":null,"abstract":"This paper presents the conduction mechanisms and the observation of bipolar resistive switching in nano silver incorporated gelatin (AgG) composite films. Different concentrations of commercially purchased silver nanoparticles (0.3 w/v%, 0.5 w/v%, 0.7 w/v%) were incorporated in gelatin and AgG films were spin-coated on ITO substrates. We did systematic study of I- V characteristics in these films. The film with 0.5 w/v% exhibits an abrupt increase in current at 6 V with ON/OFF ratio of more than 3 orders of magnitude. Further, the I- V characteristics revealed O-type hysteresis behaviour along with hopping type of conduction for higher nano particle concentrations of 0.5 and 0.7w/v%. However, for much dilute concentration of Ag (0.3 w/v%), the conduction is of ohmic type","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115102545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Adoption of Cloud-Cyber Security: Challenges and Perceptions Within Resource Constrained Higher Education Institutions 采用云网络安全:资源有限的高等教育机构面临的挑战和看法
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535939
Najiyabanu Noormohmed Patala, Armstrong Kadyamatimba, Solomon Madzvamuse
{"title":"Adoption of Cloud-Cyber Security: Challenges and Perceptions Within Resource Constrained Higher Education Institutions","authors":"Najiyabanu Noormohmed Patala, Armstrong Kadyamatimba, Solomon Madzvamuse","doi":"10.1109/OI.2018.8535939","DOIUrl":"https://doi.org/10.1109/OI.2018.8535939","url":null,"abstract":"Amid various challenges of utilizing cloud computing, security has become the key concern for cloud computing adoption. Although technology is being progressively used in aiding student learning and enhancing business processes in tertiary institutions, certain security aspects are hindering the decisions of cloud usage. In this research, the challenges and perceptions of cloud-cyber security within tertiary colleges were investigated. The study used Vhembe TVET college as its case and adopted the UTAUT theory to explain these insights. A conceptual framework was developed to demonstrate the cloud-cyber security challenges and perceptions of its adoption by students in tertiary colleges. Quantitative method was used to analyze data gathered from sampled students through structured questionnaires. The results of the study can be used to clarify the security aspects of cloud computing in higher educational institutions and determine the suitability of using cloud cyber-security within the context TVET college. The findings suggested that majority of the students were keen towards adopting cloud-cyber security. The results suggested that lack of physical control of data is a key challenge of adopting cloud-cyber security.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128247807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Roles of E-Government in Healthcare from the Perspective of Structuration Theory 结构理论视角下的电子政务在医疗保健中的作用
2018 Open Innovations Conference (OI) Pub Date : 2018-10-01 DOI: 10.1109/OI.2018.8535993
Nomawethu Tungela, Maria Mutudi, T. Iyamu
{"title":"The Roles of E-Government in Healthcare from the Perspective of Structuration Theory","authors":"Nomawethu Tungela, Maria Mutudi, T. Iyamu","doi":"10.1109/OI.2018.8535993","DOIUrl":"https://doi.org/10.1109/OI.2018.8535993","url":null,"abstract":"The e-government concept and healthcare have usually been studied separately. Even when and where both e-government and healthcare systems were combined in a study, the roles of e-government in healthcare have not been examined. As a result., the complementarity of the systems poses potential challenges. The interpretive approach was applied in this study. Existing materials in the areas of healthcare and e-government were used as data from a qualitative method viewpoint. Dimension of change from the perspective of the structuration theory was employed to guide the data analysis. From the analysis., six factors were found to be the main roles of e-government in the implementation and application of e-health in the delivering of healthcare services. An understanding of the roles of e-government promotes complementarity., which enhances the healthcare service delivery to the community.","PeriodicalId":331140,"journal":{"name":"2018 Open Innovations Conference (OI)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125300523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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