Research Articles (CSS)

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A closer look on conceptual modeling of trust to develop trustman system
(International Journal of Computer Science, 2011) Msanjila, Simon Samwel
Designing comprehensive trust models and mechanisms to address challenges related to mediating business oriented collaboration among organizations has become a fundamental focus of research on trust and particularly those focused on organizational Trust Management (TrustMan) Systems. Despite recent achievements from research addressing the modeling of trust, there are still insufficient generic and customizable models, mechanisms and tools to support emerging requirements on inter-organizational trust analysis. Most available model solutions supporting trust analysis are limited to: a specific application case (e.g. multi-agent systems), known actors (organizations or individuals), or domain of study (e.g. health domain). These solutions are also limited to some specific set of trust criteria applied to their development such as a small set of trust criteria for analysis of rational trust in organization. In this article we advocate that a large number of elements must be properly specified and modeled to comprehensively cover the trust objectives of organizations towards developing a supportive TrustMan system. This article analyzes and proposes three specific modeling formalisms that best represent trust relationships among organizations and presents some examples for those formalisms. It also analyzes classes of models of inter-organizational trust, namely: hard models, soft models and semi-soft models.
A closer look on conceptual modeling of trust to develop trustMan system
(www.IJCSI.org, 2011) Msanjila, Simon Samwel
Designing comprehensive trust models and mechanisms to address challenges related to mediating business oriented collaboration among organizations has become a fundamental focus of research on trust and particularly those focused on organizational Trust Management (TrustMan) Systems. Despite recent achievements from research addressing the modeling of trust, there are still insufficient generic and customizable models, mechanisms and tools to support emerging requirements on inter-organizational trust analysis. Most available model solutions supporting trust analysis are limited to: a specific application case (e.g. multi-agent systems), known actors (organizations or individuals), or domain of study (e.g. health domain). These solutions are also limited to some specific set of trust criteria applied to their development such as a small set of trust criteria for analysis of rational trust in organization. In this article we advocate that a large number of elements must be properly specified and modeled to comprehensively cover the trust objectives of organizations towards developing a supportive TrustMan system. This article analyzes and proposes three specific modeling formalisms that best represent trust relationships among organizations and presents some examples for those formalisms. It also analyzes classes of models of inter-organizational trust, namely: hard models, soft models and semi-soft models
A Decision supporting algorithm for improving sunflower production amidst changing weather in the singida region, Tanzania
(East African Journal of Science, Technology and Innovation, 2024) Kisanjara, Simeo; Matimbwa, Hadija
Recent drastic weather shifts driven by global warming have adversely affected African agriculture, culminating in low crop yields. The purpose of this study is to design decision support algorithms (DSA) that will aid sunflower farmers in the Singida Region in managing the risks associated with weather variations and consequently improve crop yields. A total of 80 respondents, including meteorologists, agricultural extension officers (AEOs), and farmers with feature and smart phones, contributed to the study's designedand empirical validation of the algorithm. The study designed and validated the DSA that assist sunflower growers in the Singida region in making informed decisions to improve productivity amidst adverse weather changes. As revealed, farmerswho use both smartphones and feature phones are extremely satisfied with the DSA functions. The decision support algorithm designedin this study integrates smart and feature phone elements that were overlooked in comparable, prior systems and algorithms.Farmers that grow other crops that behave similarly to sunflower in areas with characteristicscomparable to the Singida region will find the study's designedand validated algorithm helpful. In order to assist sunflower farmers in making decisions, theDSA interprets and processes data on a predetermined set of daily activities. In order to advance the use of ICT applications in farming activities, the study's findings took into consideration farmers who used feature phones with SMS-based notifications and those who used smartphones. The existing systems mostly concentrated on integrating web-based systems through mobile phones, which is dependent only on internet connectivity being available. Moreover, the use of web-based systems via mobile phones only results in restricted coverage and is out of reach for many farmers. Thus, the innovative element that emphasizes the study's contribution to the field in Tanzania's rural areas is the integration of feature and smart phone.IntroductionAgricultural production in Africa is significantly impacted by adverse weather shifts owing to variability (Stevanovi’c et al.,2016). The continent’svulnerability is attributable to severalchallenges, including extreme poverty, limitedemployment opportunities, and a lack of Keywords:ICTs; Decision Support Algorithm; Smart-feature phone; weather changes; Agriculture;Sunflower Productivity Cite as,Kisanjara and Matimbwa,(2024). A Decision supporting algorithm for improving sunflower production amidst changing weather in the singidaregion, Tanzania.East African Journal of Science, Technology and Innovation 5(2).Received: 02/01/24Accepted: 05/03/24Published: 28/03/24EISSN: 2707-0425
Adoption and use of Elearning in Tanzanian higher learning institutions: A structural equation model
(International Journal of Education & Development using Information & Communication Technology, 2023) Kisanjara, Simeo
Many higher learning Institutions (HLIs) in underdeveloped nations, especially in Tanzania, are not moving quickly enough to embrace eLearning. This study seeks to design a model for enhanced adoption and use of eLearning at Tanzanian higher learning Institutions. A quantitative cross-section survey design was used for data collection. Data were examined using SEM under AMOS software. The results showed that the level of eLearning adoption and use was significantly influenced by technological, user, pedagogical, social, and environmental factors. Based on this paper, policymakers and other stakeholders should embrace this model to give enough support for the adoption of eLearning and to enhance the performance in teaching and learning. To develop an appropriate, successful, effective, and long-lasting eLearning environment, decision makers can have a clear image of how to implement an appealing, conducive, and positive meaningful learning environment. As a result, the paper adds to the body of knowledge the factors (such as social, environmental, and human ones) that significantly affect the adoption of eLearning in Tanzania's HLIs. In addition, a model for the adoption and use of successful and improved eLearning in Tanzanian's HLIs and other countries with comparable features was developed and validated in the paper.
An integrated model for measuring the impacts of e-learning on students’ achievement in developing countries
(Open Campus, The University of the West Indies, West Indies, 2017) Kisanjara, Simeo; Tossy, Titus; Sife, Alfred; Msanjila, Simon
Information and Communication Technologies have influenced the landscape of education sector by changing the way various education activities are being conducted. From the perspectives of Tanzania, this paper provides an integrated model for measuring the impact of e-learning on students’ achievements in universities. A Mixed method research methodology involving survey questionnaires and interviews was employed in the collection of quantitative and qualitative data respectively for building the integrated model. Confirmatory factor analysis was used to evaluate the construct validity and internal reliability. Multiple regressions technique was used to analyse the hypothesised relationships conceptualised in the research model. The model was built and validated using structural equation modeling and Delphi technique respectively. Indicators such as student engagement, student cognitive, performance expectancy, students’ control, student satisfaction, continue using, student enjoyment, students’ self-esteem, students’ confidence on e-learning system have positive significance relationship with students’ achievement. The integrated model has the potential to policy makers, universities and other stakeholder to understand the impacts of e-learning after implementation in order to justify the total investment based on that technology. The novelty of this research lies in the extension of the findings in literature with new integrated variables including frequency use and intention to use e-learning.
Antecedents of continued usage intentions of web-based learning management system in Tanzania
(Education + Training, 2015) Komba Mercy; Tandi Luoga
Purpose – The purpose of this paper is to examine factors that predict students’ continued usage intention of web-based learning management systems (LMS) in Tanzania, with a specific focus on the School of Business of Mzumbe University. Specifically, the study investigated major predictors of actual usage and continued usage intentions of e-learning system, and challenges of using the e-learning system. Design/methodology/approach – Data were collected through a questionnaire survey of 300 third year undergraduate students, with a rate of return of 77 per cent. A total of 20 faculty members were also interviewed. The unified theory of acceptance and use of technology (UTAUT) was utilized in the study. Findings – The results show that actual usage was determined by self-efficacy, while continued usage intentions of web-based learning system was predicted by performance expectancy, effort expectancy, social influence, self-efficacy, and actual usage. Challenges for using web-based LMS were related to information and communications technology (ICT) infrastructure barrier, LMS user interface was not user friendly, weak ICT policies, management and technical support, limited skills, lack of awareness, resistance to change, and lack of time to prepare e-content and use the e-learning system. Practical implications – The study findings are useful to e-learning managers and university management to identify important factors and develop appropriate policies and strategies to encourage long-term usage of e-learning systems for future studies and lifelong learning. Originality/value – By using UTAUT in the context of continued usage intentions and the integration of an additional construct (“self-efficacy”), the extended UTAUT model fits very well in the web-based learning systems in Tanzania, in particular where such studies are scant. The findings can be used in other institutions with similar conditions in investigating the continued usage intentions of e-learning systems.
Behavioral factors influencing partner trust in logistics collaboration: a review
(Springer Berlin Heidelberg, 2016) Daudi, Morice; Hauge, Jannicke; Thoben, Klaus-Dieter
Logistics collaboration has emerged a prevalent strategy to mitigate challenge individuals and organizations encounter. A successful collaboration, however, depends on certain trustworthy behaviors partner exhibit. To that end, understanding aspects constituting behavioral uncertainty and mechanisms by which such aspects affect partner trust is a necessary. This necessity counts on emergent behavioral trust uncertainties, constituted by partner’s actions and interactions occurring during collaboration. While this is a necessary requirement, most of the studies in the literature lack to take into account the influence of behavioral uncertainty on collaboration and partner trust. To that effect, this paper uncovers outlined limitation by establishing behavioral factors influencing partner trust in operational stage of logistics collaboration. To accomplish this objective, a systematic literature review (SLR) is deployed to consolidate research domains of logistics, supply chain, collaboration, and trust. SLR proceeds by defining a review protocol, followed by a search process conducted in 5 databases using 20 search terms on articles published between 2001 and 2015 inclusively. Among findings this SLR has revealed are four behavioral factors and thirteen criteria proposed to affect partner trust. Additionally, these factors constitute success and measurable criteria needed for empirical investigation which may employ experimental and/or case-study methods. Moreover, synthesized factors extend further an understanding of behavioral trust in ad hoc collaborative networks, a large part of which being supported by networks of humans and computers.
Collaborating partnerships: A project-based legitimizing strategy amongst East African E-Learning providers
(IGI Global, 2017) Tossy, Titus; Brown, Irwin
This chapter examines the phenomenon of e-learning in East Africa. The classic grounded theory methodology was used to carry out the study. Through multiple encounters with 24 e-learning providers, the investigation revealed legitimizing of e-learning projects to be a significant issue for these providers. Developing collaborating partnerships was a key strategy used by the providers to legitimize e-learning projects. The study identified two types of collaborating partnerships: Asymmetrical and Reciprocal. These findings are positioned within literature to highlight the contribution that this paper makes to the discourse on e-learning projects in developing countries.
Creating new actors and partnerships: Case of Tanzania
(Aalborg University, 2017) Turcan, Romeo V.; Kwayu, Aikande; Tossy, Titus; Fraser, Norman; Nandonde, Felix
The purpose of this working paper is to highlight issues and challenges of starting up new sectors in emerging economies and of identifying and channeling appropriate support from development organizations. Although being addressed within the context of Tanzania, these issues and challenges are generic and ubiquitous throughout emerging economies and troublesome for development organizations. Hence another aim is to share these with a wider audience and stimulate a discussion among researchers, policy makers and support providers. The paper is an excerpt from a project application developed by a University from Denmark in cooperation with academic and business partners from Tanzania and submitted for funding to a development organization.
Diversity in employment of electric commercial vehicles in urban freight transport: A literature review
(Bremen: Bundesvereinigung Logistik (BVL), 2018) Wang, Molin; Thoben, Klaus-Dieter; Bernardo, Marcella; Daudi, Morice
Employment of Electric Commercial Vehicles (ECVs) constitutes measures to achieve sustainable Urban Freight Transport (UFT). Despite a critical need for ECVs, in industry, the market penetration of ECVs in UFT has remained relatively low. To increase such market penetration, one crucial issue to consider is to obtain a satisfactory match between characteristics of ECVs and requirements of UFT. However, matching diverse types of ECVs and various delivery tasks in UFT leads to many possibilities. The present paper refers to such possibilities as diversity and denotes them as ECV-UFT combinations. Potentials inherent in this diversity seem ignored by the majority of the literature. Therefore, the present paper explores the significance of studying such diversity for the market penetration. In particular, the paper identifies the primary areas of focus and the extent of the diversity already considered in the literature. To accomplish this identification, a Systematic Literature Review (SLR) is applied. The SLR follows a sequence of activities, including selecting sources and keywords, as well as classifying and summarizing results. Findings unveil that the literature has primarily focused on issues concerning the feasibility of ECVs, the adaptation of logistics and vehicle concepts, and support of stakeholders. Furthermore, little consideration of the diversity in the employment of ECVs in UFT is observed as a consequence accounting for the low market penetration. Finally, building on the diversity to increase market penetration, the paper proposes to extend ECV-UFT combinations in the outlined primary areas of focus as future research work.
Doing classic grounded theory methodology in information systems research: how to create and sustain transparency?
(International Journal of Computing & ICT Research, 2014) Tossy, Titus
Information Systems(IS) field is fast growing. There is increase application of Classic Grounded theory (CGT) methodology in the Information Systems (ISs) studies. However, "how to create and sustain transparency when using Classic Grounded theory in studies is still answered." The Classic Grounded Theory [CGT] research method reveals latent patterns of human behaviour. It is a general research methodology because it makes use of all kinds of data. Whether the data are qualitative or quantitative, CGT main objective is to discover a robust empirically derived hypothesis or core variable. The core variable articulates the main concern of the respondents. It is so called because the core variable is able to explain most of the variation in the data. The particular feature of the CGT research method is that it is transcendent of both time and place. This is because CGT delivers a conceptual explanation rather than a low level descriptive context based narrative. As the number of IS researchers using CGT increases so does the likelihood for more confusion regarding the legitimate criteria for its evaluation. To contribute towards eliminating the confusion, this paper investigates how to create and sustain transparency in IS research when using the Classic Grounded Theory research method. This will, hopefully, enable IS researchers, supervisors and respective institutions to make more informed decisions on how to evaluate research, which has used the CGT research methodology.
Doing classic grounded theory research in information systems: trust in emergence
(IGI Global, 2017) Tossy, Titus; Brown, Irwin; Lowe, Andy
Grounded Theory (GT) is a latent pattern recognition research method that was developed by Barney Glaser and Anselm Strauss (1967). GT, which can use either quantitative or qualitative data, is a general research methodology and it produces empirically grounded but modifiable theory. Since the development of GT in 1967, some researchers have attempted to modify the original GT method, and remodelled GT approaches have been widely used in Information Systems (IS) research, often with unfortunate results due to disregard of the basic rules of the original GT. The continued use of remodelled GT methods has caused confusion and has prevented those in the IS research community from stimulating the development of new theory, which is the main benefit of using GT as it was originally outlined. Following publication of the original grounded theory by Glaser and Strauss (1967), Glaser (1978) went on to explain in detail how to operationalize the GT method. Despite this, some researchers mistakenly continued to classify GT as a subset of the qualitative data analysis research methodology. In doing so, they reveal that they have misunderstood both the purpose of GT and how to use it correctly. In this paper the author will concentrate on the authentic approach to GT, which is termed “Classic Ground Theory” (CGT), so as to differentiate it from any misconceived remodelled version of the theory. This paper explains how CGT can be carried out in an IS context by trusting in the emergence from the data of the required information, rather than forcing it.
E-government adoption in developing countries: Trends in the use of models
(ESARBICA Journal, 2011) Komba, Mercy Mlay; Ngulube, P.
Like the evaluation of all other information systems initiatives, the evaluation of e-government in both theory and practice has proven to be important and complex. The importance of e-government evaluation is due to the enormous investment put in by governments for delivering e-government services and to the considerable pace of growth in the field of e-government. However, despite the importance of the evaluation of e-government services, the literature shows that e-government evaluation is still an immature area in terms of development and management. The main aim of this article is to explore various theories and models which have been used in the developing countries context to evaluate e-government adoption. Developing countries suffer from poor citizen utilization of e-government initiatives. An assessment of various theories and models for e-government adoption in developing countries may positively contribute to enhancing government understanding of the factors that influence citizen utilization of e-government systems. Moreover, the understanding of these models can be used as means for providing valuable feedback for the planning of future e-government initiatives in the developing countries.
E-learning uptake among academicians and students in Tanzanian universities
(International Online Journal of Education and Teaching (IOJET), 2019) Kisanjara, Simeo; Tossy, Titus; Sife, Alfred; Msanjila, Simon
The purpose of this study was to ascertain the extent of current e-learning uptake in Tanzanian universities. The quantitative approach involving survey design was adopted in the collection of data. Data were collected through a questionnaire survey of 400 respondents, with a rate of return 85.5%. The average reliability of variables 0.949 was determined using Cronbach's Alpha. Fuzzy Logic model and t-test were adopted for data analysis. The findings revealed that the average extent of current e-learning uptake among students and academicians were less than half of threshold amounting to 50% (i.e. level of awareness was 16%, availability was 20.6%, accessibility was 17%, attitude was 15% as variables used). There was no statistically significant difference in e-learning uptake among students and academicians as the value of p > 0.05. The findings of this study established a base ground and guidelines to inform the e-learning stakeholders and policymakers to find and establish suitable policy as well as mechanism to adopt and encourage sustainable use of e-learning systems for life-long teaching and learning. The originality of this study is based on the addition of new variables and methodologies employed as empirical evidence based on the extent of e-learning uptake in Tanzanian universities.
E-learning use and teaching and learning performance in Tanzanian universities
(Sage Journals, 2024) Kisanjara, Simeo
The use of E-learning as a new educational technology is currently a top priority in many universities in developing-countries. The main purpose of this research is to determine how e-learning affects the teaching and learning (T&L) performance in Tanzanian universities. Employing a questionnaire tool, a quantitative approach was used to collect the data. A total of 390 out of 400 respondents including lectures and students were taken into account, with a 97.5% response rate. Data in SPSS version 21 were analyzed using partial least squares structural equation modeling (PLS-SEM) technique and confirmatory factor analysis (CFA). According to the findings of this study, only one of the nine hypotheses tested have a non-significant effect on T&L performance, as indicated by p-values >0.01. Further, there is no statistically significant effect of perceived usefulness in using e-learning in T&L performance by lowering cost/expenses. Furthermore, other variables assessed including performance expectancy, ease of use, and perceived usefulness have significance effect on T&L performance by increased quality of instructional material delivery, convenience in teaching and learning facilities. The findings of this study inform policymakers on how to reformulate information and communication technology (ICT) policy to clearly spell out the adoption of e-learning for providing facilities in universities. The policy should, in particular, have a clear vision of implementing an appealing, conducive teaching and learning service delivery environment, as well as achieving appropriate and high T&L performance. By influencing the cost/expenses in T&L, quality of instructional material, and the convenience of T&L service delivery as the indicators of performance, this paper contributes to improve understanding of the factors of e-learning (including performance expectancy, perceived usefulness, and ease of use) on teaching and learning performance of the Tanzanian universities. These factors, which have a substantial influence on T&L performance in Tanzanian universities through affecting its indicators, were not thoroughly addressed in earlier relevant studies.
Evolutionary collaborative partnership model (ECPM): The East African elearning provider's project-based legitimization strategy
(International Journal of Computing and ICT Research, 2014) Tossy, Titus
The paper examines the lack of legitimacy of e-learning projects including academic certificates through online distance programs. The paper analyses whether the lack of legitimacy that exist among e-learning projects can be eradicated through a sound proposed strategy. The rationale of this study is based on the fact that most scholars claim that various e-learning projects and programs lack legitimization, and the literature related to legitimization issues is limited. From the perspective of e-learning providers working in East Africa, this paper used Classic Grounded Theory. The study developed an Evolutionary Collaborative Partnership Model (ECPM). For legitimization to be achieved, the study revealed that three processes needed to be followed: the identifying and acquiring of collaborating partners, referral networking and strategic alliances. The study identified two types of collaborating partnerships: asymmetrical and reciprocal collaborating . The study discovered five stages in an incremental sequential process in the evolutionary e-learning collaborative partnership model including identification of key drivers, problem setting, direction setting, structuring and outcomes.
Factors for e-government adoption: Lessons from selected African countries
(UNISA Press, 2012) Komba, Mercy Mlay; Ngulube, P
This article discusses various problematic issues of providing access to, and promoting the wider utilisation of government information as important factors in e-government adoption. The Tunisian, Mauritian and Egyptian e-government experiences are examined in this article in order to highlight both good practices and remaining challenges in e-government adoption. Some of the good practices that we can benefit from, may be summarised as: formulating a viable national information and communication technology strategy (ICT-based) for modernising the telecommunications infrastructure, developing a regulatory framework for the deployment of a digital economy, obtaining international cooperation in ICT, developing skilled human resources management in ICT, developing a national digital culture in order to overcome the problems of low individual usage and adoption of ICT, establishing an information infrastructure to connect the various local government authorities, and establishing security standards in order to address threats. The study concludes that overcoming the obstacles of providing access to, and promoting the wider utilisation of government information, remain some of the biggest challenges for any government planning to adopt and implement e-government.
Factors influencing e-learning implementation in Tanzanian Universities
(The Online Journal of Distance Education and e-Learning, 2020) Kisanjara, Simeo
Website design and optimization has become natural extension on learning in many universities nowadays as it moves learning materials to online in the name of e-learning. The said website design and optimization enhances the e-learning for the purpose of facilitating and providing flexibility in teaching and learning activities. However, the progress of e-learning implementation is yet to be adequate in many universities in developing countries including Tanzania. This study, investigated factors influencing e-learning implementation from broader dimensions. This study employed cross section survey design with quantitative approach using questionnaire for data collection. The study finding revealed that technological characteristics, user characteristics, pedagogical characteristics, social attributes and environmental characteristics significantly influence e-learning implementation level. Thus, this study contributes to the understanding of the new factors such as social, pedagogical and environmental which were inadequately addressed in the existing similar elearning implementation models. Further, both factors were collectively used to develop a model for improving implementation of e-learning in Tanzanian universities and other countries with similar characteristics.
Factors that influence eBusiness adoption in selected districs in Tanzania
(International Conference on eBusiness, eCommerce, eManagement, eLearning and eGovernance (2015): 1-19. Print., 2015) Komba, Mercy Mlay; Ngulube, P
Purpose-Tanzania government has been making efforts to provide its information and services through internet. However, e-government adoption has been quite slow. Few publications explore e-government adoption in the Tanzanian context; therefore, this paper aims to assess factors that influence citizen adoption of e-government in Tanzania.Design/methodology/approach- A survey was administered to elicit factors for e-government adoption in Tanzania. Findings- The results of multiple linear regressions indicate that social influence and system quality significantly influence e-government adoption in Tanzania. Research limitation/implications- In light of these findings, researchers should conduct a similar study using other different e-government adoption models to identify more factors that influence e-government adoption in Tanzania. Practical implications- Policymakers and e-government project teams should consider these factors to facilitate e-government adoption within the
Government information seeking behaviour of citizens in selected districts of Tanzania
(Journal of Library & Information Science, 2016) Komba Mercy Mlay; Lwoga Edda Tandi
The study assessed the information needs and information-seeking patterns of citizens in Tanzania, focusing on three districts: Morogoro town, Njombe and Kinondoni districts. A questionnaire survey was self-administered to 450 citizens in selected districts, with a rate of return of 99.6 per cent. Findings revealed that citizens mainly required information on national examination results, followed by information on birth, death and marriage certificates, land, and health. Citizens relied on electronic sources and interpersonal communication with neighbours and friends more than explicit sources of information. Certain demographic factors related to education level and respondent’s age determined the use of various types of information sources. Common barriers of citizens’ information seeking behaviour were related to poor ICT infrastructure, difficulty in retrieving information, distant location and high costs of information sources. This is a comprehensive study that provides findings which might help the government in Tanzania and other countries with similar conditions to provide effective government information and services to their citizens.