.:. As a response to address constraints facing agriculture extension service, the Web-based and ... more .:. As a response to address constraints facing agriculture extension service, the Web-based and Mobile-based Farmers Advisory Information System (W-FAIS& M-FAIS) were developed to minimize various constraints hindering agricultural production such as lack of timely agricultural information; poor delivery of extension services because of few extension officers, lack of incentives as well as under-utilization of K'Ts .
Wireless Sensor Network (WSN) consists of large number of low-cost, resource-constrained sensor n... more Wireless Sensor Network (WSN) consists of large number of low-cost, resource-constrained sensor nodes. The constraints of the wireless sensor node is their characteristics which include low memory, low computation power, they are deployed in hostile area and left unattended, small range of communication capability and low energy capabilities. Base on those characteristics makes this network vulnerable to several attacks, such as sinkhole attack. Sinkhole attack is a type of attack were compromised node tries to attract network traffic by advertise its fake routing update. One of the impacts of sinkhole attack is that, it can be used to launch other attacks like selective forwarding attack, acknowledge spoofing attack and drops or altered routing information. It can also used to send bogus information to base station. This paper is focus on exploring and analyzing the existing solutions which used to detect and identify sinkhole attack in wireless sensor network. The analysis is base...
A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode wh... more A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode where assignment of questions from farmers to experts is done manually. Questions as input to the system are received randomly in a day and experts are supposed to respond within a specified time. The system has 20 experts in its database who respond to farmers questions and it can receive more than 30 questions per day. If there is a significant delay in the responses to a question then the question is reassigned to another expert. Each expert behaves differently when responding to their assigned questions. In order to address the shortcomings, the experts’ assignment algorithm was developed utilizing the respondents’ response probabilities and time of responses. Assignment decision is based on using a model that trains ‘CASIS’ on the determination of best experts. CASIS training algorithm is developed to complement current weakness. The algorithm doesn’t omit experts who respond late but...
The number of security incidents exploiting security holes in the web applications is increasing.... more The number of security incidents exploiting security holes in the web applications is increasing. One of the recently identified vulnerability in the web applications is the Heartbleed bug. The Heartbleed bug is a weakness found in OpenSSL, open source cryptographic software. In this study, both quantitative and qualitative research methodologies were employed. Case study and content/documentary analysis research methods were used to collect data for probing the web applications which are vulnerable to the bug. Due to the complexity of the problem, Soft Systems Methodology was adopted for the management of the analysis of data. The evaluation of security of web applications involved 64 selected websites of higher education institutions in Africa. SSM was supported by a theory called Activity Theory. The collected data was analysed using “R statistical computing package”. The study found that 89% of the universities web applications in Africa were vulnerable to the Heartbleed attack;...
The advancement of technology has brought low cost mobile phones which are affordable to majority... more The advancement of technology has brought low cost mobile phones which are affordable to majority of livestock keepers and traders in Kilosa District. The Government of Tanzania has developed livestock market information system which offers markets and market information for different livestock products. The system was established to enhance the bargaining power of livestock keepers to traders and middlemen in livestock markets. Thus the ultimate goal of the developed system was to create a platform to link farmers and lenders, as well as farmers and buyers. Despite the potential of the developed system, few livestock keepers are using it. This study was designed to evaluate the usability of the livestock market information system as well as the causes of its limited use. The Software Usability Measurement Inventory approach for usability was used during system evaluation to gauge user’s satisfaction. The results indicate that development of the livestock market information system w...
Abstract-. The main objective of this study was to determine whether the rapid growth of cybercri... more Abstract-. The main objective of this study was to determine whether the rapid growth of cybercrimes affecting information systems in the global: is a myth or reality in Tanzania. The study was undertaken using a mixed research (quantitative and qualitative) methods. The research findings reveals that 12.8 % of users are victims of cybercrimes due to visiting unhealthy websites in cyberspace, more than 90.89% of users have been denied access to torrents/p2p applications (with malicious codes); more than 63.29% of e-mails received by users are spam. It has been noted that Internet users has risen to 5.63 million users in 2012 out of 46.9 million of population in Tanzania; and is increasing at the rate of 416.98% per year; with this increase rate, there will be 7.34 million users of internet by December 2015 in Tanzania. The increase in the number of Internet users has direct implication to the increase in cybercrimes affecting information systems. The Government of Tanzania has d...
Global journal of computer science and technology, 2017
Purpose: In Tanzania, data for climate and weather are normally analyzed by Meteorological Agency... more Purpose: In Tanzania, data for climate and weather are normally analyzed by Meteorological Agency and then are published through TV, website and radio. Different stakeholders normally obtain the weather and climate data / information in a generalized way. This calls for a need of a system which allows data to be shared openly to different stakeholders so that they can analyze those data as per their specific needs. The paper presents the overview of the developed system, ECAWsoft. Also, it gives some few interfaces showing different outputs from the system. Findings: The goal of this paper has been attained by developing a working data visualization tool for climate and weather called ECAWsoft. The system is current operational and is providing open data for different stakeholders. It is user friendly and interactive with capability of displaying visualization of data as per fine granularity required by user. Development of open data system for data visualization has lead to a trans...
The trend of organizations offering services through integrated applications using weband mobileb... more The trend of organizations offering services through integrated applications using weband mobilebased information systems has raised security concerns on how to ensure security goals are attained. The foundation of many systems’ security problems is the lack of integrating secure aspects throughout the processes of architecture design of information systems. This problem is contributed by lack of systematic research methodology and standard security guidelines and principles in many organizations dealing with development of systems in Tanzania. In order to address the weakness of previous studies in the research design, this study employed soft design science methodology (integration of Soft Systems Methodology and Design Science Research); this enabled triangulation of research methodology to take place. The security goals for the proposed secure information system design architecture were explored and incorporated in all stages of the design of system architecture. The proposed se...
Background: Poultry farmers need different information in order to improve their farming and cont... more Background: Poultry farmers need different information in order to improve their farming and contribute to the national economy. Information on poultry management is usually obtained from family members, friends, and neighbors with previous experience, extension officers, researchers, Television, radio, web and mobile based agriculture information systems. Promoting utilisation of vetted sources of information is envisaged to support poultry farmers in making informed decisions about management practices. This in turn will result into increased poultry productivity. Objective: Many researches have been done to evaluate various information sources but few have been done to evaluate the mobile based extension, advisory and learning system here referred to “UshauriKilimo”. This study particularly assessed poultry farmers’ information needs and extension advices given through the agro-advisory system among farmers in Kilosa district of Tanzania. The objective was to determine poultry fa...
This paper presents results from the application of Open Data System to improve coverage of agric... more This paper presents results from the application of Open Data System to improve coverage of agricultural extension services using web-based and mobile-based farmers‘ advisory information Ushaurikilimo in Kilosa District. The research adopted a participatory action research method to develop the interventions. The findings from this study show that farmers and other actors get timely, relevant and personalized advisory services. The user interface of the Open System hosting Open Data is in Swahili language, a language widely spoken in the study area, which enhanced adoption of the system. The Open System did not require farmers and other actors to pay for the services, which motivated to attract farmers and actors to adopt the system. In order to lower the cost of implementing the project, agricultural extension officers in study villages were used to receive questions from farmers and provided answers, and sent difficulty questions to experts from Sokoine University of Agriculture t...
In time of climate change there is a lot of interest in communicating detailed information and kn... more In time of climate change there is a lot of interest in communicating detailed information and knowledge pertaining to climate to different stakeholders. In order to aid informed decision making related to changing climate and weather variability there is need for data visualization tool. Data visualization tool plays a great role in interpreting bulk climate information produced or collected from different districts, regions and nations at large. In Tanzania, online real-time data visualization tool can help to bridge the gap in the current system whereby climate information is disseminated using television, radio as well as face-to face. These methods have many problems, one being difficulty for end user to aggregate the disseminated climate information over long period of time. This paper seeks to present a work toward developing of a tool for such purpose. The work was done by Database for Crop Models Simulation team from Tanzania with consultation of team members from Kenya, Ug...
International Journal of Computing and ICT Research, ISSN 1818-1139 (Print), ISSN 1996-1065 (Onli... more International Journal of Computing and ICT Research, ISSN 1818-1139 (Print), ISSN 1996-1065 (Online), Vol.10, Issue 1, pp.41-60, June 2016.
Tanzania Higher Learning institutions (HLIs) have not fully deployed the ICT infrastructure to fa... more Tanzania Higher Learning institutions (HLIs) have not fully deployed the ICT infrastructure to facilitate smooth performance of their business functions. They have inadequate computers, insufficient network infrastructure, low bandwidth; their computers are ageing and have limited ICT investment. The research examined usage of employees’ personal ICT devices for performing office work and the policies, guidelines and practices that can be implemented by HLIs while adopting usage of employees’ personal devices in the work environment. As an interpretive research, data were collected through interviews and observations during the survey at HLI, Sokoine University of Agriculture (SUA). Results confirmed inadequate computers, low bandwidth at HLIs and revealed usage of employees’ personal ICT devices for office work and for communicating issues related to employers’ work. Further, HLIs are not concerned if employees use their ICT devices for office work. It is like HLIs have silently ad...
The diagnosis of tuberculosis (TB) disease remains a global challenge, and the need for innovativ... more The diagnosis of tuberculosis (TB) disease remains a global challenge, and the need for innovative diagnostic approaches is inevitable. Trained African giant pouched rats are the scent TB detection technology for operational research. The adoption of this technology is beneficial to countries with a high TB burden due to its cost-effectiveness and speed than microscopy. However, rats with some factors perform better. Thus, more insights on factors that may affect performance is important to increase rats’ TB detection performance. This paper intends to provide understanding on the factors that influence rats TB detection performance using visual analytics approach. Visual analytics provide insight of data through the combination of computational predictive models and interactive visualizations. Three algorithms such as Decision tree, Random Forest and Naive Bayes were used to predict the factors that influence rats TB detection performance. Hence, our study found that age is the mos...
.:. As a response to address constraints facing agriculture extension service, the Web-based and ... more .:. As a response to address constraints facing agriculture extension service, the Web-based and Mobile-based Farmers Advisory Information System (W-FAIS& M-FAIS) were developed to minimize various constraints hindering agricultural production such as lack of timely agricultural information; poor delivery of extension services because of few extension officers, lack of incentives as well as under-utilization of K'Ts .
Wireless Sensor Network (WSN) consists of large number of low-cost, resource-constrained sensor n... more Wireless Sensor Network (WSN) consists of large number of low-cost, resource-constrained sensor nodes. The constraints of the wireless sensor node is their characteristics which include low memory, low computation power, they are deployed in hostile area and left unattended, small range of communication capability and low energy capabilities. Base on those characteristics makes this network vulnerable to several attacks, such as sinkhole attack. Sinkhole attack is a type of attack were compromised node tries to attract network traffic by advertise its fake routing update. One of the impacts of sinkhole attack is that, it can be used to launch other attacks like selective forwarding attack, acknowledge spoofing attack and drops or altered routing information. It can also used to send bogus information to base station. This paper is focus on exploring and analyzing the existing solutions which used to detect and identify sinkhole attack in wireless sensor network. The analysis is base...
A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode wh... more A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode where assignment of questions from farmers to experts is done manually. Questions as input to the system are received randomly in a day and experts are supposed to respond within a specified time. The system has 20 experts in its database who respond to farmers questions and it can receive more than 30 questions per day. If there is a significant delay in the responses to a question then the question is reassigned to another expert. Each expert behaves differently when responding to their assigned questions. In order to address the shortcomings, the experts’ assignment algorithm was developed utilizing the respondents’ response probabilities and time of responses. Assignment decision is based on using a model that trains ‘CASIS’ on the determination of best experts. CASIS training algorithm is developed to complement current weakness. The algorithm doesn’t omit experts who respond late but...
The number of security incidents exploiting security holes in the web applications is increasing.... more The number of security incidents exploiting security holes in the web applications is increasing. One of the recently identified vulnerability in the web applications is the Heartbleed bug. The Heartbleed bug is a weakness found in OpenSSL, open source cryptographic software. In this study, both quantitative and qualitative research methodologies were employed. Case study and content/documentary analysis research methods were used to collect data for probing the web applications which are vulnerable to the bug. Due to the complexity of the problem, Soft Systems Methodology was adopted for the management of the analysis of data. The evaluation of security of web applications involved 64 selected websites of higher education institutions in Africa. SSM was supported by a theory called Activity Theory. The collected data was analysed using “R statistical computing package”. The study found that 89% of the universities web applications in Africa were vulnerable to the Heartbleed attack;...
The advancement of technology has brought low cost mobile phones which are affordable to majority... more The advancement of technology has brought low cost mobile phones which are affordable to majority of livestock keepers and traders in Kilosa District. The Government of Tanzania has developed livestock market information system which offers markets and market information for different livestock products. The system was established to enhance the bargaining power of livestock keepers to traders and middlemen in livestock markets. Thus the ultimate goal of the developed system was to create a platform to link farmers and lenders, as well as farmers and buyers. Despite the potential of the developed system, few livestock keepers are using it. This study was designed to evaluate the usability of the livestock market information system as well as the causes of its limited use. The Software Usability Measurement Inventory approach for usability was used during system evaluation to gauge user’s satisfaction. The results indicate that development of the livestock market information system w...
Abstract-. The main objective of this study was to determine whether the rapid growth of cybercri... more Abstract-. The main objective of this study was to determine whether the rapid growth of cybercrimes affecting information systems in the global: is a myth or reality in Tanzania. The study was undertaken using a mixed research (quantitative and qualitative) methods. The research findings reveals that 12.8 % of users are victims of cybercrimes due to visiting unhealthy websites in cyberspace, more than 90.89% of users have been denied access to torrents/p2p applications (with malicious codes); more than 63.29% of e-mails received by users are spam. It has been noted that Internet users has risen to 5.63 million users in 2012 out of 46.9 million of population in Tanzania; and is increasing at the rate of 416.98% per year; with this increase rate, there will be 7.34 million users of internet by December 2015 in Tanzania. The increase in the number of Internet users has direct implication to the increase in cybercrimes affecting information systems. The Government of Tanzania has d...
Global journal of computer science and technology, 2017
Purpose: In Tanzania, data for climate and weather are normally analyzed by Meteorological Agency... more Purpose: In Tanzania, data for climate and weather are normally analyzed by Meteorological Agency and then are published through TV, website and radio. Different stakeholders normally obtain the weather and climate data / information in a generalized way. This calls for a need of a system which allows data to be shared openly to different stakeholders so that they can analyze those data as per their specific needs. The paper presents the overview of the developed system, ECAWsoft. Also, it gives some few interfaces showing different outputs from the system. Findings: The goal of this paper has been attained by developing a working data visualization tool for climate and weather called ECAWsoft. The system is current operational and is providing open data for different stakeholders. It is user friendly and interactive with capability of displaying visualization of data as per fine granularity required by user. Development of open data system for data visualization has lead to a trans...
The trend of organizations offering services through integrated applications using weband mobileb... more The trend of organizations offering services through integrated applications using weband mobilebased information systems has raised security concerns on how to ensure security goals are attained. The foundation of many systems’ security problems is the lack of integrating secure aspects throughout the processes of architecture design of information systems. This problem is contributed by lack of systematic research methodology and standard security guidelines and principles in many organizations dealing with development of systems in Tanzania. In order to address the weakness of previous studies in the research design, this study employed soft design science methodology (integration of Soft Systems Methodology and Design Science Research); this enabled triangulation of research methodology to take place. The security goals for the proposed secure information system design architecture were explored and incorporated in all stages of the design of system architecture. The proposed se...
Background: Poultry farmers need different information in order to improve their farming and cont... more Background: Poultry farmers need different information in order to improve their farming and contribute to the national economy. Information on poultry management is usually obtained from family members, friends, and neighbors with previous experience, extension officers, researchers, Television, radio, web and mobile based agriculture information systems. Promoting utilisation of vetted sources of information is envisaged to support poultry farmers in making informed decisions about management practices. This in turn will result into increased poultry productivity. Objective: Many researches have been done to evaluate various information sources but few have been done to evaluate the mobile based extension, advisory and learning system here referred to “UshauriKilimo”. This study particularly assessed poultry farmers’ information needs and extension advices given through the agro-advisory system among farmers in Kilosa district of Tanzania. The objective was to determine poultry fa...
This paper presents results from the application of Open Data System to improve coverage of agric... more This paper presents results from the application of Open Data System to improve coverage of agricultural extension services using web-based and mobile-based farmers‘ advisory information Ushaurikilimo in Kilosa District. The research adopted a participatory action research method to develop the interventions. The findings from this study show that farmers and other actors get timely, relevant and personalized advisory services. The user interface of the Open System hosting Open Data is in Swahili language, a language widely spoken in the study area, which enhanced adoption of the system. The Open System did not require farmers and other actors to pay for the services, which motivated to attract farmers and actors to adopt the system. In order to lower the cost of implementing the project, agricultural extension officers in study villages were used to receive questions from farmers and provided answers, and sent difficulty questions to experts from Sokoine University of Agriculture t...
In time of climate change there is a lot of interest in communicating detailed information and kn... more In time of climate change there is a lot of interest in communicating detailed information and knowledge pertaining to climate to different stakeholders. In order to aid informed decision making related to changing climate and weather variability there is need for data visualization tool. Data visualization tool plays a great role in interpreting bulk climate information produced or collected from different districts, regions and nations at large. In Tanzania, online real-time data visualization tool can help to bridge the gap in the current system whereby climate information is disseminated using television, radio as well as face-to face. These methods have many problems, one being difficulty for end user to aggregate the disseminated climate information over long period of time. This paper seeks to present a work toward developing of a tool for such purpose. The work was done by Database for Crop Models Simulation team from Tanzania with consultation of team members from Kenya, Ug...
International Journal of Computing and ICT Research, ISSN 1818-1139 (Print), ISSN 1996-1065 (Onli... more International Journal of Computing and ICT Research, ISSN 1818-1139 (Print), ISSN 1996-1065 (Online), Vol.10, Issue 1, pp.41-60, June 2016.
Tanzania Higher Learning institutions (HLIs) have not fully deployed the ICT infrastructure to fa... more Tanzania Higher Learning institutions (HLIs) have not fully deployed the ICT infrastructure to facilitate smooth performance of their business functions. They have inadequate computers, insufficient network infrastructure, low bandwidth; their computers are ageing and have limited ICT investment. The research examined usage of employees’ personal ICT devices for performing office work and the policies, guidelines and practices that can be implemented by HLIs while adopting usage of employees’ personal devices in the work environment. As an interpretive research, data were collected through interviews and observations during the survey at HLI, Sokoine University of Agriculture (SUA). Results confirmed inadequate computers, low bandwidth at HLIs and revealed usage of employees’ personal ICT devices for office work and for communicating issues related to employers’ work. Further, HLIs are not concerned if employees use their ICT devices for office work. It is like HLIs have silently ad...
The diagnosis of tuberculosis (TB) disease remains a global challenge, and the need for innovativ... more The diagnosis of tuberculosis (TB) disease remains a global challenge, and the need for innovative diagnostic approaches is inevitable. Trained African giant pouched rats are the scent TB detection technology for operational research. The adoption of this technology is beneficial to countries with a high TB burden due to its cost-effectiveness and speed than microscopy. However, rats with some factors perform better. Thus, more insights on factors that may affect performance is important to increase rats’ TB detection performance. This paper intends to provide understanding on the factors that influence rats TB detection performance using visual analytics approach. Visual analytics provide insight of data through the combination of computational predictive models and interactive visualizations. Three algorithms such as Decision tree, Random Forest and Naive Bayes were used to predict the factors that influence rats TB detection performance. Hence, our study found that age is the mos...
A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive o... more A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode where assignment of questions from farmers to experts is done manually. Questions as input to the system are received randomly in a day and experts are supposed to respond within a specified time. The system has 20 experts in its database who respond to farmers questions and it can receive more than 30 questions per day. If there is a significant delay in the responses to a question then the question is reassigned to another expert. Each expert behaves differently when responding to their assigned questions. In order to address the shortcom ings, the experts’ assignment algorithm was developed utilizing the respondents’ response probabilities and time of responses. Assignment decision is based on using a model that trains ‘CASIS’ on the determination of best experts. CASIS training algorithm is developed to complement current weakness. The algorithm doesn’t omit experts who respond late but complements them with active ones. The decision boundary is homogeneity and numerical so as to give a single output quickly. The input (x1, x2) and output (y) variables are numeric. The main concept is that the output is generated using linear combination or weighted sum model The algorithm considers response time as best criteria to satisfy the farmers who send the questions. This algorithm provides a great chance of finding a quick answer within a short period of time. Automatic expert assignment is essential to achieve high adoption of the system that satisfies the on - time farmer advisories demand and promote efficiency as well as effective extension services for rural development.
A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode wh... more A Cloud-based Agro-advisory Service Information System (CASIS) uses interactive operating mode where assignment of questions from farmers to experts is done manually. Questions as input to the system are received randomly in a day and experts are supposed to respond within specified time. The system has 20 experts in its database who respond to farmers questions and it can receive more than 30 questions per day. If there is a significant delay in the responses to a question then the question is reassigned to another expert. Each expert behaves differently when responding to their assigned questions. In order to address the shortcomings, the experts’ assignment algorithm was developed utilizing the respondents’ response probabilities and time of responses. Assignment decision is based on using a model that trains ‘CASIS’ on the determination of best experts. CASIS training algorithm is developed to compliment current weakness. The algorithm doesn’t omit experts who respond late but compliment them with active ones. The decision boundary is homogeneity and numerical so as to give a single output quickly. The input (x1, x2) and output (y) variables are numeric. The main concept is that the output is generated using linear combination or weighted sum model The algorithm considers response time as best criteria to satisfy the farmers who send the questions. This algorithm provides a great chance of finding a quick answer within a short period of time. Automatic expert assignment is essential to achieve high adoption of the system that satisfies the on-time farmer advisories demand and promote efficiency as well as effective extension services for rural development.
Key messages, findings and recommendations .:. As a response to address constraints facing agricu... more Key messages, findings and recommendations .:. As a response to address constraints facing agriculture extension service, the Web-based and Mobile-based Farmers Advisory Information System (W-FAIS & M-FAIS) were developed to minimize various constraints hindering agricultural production such as lack of timely agricultural information; poor delivery of extension services because of few extension officers, lack of incentives as well as under-utilization of K'Ts. • :. The W-FAIS and M-FAIS ws released for public use in January 2015 that followed anawareness campaign which was conducted in Kilosa District. The project improved working efficiency of the extension officers, provision of equal access to information and agriculture innovation system to the farming community I inking all major actors of agricultural sector such as farmers, transporters, traders, input suppliers, extension officers, researchers and policy makers, which makes easier for the establishment of community initiative for solving complex problems in agriculture. • :. Issues of quality control were monitored through the use of agriculture innovation system. The agriculture innovation system consists of networking with members of Kilosa community radio, local telecentre, researchers from Sokoine University of Agriculture and representative actors from farmers, processors and traders. • :. The study proposes a policy for establishing a national framework for validation of agriculture knowledge information systems. For this policy to work the following aspects should be operational: establishment of an e-Agric-Extension Policy; improving collaboration and capacity building; and strengthening ICT infrastructure
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Papers by Camilius Sanga
Questions as input to the system are received randomly in a day and experts are supposed to respond within a specified time. The system has 20 experts in its database who respond to farmers questions and it can receive more than 30 questions per day. If there is a significant delay in the responses to a question then the question is reassigned to another expert. Each
expert behaves differently when responding to their assigned questions. In order to address the shortcom
ings, the experts’ assignment algorithm was developed utilizing the respondents’ response probabilities and time of responses. Assignment decision is based on using a model that trains ‘CASIS’ on the determination of best experts. CASIS training algorithm is developed to complement current weakness. The algorithm doesn’t omit experts who respond
late but complements them with active ones. The decision boundary is homogeneity and numerical so as to give a single output quickly. The input (x1, x2) and output (y) variables are numeric. The main concept is that the output is generated using linear combination or weighted sum model The algorithm considers response time as best criteria to satisfy the farmers who send the questions. This algorithm provides a great
chance of finding a quick answer within a short period of time. Automatic expert assignment is essential to achieve high adoption of the system that satisfies the on - time farmer advisories demand and promote efficiency as well as effective extension services for rural development.
Experts’ Assignment Algorithm for Cloud-based Agro-advisory Service Information System (CASIS) using Weighted Sum Model: Piloting CASIS (PDF Download Available). Available from: https://www.researchgate.net/publication/284513806_Experts'_Assignment_Algorithm_for_Cloud-based_Agro-advisory_Service_Information_System_CASIS_using_Weighted_Sum_Model_Piloting_CASIS