Experts’ assignment algorithm for Cloud-based Agro-advisory Service Information System (CASIS) using weighted sum model: piloting CASIS
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Date
2015
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Publisher
UbuntuNet Alliance
Abstract
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 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.
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Keywords
information system, extension, CASIS, cloud-based, agro-advisory service