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74 lines
3.3 KiB
TeX
74 lines
3.3 KiB
TeX
\chapter{Concept}
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\label{ch:Concept}
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\section{User Interaction with the System}
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\label{sec:Concept:UserSystemInteraction}
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The system has one main way to be used as defined in \autoref{tab:Concept:MainUseCase}.
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\begin{figure}
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\centering
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\includegraphics[width=1\textwidth]{./figures/bpmn_configuration_process_with_continious_recommendation.pdf}
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\caption{A bpmn diagram of the configuration process.}
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\label{fig:Concept:ConfigurationProcess}
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\end{figure}
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\begin{table}
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\begin{center}
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\begin{tabularx}{\columnwidth}{l|X}
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\multicolumn{2}{c}{Main System Usage} \\
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\hline
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Preconditions &
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\begin{itemize}
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\item The configurator is opened with the same session on each of the group member's machines
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\item The configuration is in an unfinished state (this state is a consensus state)
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\end{itemize} \\
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\hline
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Postcondition &
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\begin{itemize}
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\item All users have entered their preferences for each attribute explicitly.
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\item The system gives a recommendation based on all preferences and the unfinished configuration state
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\end{itemize} \\
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\hline
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Basic Flow &
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\begin{enumerate}
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\item A user indicates a preference for an attribute
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\item The system generates a recommendation (based on preferences and configuration status)
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\item If not all users have given their preferences go to step 1.
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\end{enumerate} \\
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\hline
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\end{tabularx}
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\caption{A description of the main way users will interact with the system}
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\label{tab:Concept:MainUseCase}
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\end{center}
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\end{table}
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\FloatBarrier
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\section{Solution Objectives}
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\label{sec:Concept:SolutionObjectives}
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Given an unfinished configuration and preferences of all group members rate a finished configuration on how well "similar" it reflects the configuration and preferences.
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Use this to choose the best finished configuration out of a list to recommend.
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\subsection{Generating a Recommendation}
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\label{sec:Concept:GeneratingRecommendation}
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Hereby the idea is there is a database of complete configurations (possibly historic from other groups or automatically generated or both).
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Now the recommendation procedure looks as follows:
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\begin{enumerate}
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\item Assign a score to each stored configuration according to $$score_{group}(\overline{configurationState},\ \overline{preferences}, \ configurationInStore)$$
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\item Optional: Filter out configurations that have a score below a certain value using a different scoring function. For example filter out configurations that cause a certain level of misery.
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\item Chose the configuration with the highest score as recommendation.
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\end{enumerate}
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\section{Benefits}
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\label{sec:Concept:Benefits}
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The benefits of this approach are, that the need for a group to communicate is reduced. Each user gives their own preferences and the group will get a recommendation based on that. This allows to reduce problems with communication of preferences and eliminates misunderstandings.
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