64 lines
2.8 KiB
TeX
64 lines
2.8 KiB
TeX
%!TEX root = main.tex
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\section{Description of dataset}
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% 数据表概况，每张数据表字段介绍
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We store the dataset \textit{DupPR} in a MySQL database,
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and make the script files available online in GitHub.
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Figure~\ref{fig:schemas_h} illustrates the schema of \textit{DupPR}.
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There are four tables in \textit{DupPR}
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and the fields in these tables are defined as follows.
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% \begin{figure}[!htbp]
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% \centering
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% \includegraphics[width=0.4\textwidth]{figs/schemas_v.pdf}
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% \caption{The Schemas of our dataset}
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% \label{fig:schemas_v}
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% \end{figure}
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\begin{figure}[!htbp]
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\centering
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\includegraphics[width=0.44\textwidth]{figs/schemas_h.pdf}
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\caption{The Schema of \textit{DupPR} dataset}
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\label{fig:schemas_h}
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\end{figure}
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\begin{itemize}[leftmargin=0em,itemindent=2em]
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\item Table \texttt{Project} stores the basic information of studied projects.
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Field \texttt{user\_name} is the name of the user owning the project in GitHub,
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and field \texttt{repo\_name} is the name of the project.
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These two fields, together with the domain name of GitHub,
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can be used to compose the resource locator of the project in GitHub.
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Other fields in table \texttt{Project} present some statistical characteristics of a project,
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for example \texttt{fork\_count} is the number of forks.
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\item For each project,
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all the PRs belonged to it are stored in table \texttt{Pull-request}.
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Field \texttt{prj\_id} is the value of \texttt{id} of the project.
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and \texttt{pr\_num}, \texttt{title} and \texttt{description} represent the number label (generated by GitHub),
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the title and the description of a PR respectively.
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Moreover, field \texttt{pr\_num} can be used to uniquely locate a PR in the addressing space of a project in GitHub.
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Fields \texttt{author} and \texttt{created\_at} mean a PR is submitted by the GitHub user named \texttt{author}
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at the time of \texttt{created\_at}.
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\item For a pull-request in Table \texttt{Pull-request},
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comments on it are stored in table \texttt{Comment}.
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For table \texttt{Comment},
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filed \texttt{pr\_id} is the value of \texttt{id} of the pull-request.
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The text content, the creation time and the author of a comment are represented by fields \texttt{content}, \texttt{created\_at},
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and \texttt{author} respectively.
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\item Table \texttt{Duplicate} contains all the duplicate PR-pairs.
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Field \texttt{prj\_id} is the value of \texttt{id} of the project that a pair of duplicate PRs belong to.
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For a pair of duplicate PRs,
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field \texttt{mst\_pr} is the number of the PR that is submitted early
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and filed \texttt{dup\_pr} is the number of the PR that is submitted late.
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Field \texttt{idn\_cmt} is the first indicative comment
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% belonging to \texttt{mst\_pr} or \texttt{dup\_pr},
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that points out the duplicate relation between \texttt{mst\_pr} and \texttt{dup\_pr}.
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\end{itemize}
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