ddm/hw01/graph_diagram.dot

digraph D {
    Publication [shape="box",label=<
        <table border="0" cellborder="0" cellspacing="10" cellpadding="0">
            <tr><td bgcolor="lightblue" colspan="5"><b>   <br/>:Publication<br/>   </b></td></tr>
            <tr><td align="center" colspan="5">id: <i>int</i></td></tr>
            <tr><td align="center" colspan="5">year: <i>int</i></td></tr>
            <tr><td align="center" colspan="5">title: <i>string</i></td></tr>     
            <tr>
            <td colspan="1">
                <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
                    <tr><td bgcolor="lightblue"><b>:Article</b></td></tr>
                    <tr><td align="left">references: <i>string</i></td></tr>
                    <tr><td align="left">metadataVersion: <i>string</i></td></tr>
                    <tr><td align="left">pagesInJournal: <i>"[int]-[int]"</i></td></tr>
                    <tr><td align="left">volume: <i>string</i></td></tr>
                </table>
            </td>
            <td colspan="1">
                <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
                    <tr><td bgcolor="lightblue"><b>:Book</b></td></tr>
                    <tr><td align="left">isbn: <i>string</i></td></tr>
                    <tr><td align="left">metadataVersion: <i>string</i></td></tr>
                    <tr><td align="left">pages: <i>"[int]-[int]"</i></td></tr>
                    <tr><td> </td></tr>
                </table>
            </td>
            <td colspan="1">
                <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
                    <tr><td bgcolor="lightblue"><b>:MastersThesis</b></td></tr>
                    <tr><td align="left">metadataVersion: <i>string</i></td></tr>
                    <tr><td align="left">references: <i>string</i></td></tr>
                    <tr><td> </td></tr>
                    <tr><td> </td></tr>
                    </table>
            </td>
            <td colspan="1">
                <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
                    <tr><td bgcolor="lightblue"><b>:MastersThesis</b></td></tr>
                    <tr><td align="left">metadataVersion: <i>string</i></td></tr>
                    <tr><td align="left">references: <i>string</i></td></tr>
                    <tr><td align="left">pagesInJournal: <i>"[int]-[int]"</i></td></tr>
                    <tr><td align="left">volume: <i>string</i></td></tr>
                </table>
            </td>
            <td colspan="1">
                <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
                    <tr><td bgcolor="lightblue"><b>:WWW</b></td></tr>
                    <tr><td align="left">references: <i>string</i></td></tr>
                    <tr><td align="left">metadataVersion: <i>string</i></td></tr>
                    <tr><td align="left">pagesInJournal: <i>"[int]-[int]"</i></td></tr>
                     <tr><td align="left">url: <i>string</i></td></tr>
                </table>
            </td>
            </tr>
        </table>
    >]
    
    Author [shape="box", label=<
        <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
            <tr><td bgcolor="lightblue"><b>:Author</b></td></tr>
            <tr><td align="left">id: int</td></tr>
            <tr><td align="left">name: string</td></tr>
        </table>
    >]
    Editor [shape="box", label=<
        <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
            <tr><td bgcolor="lightblue"><b>:Editor</b></td></tr>
            <tr><td align="left">id: int</td></tr>
            <tr><td align="left">name: string</td></tr>
        </table>
    >]
    Publisher [shape="box", label=<
        <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
            <tr><td bgcolor="lightblue"><b>:Publsher</b></td></tr>
            <tr><td align="left">id: int</td></tr>
            <tr><td align="left">name: string</td></tr>
        </table>
    >]
    Journal [shape="box", label=<
        <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
            <tr><td bgcolor="lightblue"><b>:Journal</b></td></tr>
            <tr><td align="left">id: int</td></tr>
            <tr><td align="left">name: string</td></tr>
        </table>
    >]
    School [shape="box", label=<
        <table border="0" cellborder="0" cellspacing="0" cellpadding="0">
            <tr><td bgcolor="lightblue"><b>:School</b></td></tr>
            <tr><td align="left">id: int</td></tr>
            <tr><td align="left">name: string</td></tr>
        </table>
    >]

    Publication -> Author [label=" :AUTHORED_BY\n(1 or many)"]
    Publication -> Editor [label=" :EDITED_BY\n(0 or 1)"]
    Publication -> Publisher [label=" :PUBLISHED_BY\n(0 or 1)"]
    Publication -> Journal [label=" :PUBLISHED_IN\n(0 or 1)"]
    Publication -> School [label=" :SUBMITTED_AT\n(0 or many)"]

}