---
langs: en
tags: cofacts
GA: UA-98468513-3
title: Cofacts Entity-Relationship Model (ER Model)
description: Updated at 2020/5/7
---

graph mappings{
  rankdir=LR;
  node[shape=record];

  replyrequests [label=
    <Reply Request
    |
    <FONT point-size="10">Record of a user wants<BR />an article to be replied</FONT>
    >
  ]
  
  replyrequestfeedbacks [label=<
    Reply Request Feedback
    |
    <FONT point-size="10">User feedback voting toward<BR />a reply request</FONT>
    >
  ]
  
  articlereplies [label=<
    Article-Reply
    |
    <FONT point-size="10">N-N mapping connecting<BR />an article and a reply </FONT>
    >
  ]
  
  articlereplyfeedbacks [label=<
    Article-Reply Feedback
    |
    <FONT point-size="10">User feedback voting toward<BR />an article-reply</FONT>
    >
  ]

 articlecategories [label=<
    Article-Category
    |
    <FONT point-size="10">N-N mapping connecting<BR />an article and a category </FONT>
    >
  ]

  articlecategoryfeedbacks [label=<
    Article-Category Feedback
    |
    <FONT point-size="10">User feedback voting toward<BR />an article-category</FONT>
    >
  ]
  
  replies [label=<
    Reply
    |
    <FONT point-size="10">Editor reply to the message</FONT>
    >
    color="DARKGREEN"
  ]
  
  articles [label=<
    Article
    |
    <FONT point-size="10">User-reported suspicious message</FONT>
    >
    color="CRIMSON"
  ]
  
  categories[label=<
    Category
    |
    <FONT point-size="10">Topic label</FONT>
    >
  ]
  
  articles -- replyrequests [headlabel="n",taillabel="1"];
  replyrequests -- replyrequestfeedbacks [headlabel="n",taillabel="1"];

  articles -- articlereplies [headlabel="n",taillabel="1"];
  articlereplies -- replies [headlabel="1",taillabel="n"];
  articlereplies -- articlereplyfeedbacks [headlabel="n",taillabel="1"];


  articles -- articlecategories [headlabel="n",taillabel="1"];
  articlecategories -- categories [headlabel="1",taillabel="n"];
  articlecategories -- articlecategoryfeedbacks [headlabel="n",taillabel="1"];
}