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[RSS Reader] E-R diagram

 

Hi Ladies and Gentlemen,

I've done the E-R diagram of RSS Reader, preview:
[image: 内嵌图片 1]

description:

1. feed is the primary entity, it may contains many "tags" ,
"articles(items)" and necessary attributes;

2. article(item) is the secondary entity, every article(item) has its own
attributes.
I separate article(item) from feed(which has a complete xml include
articles) because the reader doesn't need to read the whole xml content if
the user just wants to read one article, also, the design team will have
more freedom to design the interaction with one article(item);

3. tag, means ... maybe call it "category"   >_<

4. favourite, favourite articles;

* the attachment is a gia source file, pls use Dia(sudo apt-get install
dia) to open it and feel free to discuss :)

PNG image

Attachment: rss.dia
Description: Binary data


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