Hi Phil,
Two quick questions:
1) Can a Resource have multiple tags applied to it?
2) You want to be able to determine who created a specific tag, right?
If my assumption is correct based on looking at your relational schema, I
would create an edge between the Person and the Tag directly.
-Colin
Orient Technologies
The Company behind OrientDB
On Sunday, March 15, 2015 at 1:25:16 AM UTC-5, Phil wrote:
>
> Hi, I'm just starting out investigating graph databases and OrientDB and
> I'm trying to work out how to best model this scenario:
>
> In my app a user can tag a resource but I also need to know who tagged
> which resource. In a relational database I would simply have a join table
> which can be used to discover which user applied a particular tag. In my
> initial attempt at converting this to a graph model I had 3 vertices for
> Person, Resource and Tag but couldn't work out how to define edges that
> allow me to determine which person applied a tag.
>
> All I could come up with is to add a fourth vertex to represent the actual
> tagging event ('Review' in the schema below).
> Is this how you experts would handle such a scenario or is there a better
> way?
>
>
>
> <https://lh5.googleusercontent.com/-XbURlewkAcM/VQUgcnwlriI/AAAAAAAAA98/qObASq70RjA/s1600/db_schema.png>
>
>
>
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