Hi Andy,
ArangoDB is definitely suitable as backend for online stores, see the
AboutYou.de case study:
https://www.arangodb.com/case-studies/aboutyou-data-driven-personalization-with-arangodb/
If I'm not mistaken, relations between nodes in Neo4j are closely following
the concept of a labelled graph.
In ArangoDB, relations (called edges) are full documents like the vertex
nodes they link from and to.
This means you can store complex data on the edges themselves, so an
arbitrary number of key-value pairs
and as many levels of nesting you need. An edge could look like this for
instance:
{
"_key": "x12345",
"_id": "bought/x12345",
"_rev": "345",
"_from": "users/johndoe67",
"_to": "products/tv-cnts-r40",
"soldOn": "2016-04-02T11:34:42.356Z",
"rating": {
"quality": 8,
"features": 7,
"service": 6
}
}
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