I came across a real-world example recently that seems to cry out for 
"normal" edges with properties (as opposed to lightweight edges): The 
simplified version is a list of people and the companies they have worked 
for. It seems to me that an edge class between person and company classes 
with "start date" and "end date" properties (and maybe a "reason for 
leaving" property) would be ideal for this. I'm still relatively new to 
OrientDB and graph databases in general, so I'm wondering if there is a 
better/preferred way to do this (or even an alternative)? I can envision a 
model with an "employment" vertex as well, using lightweight edges to 
connect people---employment---company, where the employment vertex would 
have the date and other properties for a given employment period. Is this 
"better"? Worse? Why?
--Eric

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