Hi Josh,
for the second question you can use a server-side function like this
var g=orient.getGraph();
var query="select name, sum(weigth) from (select weigth,inV().name as name
from (select expand(outE('metadata_of'))";
query+=" from (select from Document where name in " + names + " ))) group
by name";
var list=g.command('sql',query);
return list;
the function has one parameter: names
In your case enter in names ['Doc 1','Doc 3']
Regards,
Alessandro
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