>>Put a breakpoint at a point where you're executing a query against _siriusContext and look at the Type
>
>I don't see Type property (what exactly should I be looking for)? but I see
>
>_provider = {System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider}
>
>Is it helpful?

Elinq impies that Linq is using Linq to Entities in this case.