it would be listVertices.contains(vid) wouldn't it?
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Robin East
Spark GraphX in Action Michael Malak and Robin East
Manning Publications Co.
http://www.manning.com/books/spark-graphx-in-action
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Yes, the subgraph operator takes a vertex predicate and keeps only the
edges where both vertices satisfy the predicate, so it will work as long as
you can express the sublist in terms of a vertex predicate.
If that's not possible, you can still obtain the same effect, but you'll
have to use lower-
