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From HHB <>
Subject Graphx traversal and merge interesting edges
Date Fri, 04 Jul 2014 09:02:38 GMT
Hello Gurus,

Pardon me I am noob @ Spark & GraphX (& Scala) And I seek your wisdome here..  I want
to know how to do a graph traversal and do selective merge on edges... Thanks to the documentation
:-) I could create a simple graph of employees & their colleagues. The a structure of
Graph is below, where ( ) represent nodes, --[: ]--> represents relationships. I want to
transform the current graph into a useful one.

Given the current graph:

(Alice) --[:works_at]--> (Acme) <--[:works_at]-- (Bob) --[:worked_at]--> (CompanyX)
<--[:works_at]-- (Cindy)

Convert that into:

(Alice) --[:get_feedback_from]--> (Cindy)

So merging " --[:works_at]--> (Acme) <--[:works_at]-- (Bob) --[:worked_at]--> (CompanyX)
<--[:works_at]--  " path, in to an edge with the direction same as --[:worked_at]-->.
I want to preserve other edges of left over vertices.

I want to create a new relation between an employee and his/her colleague's former colleague's.
I could not find example that could help me (may be I have looked at wrong place)... 

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