From e16bfe45990209ee1fb76ee4579f17379369d109 Mon Sep 17 00:00:00 2001
From: Ian Wong <yiheng.wang@intel.com>
Date: Wed, 19 Jul 2017 00:19:56 -0500
Subject: [PATCH] Graph doc (#1275)

* Add Input docs

* fix bugs

* meet code review