. Author manuscript; available in PMC: 2019 Sep 27.
Published in final edited form as: IEEE Trans Knowl Data Eng. 2018 Jan 17;30(8):1440–1453. doi: 10.1109/TKDE.2018.2794384
For information on obtaining reprints of this article, please send, reprints@ieee.org, and reference the Digital Object Identifier below. Digital Object Identifier no. 10.1109/TKDE.2018.2794384