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Article History

Received: 19 April 2018

Accepted: 25 June 2018

First Online: 10 July 2018

Authors’ information

: Author 1: Lulu Ma received her Master’s degree in accounting from the Shandong Economic University, Jinan, China, in 2006.After that, she joined in the Shandong Normal University, Jinan, China. Currently, she is a lecture of the department of finance at Shandong Normal University. Her research interests include CSCW and CAD.Author 2: Ke Zhang received his B. S. and M. S. degrees in Shandong Normal University, Jinan, China, in 2013 and 2016, respectively. He is now working at Shandong Pingyin Limited by Share Ltd. of the rural commercial bank. His research interests include CAD and swarm intelligence.Author 3: Dianjie Lu received his Ph.D. degree in computer science from the Institute of Computing Technology, Chinese Academy of Science, in 2012. Currently, he is an associate professor at Shandong Normal University. His research interests include CSCW, swarm intelligence, and cloud computing. His contact information is ludianjie@sina.com.

: The authors declare that they have no competing interests.

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