[an error occurred while processing this directive]
ISSN 1002-0314　CN 11-1448/G3
Knowledge Structure Evolution of Open Data Research
Tao Yi Ma Haiqun
Information and Documentation Services . 2017, (4): 30 -35 . 

[an error occurred while processing this directive]
Tel: 010-62514977,62512296　
E-mail：qingbaoziliao@263.net
Powered by Beijing Magtech Co. Ltd,.
Visited
    Total visitors:
    Visitors of today:
    Now online:
×

Share

Copyright © Information and Documentation Services, All Rights Reserved.