I. Iec, 11179-2 Information technology?Metadata registries (MDR)?Part 3: Registry metamodel and basic attributes, 2003.

W. Liu and F. Bao, Representation Method of Intelligent Transport Systems(ITS) Data Elements, Transport Standardization[J], 2011.

J. Nogueras-iso, F. J. Zarazaga-soria, J. Lacasta, R. Bé-jar, and P. R. Muro-medrano, Metadata standard interoperability: application in the geographic information domain. Computers, Environment and Urban Systems, J], 2004.

Y. Liu, Study on the Standardized model of data element, Science & Technology Information[J], 2010.

K. M. Hüner, B. Otto, and H. Österle, Collaborative management of business metadata, International Journal of Information Management[J], 2011.

Y. Lin, Traffic Scientific Data Design Based on Data Elements Technology, Science Technology and Engineering[J], 2011.

B. Wu, Study on ecological metadata and its standard, 2010.

Y. Ouyang, L. Yao, and C. Dai, Data Element Distill Method on Demand-oriented of Information System, Computer Engineering[J], 2006.

H. Wei and J. Zhang, The Definition and Application of Data Element in E-government Affair Standards System, Information Technology & Standardization[J], 2004.