Based on the collection of sample data, some common characteristics of knowledge sharing subjects in academic community are found, including the relative stability of identity, the professional quality of communication content and the strict and rational attitude. However, some differences between the communities of humanity-management and engineering-science are also found,such as the source of topics, the language style and the acceptance of knowledge authority. Gini coefficient is introduced to measure the level of imbalance in the community activities. The values show that there is much more imbalance in the humanity-management communities than in the engineering-science ones. The subject construction is analyzed by social network analysis and it is found that both the communities have the low network centralization and the community core is more easily formed in the humanity-management community.
Key words
academic virtual community /
knowledge sharing /
Gini coefficient /
social network analysis
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Footnotes
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