Z. Yigang, A Review of Dynamic Knowledge Management Under Semantic Web, Journal of Modern Information, issue.9, pp.166-170, 2014.

H. Zengyang, HNC theory summary, Journal of Chinese Information Process, pp.12-21, 1997.

H. Zengyang and . Hnc, Hierarchical Network Concepts)theory[M], 1998.

L. Shanshan and W. Yu, Retrieval of Periodical Literature Knowledge Element Based on Hierarchical Network of Concepts Theory, Journal of Intelligence, vol.201332, issue.9, pp.190-194

Z. Shouxue and Y. Bo, Construction method of knowledge base based on ontology, pp.45-46, 2014.

Y. Jianyan, Construction and Application of Agricultural Word Knowledge base of HCN[J] Beijing: The Second International Seminar on Computer and Computing Technologies in Agriculture " and "The Second China Development Forum of rural information, 2008.

M. Chuanjiang, The research of HNC sentence category knowledge Beijing: Institute of Acoustics of Chinese Academy of Sciences PhD thesis, 2001.

. Jinyaohong, The language understanding technology and its application of Hierarchical Network Concepts (HNC)[J], Journal of Yunan Normal University (Philosophy and Social Sciences, vol.42, issue.4, pp.19-23, 2010.

W. Chuan and L. Shangwang, Study on Construction of Ontology Knowledge Base for Wheat-weed, pp.42138-142, 2014.