Li Lin
图书与情报. 2011, 31(04): 58-61.
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As an implement of semantic net, linked data describes a method that publishing, sharing and link kinds of web sources by the linkable URI. Linked data means making association of data in different fields by linking distributed heterogeneous data on the net. Enterprises and government have valued its application and research since the conception appeared. Many libraries, such as Library of Congress and National Library of Sweden, are involved and provide choices and assistance for libraries in semantic service and expansion of service sources. But for deeper application of library, linked data is facing challenges in some fields, just like user interaction, data integrity, link maintenance, privacy protection.