A Study On MARC Bibliographic Data Expansion Based On Social Tag

MARC bibliographic data is the main way to describe the library bibliographic recordsand has a wide range of applications. With the development of network technology, thetraditional MARC is becoming obvious limitations. Now user is not only network informationretrieval and the recipient, but also the organizer and the creator of network information.More and more users tend to take advantage of the freedom to create social tagginginformation. By MARC bibliographic data labels based extension methods can solve thelimitations of traditional MARC to some extent. The first part of this paper is part of thefoundation, including research background, research significance, research methods andrelated research at home and abroad. The second part is the social label associated with theMARC bibliographic data, including the study of social labels, MARC bibliographic data andthe association between the two. The third part is a way to extend MARC bibliographic dataon the basis of the label and is the theoretical basis of empirical analysis. The fourth part is theempirical analysis, obtain a valid MARC bibliographic data and watercress label, and then getthe data for analysis. The fifth part is the conclusion of this article and point out thataccording to the relationship attributes, attribute values can take advantage of social taggingfor MARC bibliographic data expansion.