世界史研究外文数据库：基于国内馆藏的调研

Abstract:There are a total of 1146 databases in China，of which commercial databases account for about 75%，and free Internet resources account for about 25%.They differ in publication types such as books，periodicals，dissertations，conference papers，newspapers，and archives etc of which archives databases are the most，totaling 544.When classified by disciplines，877 are of “K category：history and geography”，of which “K712，the United States” has the largest number，totaling 260 species.Before using these enormous databases，we should first do naming and qualitative work，that is to have a clear understanding of the name，nature and scope of a database.When the research theme is set up，we can establish a thematic database list according to the main subject attributes（country，time period），keyword index，and comprehensive category database，etc.

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