links for 2008-05-30

Earlier this week OCLC announced xOCLCNUM, which is like xISBN except that instead of giving it an ISBN and getting back related ISBNs, you give it an OCLC number and get back related OCLC numbers.

The xOCLCNUM Web service is released as part of xISBN service. Submit an OCLC number to this service, and it returns a list of related OCLC numbers and selected metadata. The service is based on WorldCat, the world's largest network of library content…

DUBLIN, Ohio, USA, 28 February 2008—The National Library of China, the largest library in Asia, will add its bibliographic records to the OCLC WorldCat database

“数字对象唯一标识（DOI）研讨会”

一是这些方式有即时性，过后查询不是特别方便；二是这些方式资源整合的能力弱，比如我们目前的政府官方网站，大都只具备简单的搜索功能，相关信息难以整合出来。