问题描述
国会图书馆有一个按 ISBN 搜索书籍的网站.检索图书信息的一种简单方法是使用如下网址:
The Library of Congress has a site to search books by ISBN. A simple way to retrive book's information is using a URL like:
http://lccn.loc.gov/2009019559/mods
它返回一个可以轻松解析的 XML 结构.该 URL 需要采用以下格式的唯一 LCCN 编号:
where it returns a XML structure that may parse easily. The URL requires a unique LCCN number in the the following format:
http://lccn.loc.gov/[lccn]/mods
我有一批用条形码编码 ISBN 的书.如何检索/将 ISBN 转换为 LCCN 以检索图书的 XML 数据?
I have a batch of books that has ISBN encoded in barcode. How may I retrieve/convert ISBN to LCCN in order to retrieve the XML data of the book?
推荐答案
您可以使用国会图书馆的 SRU 目录.查询看起来像这样:
You can use the SRU catalog from the Library of Congress. The query would look something like this:
lx2.loc.gov:210/lcdb?version=1.1&operation=searchRetrieve&query=bath.isbn=[ISBN]&maximumRecords=1&recordSchema=mods
lx2.loc.gov:210/lcdb?version=1.1&operation=searchRetrieve&query=bath.isbn=[ISBN]&maximumRecords=1&recordSchema=mods
将 [ISBN] 替换为您要查找的 ISBN
Replacing [ISBN] with the ISBN you want to look up
在该响应中包含一个 LCCN 元素.但是，目录已经返回MODS，所以可能根本不需要做任何事情.
Within that response is an LCCN element. However, the catalog already returns MODS, so it might not be necessary to do anything at all.
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