PERSISTENT URLSWhat? Why?? And How???
Ann BarrettHealth Sciences LibrarianSeptember 1, 2011
Dal Libraries UnZippedLightning Information Sessions for Faculty & Researchers
Ever sent (or posted) a URL to students or colleagues that just wouldn’t work?
• The URL is probably not ‘persistent’, or ‘durable’
WHAT are persistent URLs?• A "persistent link" or a "durable URL" is a link that does
not expire or change over time.
• Persistent links are often used to link to academic articles, search results, or e-books.
• Frequently needed with subscription based resources.
WHY use persistent URLs?• Eliminate the “This link doesn’t work!” syndrome
• Allows you to create URLs that work ON and OFF campus
• Helps you work within fair dealing guidelines
• Keeps you within the license agreement between Dalhousie and the publisher/vendor
• These links should work from year to year in your OWL or course space
HOW to make them? – there are 2 ways
Method 1: from a Dalhousie Libraries database
Any of the Dalhousie Libraries databases offer either
(or both):• A “Permalink” feature to create persistent URLs
• GetIt@Dal button that has a persistent link feature
Online Tutorials:Persistent URLs: What are they? http://libcasts.library.dal.ca/Journals/URL/One/URL1.htmlPersistent URLs: How to make them. http://libcasts.library.dal.ca/Journals/URL/Two/URL2.html
Method 1: Creating persistent URLs
•from Dalhousie databases like…• Proquest• Ebsco • WorldCat Local • Pubmed
Method 2: Creating persistent URLs
•from Dalhousie Libraries eJournals lookup Citation Linker… http://sfxhosted.exlibrisgroup.com/dal/az
Online Tutorials:Persistent URLs: What are they? http://libcasts.library.dal.ca/Journals/URL/One/URL1.htmlPersistent URLs: How to make them. http://libcasts.library.dal.ca/Journals/URL/Two/URL2.html
The problem of long URLs…
Tiny URL http://tinyurl.com/
• can take this…
• and make it into this.
http://aleph1.novanet.ns.ca/F/JGT5UADJTKU4A1FH8K15TTKQAABI7TL4VTVBEV1B1JRDUAF9R4-54086?func=full-set-set&set_number=007098&set_entry=000029&format=999
http://tinyurl.com/3ffknav
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