PURLs (Persistent Uniform Resource Locators) are "Web addresses that act as permanent identifiers in the face of a dynamic and changing Web infrastructure" (PURL Home Page).
When you enter a PURL into a Web browser, a server redirects the browser to the actual current URL. PURLs are permanent, while the addresses that actually appear in the browser location bar fluctuate because of database search sessions, restructuring of data, and other reasons.
Also known as: Permalink; Stable URL; Document URL.
A proxy server allows you to access restricted web resources (such as library databases and the full-text articles or other files within them) based on your affiliation with WOU. When you are using campus computers, the databases let you right in because of your computer's IP number. When you are off-campus or using the wireless network, however, entry into these resources depends on you signing in with your WOU PawPrint.
The URLs for the databases or the individual articles must include a specific prefix to route the request through the proxy server. WOU's proxy prefix is:
For most of the library's restricted resources, the proxy prefix is included and you don't need to do anything special.
In a few instances, you must manually add the proxy prefix to the the resource URL so that it works correctly. Here's how: