Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Link Maintenance in a Web-accessible OPAC

906 views

Published on

This is a short presentation from 1999 about link maintenance in the a web based opac. Really old but might be of interest by robin fay, georgiawebgurl@gmail.com.

Published in: Technology, Business
  • Be the first to comment

  • Be the first to like this

Link Maintenance in a Web-accessible OPAC

  1. 1. Link Maintenance in a Web-accessible OPAC <ul><li>Robin Fay </li></ul><ul><li>Discovering invalid 856s </li></ul><ul><li>Determining appropriate action </li></ul><ul><li>Implementing a plan </li></ul>
  2. 2. <ul><li>The 856 field provides a hyperlink to online articles & journals </li></ul><ul><li>Help! It’s not there! </li></ul><ul><li>Discovering missing URLs </li></ul><ul><ul><li>Patrons, Staff </li></ul></ul><ul><ul><li>Reports </li></ul></ul>Link Maintenance in a Web-accessible OPAC
  3. 3. <ul><li>Reasons for invalid 856s are often temporary </li></ul><ul><ul><li>Server errors </li></ul></ul><ul><ul><li>Network problems including internet security (e.g., firewalls) </li></ul></ul><ul><ul><li>Timeout problems due to too much strain on bandwidth </li></ul></ul><ul><ul><li>Access requirements/site licenses </li></ul></ul><ul><ul><li>Site maintenance </li></ul></ul>Link Maintenance in a Web-accessible OPAC
  4. 4. <ul><li>Reasons for invalid 856s can be permanent </li></ul><ul><ul><li>Vendor problems </li></ul></ul><ul><ul><li>Site has moved </li></ul></ul><ul><ul><li>Site is no longer published </li></ul></ul>Link Maintenance in a Web-accessible OPAC
  5. 5. <ul><li>Resolving invalid 856s </li></ul><ul><ul><li>Independent URL checking software (LinkBot, Link Sleuth) </li></ul></ul><ul><ul><li>Reports generated from the library catalog </li></ul></ul><ul><ul><li>Human intervention </li></ul></ul><ul><ul><ul><li>verify that bad links need to be corrected </li></ul></ul></ul>Link Maintenance in a Web-accessible OPAC
  6. 6. <ul><li>Other issues </li></ul><ul><ul><li>Resolving 856s where the content has changed </li></ul></ul><ul><ul><li>Consistency of information displayed in the OPAC from the 856 </li></ul></ul><ul><ul><ul><li>Pre-URL($u) are invisible to a large variety of OPACS </li></ul></ul></ul><ul><ul><ul><li>Consistency of labeling the 856 information in the OPAC </li></ul></ul></ul><ul><ul><ul><ul><li>Different vendors do different things </li></ul></ul></ul></ul>Link Maintenance in a Web-accessible OPAC
  7. 7. <ul><li>The importance of link maintenance </li></ul><ul><li>In 1998, GPO which has approximately 8,000 records with MARC 856 fields found in a test of last used URLs discovered that more than 20% were either bad or no longer useful </li></ul>Link Maintenance in a Web-accessible OPAC
  8. 8. Selected Bibliography <ul><li>URLS, PURLS, & TRULS: Link maintenance in the Web-accessible OPAC, Tyler, Computers in the Library, http://www.du.edu/!ttyler/cil99/proceedings.htm </li></ul><ul><li>Precoordination Unnecessary in LCSH?Are Web Sites More Important to Catalog </li></ul><ul><li>than Books? A Reference Librarian's Thoughts on the Future of Bibliographic Control, Thomas Mann, http://lcweb.loc.gov/catdir/bibcontrol/mann_paper.html </li></ul><ul><li>Making room for MARC in a Dublin Core world, Medeiros, Norm. Online, Nov. 1999, http://www.onlineinc.com/onlinemag/OL1999/medeiros11.html </li></ul>

×