Friday, April 20, 2007

Framework for Improving Link Resolver Systems

In 2006, UKSG funded a research project to explore the industry context of link resolvers and the chain of serials delivery in hopes of describing some of the issues and laying the groundwork for their future resolution. James Culling, Online Project Manager at Oxford University Press presented the report on the research conducted by Scholarly Information Strategies. (NB – The SIS consulting company led by Simon Inger and Chris Beckett recently disbanded, although they are finishing the report on this project for UKSG.)

When a user conducts a search, either in a traditional A&I database, a federated search, Google Scholar, or clicks through a reference link via the CrossRef system, the essential metadata about the object is passed via an OpenURL to a link resolver system, such as those available from ExLibris, Serials Solutions, Innovative Interfaces, and Openly Informatics. At the heart of each of these systems is a core “Knowledge Base” which provides the context to the OpenURL, comparing it to issue availability data, library holdings information and providing a variety of linking options to the content that was searched. The user is than directed to the content that is available to the content available through his/her institutional subscription.

While these systems work extremely well in the vast majority of cases, they are not without significant inefficiencies and inaccuracies. Much of this is due to the complexity of the distributed supply chain of this information. Link resolver providers (each of which has its own data system, structure, and ingest methodology) receive information from publishers and subscription agents, who provide data on publication release, collections, locations, etc. Frequently, this transfer process requires normalization and quality control review, which add to the complexity and opportunity for error. The library in turn needs to provide holdings and subscription information from their own library systems in order to customize the resolver to match their holdings.

Through a series of conversations with publishers, resolver-systems suppliers and librarians, the research has pointed to some issues and barriers that are inhibiting the deployment and use of these systems. Among the issues identified by SIS were: a lack of awareness that significant issues persist and a lack on cooperation in solving those issues; inaccurate or incomplete data; a lack of procedures for transferring titles; lack of data format and transfer standards; and a communal responsibility for data quality. While OpenURL compliance is growing rapidly, there will need to be broader understanding of the role of OpenURL and how it interacts with other necessary information transfers to facilitate the discovery and delivery of content.

Initial recommendations were suggested and may be explored by UKSG and the community. Much like Project COUNTER, a code of practice might be developed which will address Knowledge Base compliance regarding which information is provided and it what formats. Such a code of practice might certify compliance in areas of format, delivery method, timing and OpenURL compliance among the key organizations in this process, publishers, subscription agents, and resolver suppliers. There might also be areas of standards, which could be developed or expanded to improve this information exchange, such as current work led by EDItEUR on ONIX for Serials Holdings, or possibly a NISO SUSHI equivalent for holdings information.

The final report will be provided to the UKSG Board during their May meeting and the report will likely be posted to the UKSG website sometime shortly thereafter. A summary article is also being prepared for the July issue of Serials. Hopefully, as many other similar UKSG research projects have done, this work will lead to significant outcomes that will improve information exchange.

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5 Comments:

Blogger Bev Acreman said...

You can now see the full report at http://www.uksg.org/projects/linkfinal

5:10 pm  
Anonymous MadLibrarian said...

I'm thrilled that you are addressing this topic. I haven't yet had a chance to read through the whole report, but as a librarian who has worked a great deal with the content in the SFX KnowledgeBase, I am disgusted with it's inaccuracy and lack of currency and would love to see a movement toward standardization so that we can all move towards a solution that benefits the librarian profession and library users.

10:48 pm  
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4:28 am  

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