Open Archives Initiative
Liu, Xiaoming, et.al.. [28]"Federated Searching Interface Techniques for Heterogenous OAI Repositories" [29]Journal of Digital Information 2(4) (May 21, 2002).
(http://jodi.ecs.soton.ac.uk/Articles/v02/i04/Liu/). - The [30]Open Archives Initiative is our latest, best hope for a technology that can knit together access to a variety of dispersed repositories of information. Although the underlying protocol for "crawling" (fetching information from) such repositories is now in place, there remain some thorny issues -- not the least of which is how to handle disparate sets of metadata. In building the [31]ARC Cross Archive Search Service, the authors had to make decisions on how to handle this issue, which they share in this piece. They determined that to federate metadata from disparate sources, no single approach would work well in all cases. One relatively easy method is to use keyword searching, but then any additional functionality offered by well-described metadata is lost. Another approach is to map each set of elements into a common set. Their decisions on how to handle this dilemma (not surprisingly, a hybrid approach), as well as a thorough accounting of the over 1 million records from dozens of archives with which they were working, round out this very informative article. As libraries try to build cross-archive search services, we will need to become very good at dealing with the challenges outlined here, as well as others. This early work should prove helpful. - [32]RT
Current Cites 13(6) (June 2002) ISSN: 1060-2356 Copyright B) 2002 by the Regents of the University of California All rights reserved.
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