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On Jul 28, 2004, at 9:05 AM, Eric Lease Morgan wrote: > On the other hand, Ed Summers, who is participating in the NSF OCKHAM > Project, is in the beginnings of writing an SRU client/server module > in Perl. Included in this work will be some sort of CQL parser, again, > written in Perl. Ed, will you please elaborate on the work you've done > to date and what you will be doing in Phase II? As you may or may not know, Ed Summers (author of Net::OAI::Harvester, significant contributor to MARC::Record, and Perl programmer extrordinaire) has been working with us at Notre Dame to implement the OCKHAM alerting service where SRU plays a significant role. He has all but completed Phase I of the task -- harvesting data from OAI providers as well as sets of MARC records. In short, Ed has created a set of Perl modules called Ockham::Alert. The modules do a number of things: * Given the URLs of OAI repositories and dates, the modules harvest OAI data no older than the given date and save the data to a central store (relational database of just about any flavor). * Given an XML file of his design, the modules import data and save it to the central store too. Implementors are expected to convert local files, such a MARC records, into these XML files to support "new" items from library catalogs or other databases. (We might move this XML format to a more standard XML flavor such as RDF, METS, or something else.) * The modules can send their content to two different applications (plucine or swish-e) for indexing. The next step, Phase II, will be the creation of Perl modules implementing an SRU client/server interface to the indexes. This will also involve the creation of a Perl module parsing CQL queries. Phase III, will be the creation of scripts gluing the results of Phase I and Phase II into end-user and administrative interfaces. Ed is on time and under budget. Good work! -- Eric Lease Morgan University Libraries of Notre Dame