Several of the attendees from the October 30 NISO metasearch workshop gathered later that evening to discuss protocol requirements for metasearch. The meeting was initiated on behalf of the SRW implementors who are trying to understand the protocol requirements for metasearch. [The SRW implementors are trying to understand the IR requirements for metasearch]
The report has a brief appendix noting that Elsevier will be using XML repository with SOAP-based web services for core functions.
