It should be another service. The ZThes work is an excellent basis for an authority service. I've got a personal interest in exposing thesauri through SRU, if anyone is interested in working on it. Ralph > -----Original Message----- > From: Joe Zeeman [mailto:[log in to unmask]] > Sent: Wednesday, January 22, 2003 1:20 PM > To: [log in to unmask] > Subject: Re: Scan > > > Ralph; > > But if we have the navigational aids in our data, why > shouldn't we make > them available through scan? I wouldn't want to require that all > implementations of scan be based on authority data, but I > don't think we > have to explicitly exclude the presentation of search terms based on > authority relationships. Unless you are proposing yet > another service? > > j. > RLG >