Hmmm... I might have messed up with the terms. Please bear with me, making my first steps here.
The protocol is actually SRU, not the old style z39.50. Sorry...
> Date: Wed, 14 Oct 2009 10:01:26 +0100 > From: [log in to unmask] > Subject: Re: Returning a "preview" of the searchRetrieve results, instead of the full items > To: [log in to unmask] > > The standard way to do this is using element-sets. When you want to > show a list of summary records, request element-set "b" (brief), and > when you want to display a detailed record, request element-set "f" > (full). > > (By the way, Z39 is a working group within ANSI/NISO. There are other > Z39 standards, including Z39.2, MARC, and Z39.88, OpenURL. So it's a > very bad abbreviation to use for Z39.50.) > > 2009/10/14 Eran gi <[log in to unmask]>: > > Hello, > > > > In our application's built-in search engine, the search process includes 3 > > steps: > > 1. The user executes a query > > 2. A "preview" of the results is presented, containing the items' titles, > > authors etc. > > 3. When an item is selected, the complete record is presented to the user. > > This way, the system does the relatively expensive task of gathering the > > complete item record only upon demand. > > > > The z39.50 protocol consist of only two steps: searching and getting a list > > of complete records. Due to the way our database is designed, converting our > > native format to marcxml, for instance, requires an export operation, which > > is quite heavy. Having to go through with that before the user can even be > > sure the results are indeed what she was looking for could be quite a > > burden. > > > > The only solution I could think of is supplying a non-standard record schema > > in which only a few selected fields would be returned. Then, if the user > > would like to get the complete records, one of the standard schemas would be > > used. Does this comply with the spirit of z39? will the average client > > understand the idea? is there a better way? > > > > Thanks, > > Eran > >
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