[Web4lib] Faceted navigation as metasearch

[Leslie Johnston]

Central Search from Serials Solutions has Vivisimo clustering in a 
release that became available late last year.

http://www.serialssolutions.com/promotion/centralsearch.asp

At 05:13 PM 1/2/2007, Walker, David wrote:
> >> Anyone know a system that can do this?
>
>Version 4.0 of Metalib [1], due out this spring, will include 
>clustering using the Visimo clustering engine [2], which creates 
>facets on the fly.
>
>
> >> I think that pulling in all (or even some)
> >> of the retrieved records and creating the
> >> facets on the fly would be prohibitively slow.
>
>I agree that pulling back all of the results would be prohibitive.
>
>Metalib pulls back the top 30 results from each database.  I haven't 
>seen the new clustering in action yet, but I don't think 
>constructing the facets would take too much time.  Certainly, the 
>demo on the Vivisimo site is quick.
>
>
>[1] http://www.exlibrisgroup.com/metalib.htm
>
>[2] http://vivisimo.com/
>
>
>--Dave
>
>-------------------
>
>David Walker
>Library Web Services Manager
>California State University
>http://xerxes.calstate.edu
>
>________________________________
>
>From: web4lib-bounces at webjunction.org on behalf of Karen Coyle
>Sent: Sat 12/30/2006 11:03 AM
>To: kgs at bluehighways.com
>Cc: web4lib at webjunction.org
>Subject: Re: [Web4lib] Faceted navigation as metasearch
>
>
>
>Karen, The problem with metasearch is that you're working with retrieved
>sets -- and with the data in different formats. It would be great to
>have some kind of standard set of facets and have those included as part
>of the initial query reply (date, broad subject categories, etc.). I
>know that the UC "Searchlight" metasearch was designed to pull back
>retrieval numbers and display the numbers from each database that
>replied. Think of how much more useful it would be to get more than just
>a number. The records themselves wouldn't be retrieved until the user
>initiates a display.
>
>I think that pulling in all (or even some) of the retrieved records and
>creating the facets on the fly would be prohibitively slow. Anyone know
>a system that can do this?
>
>kc
>
>K.G. Schneider wrote:
> > One idea I heard recently had to do with using faceted navigation search
> > engines for metasearch. I've been mulling this over, particularly after
> > rereading Karen Calhoun's "Changing Nature of the Catalog"
> > (www.loc.gov/catdir/calhoun-report-final.pdf  ) and really, I'm trying to
> > figure out if there's much wrong with this idea.
> >
> > Consider using a tool (Endeca, Siderean, FAST, i411, Dieselpoint-full
> > disclosure: we implemented Siderean at my FPOW) that lies above the catalog
> > and all other discovery services and provides access to ETDs, book data,
> > journal articles, and more, ecumenically searched but parsed out logically
> > in post-coordination. In fact, I'm wondering if NCSU and other 
> libraries now
> > on the faceted-navigation bandwagon are looking at moving in this 
> direction.
> >
> > I do see one biggy. These search engines are themselves pretty
> > lickety-split, but I wonder how slow retrieval would get if they were
> > accessing separate journal and database services (versus what they do now,
> > which is search their own pre-built indexes...). In some cases, it might be
> > easy to create an index (e.g. if we have ETDs, I don't see why 
> they can't be
> > indexed). But journal articles? Pondering again... though if they were
> > accessing resources such as Google Scholar and then tying everything back
> > in...
> >
> > Karen G. Schneider
> > Acting Associate Director of Libraries for Technology & Research
> > Florida State University
> > Email/AIM: kschneider at mailer.fsu.edu
> > Blog: http://quodvide.wordpress.com
> > Phone: 850-644-5214
> > Cell: 850-590-3370
> >
> > _______________________________________________
> > Web4lib mailing list
> > Web4lib at webjunction.org
> > http://lists.webjunction.org/web4lib/
> >
> >
> >
>
>--
>-----------------------------------
>Karen Coyle / Digital Library Consultant
>kcoyle at kcoyle.net http://www.kcoyle.net
>ph.: 510-540-7596
>fx.: 510-848-3913
>mo.: 510-435-8234
>------------------------------------
>
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------------
Leslie Johnston
Head, Digital Access Services
University of Virginia Library
http://lib.virginia.edu/digital/
http://lib.virginia.edu/digital/das/
johnston at virginia.edu