I once put all of the LCSH headings into a local Solr index and used
TermsComponent to power autosuggest.  It was really fast.

Ethan


On Wed, Jun 5, 2013 at 12:47 PM, Joshua Welker <[log in to unmask]> wrote:

> I realized since I made that comment that the API is designed to give the
> top 10 subject heading suggestions rather than all of them.
>
> So that part is fine. But I am once again unsure if the API will work for
> me. I am creating a mashup of several data sources for my auto-suggest
> feature, and I am having a hard time dynamically adding the results from
> the LOC Suggest API to the existing collection of data that is used to
> populate my jQuery UI Autocomplete field. Ideally, I'd like to be able to
> have all the LC Subject Heading data cached on my server so that I can
> build my autocomplete data source one time rather than having to deal with
> dynamically adding, sorting, etc. But then the problem I run into is that
> the LCSH master file is so big that it basically crashes the server.
>
> That's why I'm thinking I might have to give up on this project.
>
> Josh Welker
>
>
> -----Original Message-----
> From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of
> Michael J. Giarlo
> Sent: Wednesday, June 05, 2013 9:59 AM
> To: [log in to unmask]
> Subject: Re: [CODE4LIB] LOC Subject Headings API
>
> Josh,
>
> Can you say more about how the API isn't behaving as you expected it to?
>
> -Mike
>
>
>
> On Wed, Jun 5, 2013 at 10:37 AM, Joshua Welker <[log in to unmask]> wrote:
>
> > I went with this method and made some good progress, but the results
> > the API was returning were not what I expected. I might have to give
> > up on this project.
> >
> > Josh Welker
> >
> >
> > -----Original Message-----
> > From: Code for Libraries [mailto:[log in to unmask]] On Behalf
> > Of Ethan Gruber
> > Sent: Wednesday, June 05, 2013 8:22 AM
> > To: [log in to unmask]
> > Subject: Re: [CODE4LIB] LOC Subject Headings API
> >
> > You'd write some javascript to query the service with every keystroke,
> e.g.
> > http://id.loc.gov/authorities/suggest/?q=Hi replies with subjects
> > beginning with "hi*"  It looks like covo.js supports LCSH, so you
> > could look into that.
> >
> > Ethan
> >
> >
> > On Wed, Jun 5, 2013 at 9:13 AM, Joshua Welker <[log in to unmask]>
> wrote:
> >
> > > This would work, except I would need a way to get all the subjects
> > > rather than just biology. Any idea how to do that? I tried removing
> > > the querystring from the URL and changing "Biology" in the URL to ""
> > > with no success.
> > >
> > > Josh Welker
> > >
> > >
> > > -----Original Message-----
> > > From: Code for Libraries [mailto:[log in to unmask]] On Behalf
> > > Of Michael J. Giarlo
> > > Sent: Tuesday, June 04, 2013 7:05 PM
> > > To: [log in to unmask]
> > > Subject: Re: [CODE4LIB] LOC Subject Headings API
> > >
> > > How about id.loc.gov's OpenSearch-powered autosuggest feature?
> > >
> > > mjg@moby:~$ curl http://id.loc.gov/authorities/suggest/?q=Biology
> > > ["Biology",["Biology","Biology Colloquium","Biology Curators'
> > > Group","Biology Databook Editorial Board (U.S.)","Biology and Earth
> > > Sciences Teaching Institute","Biology and Management of True Fir in
> > > the Pacific Northwest Symposium (1981 : Seattle, Wash.)","Biology
> > > and Resource Management Program (Alaska Cooperative Park Studies
> > > Unit)","Biology and behavior series","Biology and environment
> > > (Macmillan Press)","Biology and management of old-growth
> > > forests"],["1
> > > result","1 result","1 result","1
> > > result","1 result","1 result","1 result","1 result","1 result","1
> > > result"],["http://id.loc.gov/authorities/subjects/sh85014203","
> > > http://id.loc.gov/authorities/names/n79006962","
> > > http://id.loc.gov/authorities/names/n90639795","
> > > http://id.loc.gov/authorities/names/n85100466","
> > > http://id.loc.gov/authorities/names/nr97041787","
> > > http://id.loc.gov/authorities/names/n85276541","
> > > http://id.loc.gov/authorities/names/n82057525","
> > > http://id.loc.gov/authorities/names/n90605518","
> > > http://id.loc.gov/authorities/names/nr2001011448","
> > > http://id.loc.gov/authorities/names/no94028058"]]
> > >
> > > -Mike
> > >
> > >
> > >
> > > On Tue, Jun 4, 2013 at 7:51 PM, Joshua Welker <[log in to unmask]>
> > wrote:
> > >
> > > > I did see that, and it will work in a pinch. But the authority
> > > > file is pretty massive--almost 1GB-- and would be difficult to
> > > > handle in an automated way and without completely killing my web
> > > > app due to memory constraints while searching the file. Thanks,
> though.
> > > >
> > > > Josh Welker
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Bryan Baldus [mailto:[log in to unmask]]
> > > > Sent: Tuesday, June 04, 2013 6:39 PM
> > > > To: Code for Libraries; Joshua Welker
> > > > Subject: RE: LOC Subject Headings API
> > > >
> > > > On Tuesday, June 04, 2013 6:31 PM, Joshua Welker
> > > > [[log in to unmask]]
> > > > wrote:
> > > > >I am building an auto-suggest feature into our library's search
> > > > >box, and
> > > > I am wanting to include LOC subject headings in my suggestions list.
> > > > Does anyone know of any web service that allows for automated
> > > > harvesting of LOC Subject Headings? I am also looking for name
> > > authorities, for that matter.
> > > > Any format will be acceptable to me: RDF, XML, JSON, HTML, CSV...
> > > > I have spent a while Googling with no luck, but this seems like
> > > > the sort of general-purpose thing that a lot of people would be
> > > > interested
> > in.
> > > > I feel like I must be missing something. Any help is appreciated.
> > > >
> > > > Have you seen http://id.loc.gov/ with bulk downloads in various
> > > > formats at http://id.loc.gov/download/
> > > >
> > > > I hope this helps,
> > > >
> > > > Bryan Baldus
> > > > Senior Cataloger
> > > > Quality Books Inc.
> > > > The Best of America's Independent Presses
> > > > 1-800-323-4241x402
> > > > [log in to unmask]
> > > > [log in to unmask]
> > > > http://home.comcast.net/~eijabb/
> > > >
> > >
> >
>