 |
 |
All *.loc.gov web sites will be "closed," including the two you quoted. The Internet Archive's Way Back Machine is probably your best bet for these types of things: http://web.archive.org/web/*/http://www.loc.gov/marc/ http://web.archive.org/web/*/http://www.loc.gov/standards/sourcelist/index.html Yours, Kevin -- Kevin Ford Network Development and MARC Standards Office Library of Congress Washington, DC > -----Original Message----- > From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of > Becky Yoose > Sent: Monday, September 30, 2013 4:32 PM > To: [log in to unmask] > Subject: Re: [CODE4LIB] [CODE4LIB] HEADS UP - Government shutdown will > mean *.loc.gov is going offline October 1 > > FYI - this also means that there's a very good chance that the MARC > standards site [1] and the Source Codes site [2] will be down as well. > I > don't know if there are any mirror sites out there for these pages. > > [1] http://www.loc.gov/marc/ > [2] http://www.loc.gov/standards/sourcelist/index.html > > Thanks, > Becky, about to be (forcefully) departed with her standards > documentation > > > On Mon, Sep 30, 2013 at 11:39 AM, Jodi Schneider > <[log in to unmask]>wrote: > > > Interesting -- thanks, Birkin -- and tell us what you think when you > get it > > implemented! > > > > :) -Jodi > > > > > > On Mon, Sep 30, 2013 at 5:19 PM, Birkin Diana <[log in to unmask] > > >wrote: > > > > > > ...you'd want to create a caching service... > > > > > > > > > One solution for a relevant particular problem (not full-blown > > linked-data > > > caching): > > > > > > http://en.wikipedia.org/wiki/XML_Catalog > > > > > > excerpt: "However, if they are absolute URLs, they only work when > your > > > network can reach them. Relying on remote resources makes XML > processing > > > susceptible to both planned and unplanned network downtime." > > > > > > We'd heard about this a while ago, but, Jodi, you and David Riordan > and > > > Congress have caused a temporary retreat from normal sprint-work > here at > > > Brown today to investigate implementing this! :/ > > > > > > The particular problem that would affect us: if your processing > tool > > > checks, say, an loc.gov mods namespace url, that processing will > fail if > > > the loc.gov url isn't available, unless you've implemented xml > catalog, > > > which is a formal way to locally resolve such external references. > > > > > > -b > > > --- > > > Birkin James Diana > > > Programmer, Digital Technologies > > > Brown University Library > > > [log in to unmask] > > > > > > > > > On Sep 30, 2013, at 7:15 AM, Uldis Bojars <[log in to unmask]> > wrote: > > > > > > > What are best practices for preventing problems in cases like > this when > > > an > > > > important Linked Data service may go offline? > > > > > > > > --- originally this was a reply to Jodi which she suggested to > post on > > > the > > > > list too --- > > > > > > > > A safe [pessimistic?] approach would be to say "we don't trust > > > [reliability > > > > of] linked data on the Web as services can and will go down" and > to > > cache > > > > everything. > > > > > > > > In that case you'd want to create a caching service that would > keep > > > updated > > > > copies of all important Linked Data sources and a fall-back > strategy > > for > > > > switching to this caching service when needed. Like archive.org > for > > > Linked > > > > Data. > > > > > > > > Some semantic web search engines might already have subsets of > Linked > > > Data > > > > web cached, but not sure how much they cover (e.g., if they have > all of > > > LoC > > > > data, up-to-date). > > > > > > > > If one were to create such a service how to best update it, > considering > > > > you'd be requesting *all* Linked Data URIs from each source? An > > efficient > > > > approach would be to regularly load RDF dumps for every major > source if > > > > available (e.g., LoC says - here's a full dump of all our RDF > data ... > > > and > > > > a .torrent too). > > > > > > > > What do you think? > > > > > > > > Uldis > > > > > > > > > > > > On 29 September 2013 12:33, Jodi Schneider <[log in to unmask]> > > wrote: > > > > > > > >> Any best practices for caching authorities/vocabs to suggest for > this > > > >> thread on the Code4Lib list? > > > >> > > > >> Linked Data authorities & vocabularies at Library of Congress ( > > > id.loc.gov) > > > >> are going to be affected by the website shutdown -- because of > lack of > > > >> government funds. > > > >> > > > >> -Jodi > > > > >