2013-05-19T20:29:52Zhttp://info-uri.info/registry/OAIHandler
lc
Library of Congress Identifiers
2007-10-15
Library of Congress
101 Independence Ave, SE Washington, DC 20540
http://www.loc.gov
Ray Denenberg
rden@loc.gov
202-707-5795
An 'info' URI with namespace 'lc' takes the form:
info:lc/<lc-info-subspace>/<subspace-specific-string>
lc-info-subspace
lc-info-subspace = ALPHA *( ALPHA / DIGIT )
i.e. alphanumeric with leading alphabetic character.
Values of lc-info-subspace are assigned by the Library of
Congress and registered at
http://www.loc.gov/standards/uri/LcInfoURI.html.
The Library of Congress will designate an authority for each
value.
subspace-specific-string
subspace-specific-string =
subspace-specific-component *("/" subspace-specific-component)
subspace-specific-component
subspace-specific-component = pchar *(pchar)
pchar (etc.)
pchar is as defined in RFC 3986, that is:
pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
pct-encoded = "%" HEXDIG HEXDIG
sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "="
ALPHA, DIGIT, AND HEXDIG are as defined in RFC 2234: upper
or lower case alphabetic (A-Z / a-z), decimal digit (0-9),
and hexadecimal digit (DIGIT / "A" / "B" / "C" / "D" / "E" /
"F") respectively.
Percent Encoded Characters
No characters in general needs to be percent encoded.
http://www.loc.gov/standards/uri/LcInfoURI.html
All identifiers in the info:lc namespace are case-sensitive.
info:lc/xmlns/marcxchange-v1
info:lc/xmlns/rmd-v1
info:lc/xmlns/update-v1
info:lc/xmlns/mods-4.0
This info namespace will be used for various lc identifiers,
where the identifier class is specified by the
lc-info-subspace. Only one such subspace is defined
initially, ‘xmlns’. xmlns identifiers are XML namespace
URIs.
For a discussion of why ‘info:’ (rather than for example
‘http:’) might be used for XML namespace URIs, see
http://www.loc.gov/standards/uri/xml-namespaces.html
No service mechanisms are at present defined. If any are
defined in the future they will be described at
http://www.loc.gov/standards/uri/LcInfoURI.html