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Topic: About: URI scheme


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In the News (Thu 22 Jun 17)

  
 rfc1630.txt
URI syntax A complete URI consists of a naming scheme specifier followed by a string whose format is a function of the naming scheme.
SCHEME Within the URI of a object, the first element is the name of the scheme, separated from the rest of the object by a colon.
Examples In the context of URI magic://a/b/c//d/e/f the partial URIs would expand as follows: g magic://a/b/c//d/e/g /g magic://a/g //g magic://g../g magic://a/b/c//d/g g:h g:h and in the context of the URI magic://a/b/c//d/e/ the results would be exactly the same.
www.ietf.org /rfc/rfc1630.txt   (6922 words)

  
 URIs, URLs, and URNs: Clarifications and Recommendations 1.0
URI schemes in alternative trees will be distinguished because they will have a "." in the scheme name.
'isbn', as a potential URN namespace (or URI scheme), in particular has been a source of much speculation and confusion over several years.
URI space was thus viewed as partitioned into subspaces: URL and URN, and additional subspaces, to be defined.
www.w3.org /TR/uri-clarification   (1502 words)

  
 Scheme Property
The following example writes the scheme name (http) to the console for the URI http://www.contoso.com/.
A string containing the scheme of the specified URI.
MSDN Home > MSDN Library >.NET Development >.NET Framework SDK >.NET Framework > Reference > Class Library > System > Uri Class > Properties
msdn.microsoft.com /library/en-us/cpref/html/frlrfSystemUriClassSchemeTopic.asp   (158 words)

  
 URI - Uniform Resource Identifiers
These URI can also take the form of relative URI references, where the scheme (and usually also the authority) component is missing, but implied by the context of the URI reference.
If the $uri is relative, then $uri->scheme returns
URI references that normalize to the same string are considered equal.
www.xav.com /perl/site/lib/URI.html   (2297 words)

  
 URI (Java 2 Platform SE v1.4.2)
If the given URI's fragment component is defined, its path component is empty, and its scheme, authority, and query components are undefined, then a URI with the given fragment but with all other components equal to those of this URI is returned.
Finally, two hierarchical URIs with identical schemes and authority components are ordered according to the ordering of their paths; if their paths are identical then they are ordered according to the ordering of their queries; if the queries are identical then they are ordered according to the order of their fragments.
from later being re-parsed as an opaque URI with a scheme of
java.sun.com /j2se/1.4.2/docs/api/java/net/URI.html#URI(java.lang.String)   (5449 words)

  
 A *retired index* of WWW Addressing Schemes
The Internet Standard list of URI schemes is maintained by IANA according to RFC2717.
This was an attempt to index URI schemes and their specifications, whether they were registered or not.
It is recommended that those proposing a new scheme demonstrate its utility and operability by the provision of a gateway which will provide images of objects in the new scheme for clients using an existing protocol.
www.w3.org /Addressing/schemes   (1159 words)

  
 An example HTML document
URI Syntactic Components The URI syntax is dependent upon the scheme.
Relative URI References It is often the case that a group or "tree" of documents has been constructed to serve a common purpose; the vast majority of URI in these documents point to resources within the tree rather than Berners-Lee, et.
A URI may be represented in a variety of ways: e.g., ink on paper, pixels on a screen, or a sequence of octets in a coded character set.
www.ietf.org /rfc/rfc2396.txt   (10148 words)

  
 Web Naming and Addressing Overview (URIs, URLs, ...)
When embedded within a base document, a URL in its absolute form may contain a great deal of information which is already known from the context of that base document's retrieval, including the scheme, network location, and parts of the url-path.
The URI Activity Statement explains W3C's work on this topic in more detail.
Uniform Resource Identifiers (URIs, aka URLs) are short strings that identify resources in the web: documents, images, downloadable files, services, electronic mailboxes, and other resources.
www.w3.org /Addressing   (554 words)

  
 XML.com: Identifying Atom
If the port specified is the default port for that URI scheme, drop it.
The benefits of URI identifiers are that many programming languages have classes and libraries to deal with them, compare them, generate them from a set of criteria, and so forth.
URIs aren't just strings; URIs are their own data type, and they have their own comparison rules.
www.xml.com /pub/a/2004/08/18/pilgrim.html   (1772 words)

  
 MAGNET-URI Project
MAGNET is an open URI-scheme and supporting practices/code for enabling seamless integration between websites and locally-running utilities, such as file-management tools.
Example Page of MAGNET URIs, with Javascript code to catch clicks on these links and automatically probe for any local apps which can do interesting things with the URIs.
MagnetHandler is a project to create a "MAGNET router tool" which will allow multiple MAGNET applications, which each handle certain kinds of MAGNET URIs, to coexist.
magnet-uri.sourceforge.net   (548 words)

  
 What is URI? - A Word Definition From the Webopedia Computer Dictionary
Describes the IETF URI working group and includes contact and mailing list information, RFC revisions-in-progress, Internet drafts, new URL scheme proposals, RFCs, and links to related work.
There is information on Uniform Resource Identifier (URI), Uniform Resource Locators (URL), Uniform Resource Names (URN), Uniform Resource Citations (URC), and how they all work together.
Request for Comments document for the Uniform Resource Identifiers (URI): Generic Syntax.
www.webopedia.com /TERM/U/URI.html   (169 words)

  
 A *retired index* of WWW Addressing Schemes
The Internet Standard list of URI schemes is maintained by IANA according to RFC2717.
It is recommended that those proposing a new scheme demonstrate its utility and operability by the provision of a gateway which will provide images of objects in the new scheme for clients using an existing protocol.
If the new scheme is not a locator scheme, then the properties of names in the new space should be clearly defined.
www.w3.org /Addressing/schemes   (169 words)

  
 Matisse's Glossary of Internet Terms
The first part of a URI is called the "scheme".
the most well known scheme is http, but there are many others.
In theory ADSL allows download speeds of up to 9 megabits per second and upload speeds of up to 640 kilobits per second.
www.matisse.net /files/glossary.html   (9549 words)

  
 Dublin Core Metadata Element Set, Version 1.1: Reference Description
This is the definition used in Internet RFC 2396, "Uniform Resource Identifiers (URI): Generic Syntax", by Tim Berners-Lee et al.
Recommended best practice is to select a value from a controlled vocabulary or formal classification scheme.
Examples of Description include, but is not limited to: an abstract, table of contents, reference to a graphical representation of content or a free-text account of the content.
dublincore.org /documents/dces   (961 words)

  
 king-vnd-urlscheme-03.txt
If a vendor publishes information about a vnd URI scheme by either of the methods described above, changes to the syntax or semantics of that URI scheme must be subsequently published by the same medium as originally employed.
Network Working Group I. King Internet-Draft Microsoft Corporation Expires: March 6, 2004 L. Masinter Adobe Systems Incorporated September 6, 2003 The vnd and prs Trees for URI Scheme Names draft-king-vnd-urlscheme-03.txt Status of this Memo This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026.
Publication of the scheme description as an Informational RFC may be appropriate for those schemes of sufficient interest to the IETF King and Masinter Expires March 6, 2004 [Page 5] Internet-Draft vnd and prs URI schemes September 2003 community; however, this mechanism is usually appropriate only for URI schemes in the IETF tree.
ietfreport.isoc.org /idref/draft-king-vnd-urlscheme   (1882 words)

  
 draft-gilbert-srb-uri-00.txt
INTERNET-DRAFT L. Gilbert Document: draft-gilbert-srb-uri-00.txt SDSC Expires: Sept 2004 April 2004 Storage Resource Broker URI Scheme Registration draft-gilbert-srb-uri-00.txt Status of this Memo This document is an Internet-Draft and is subject to all provisions of Section 10 of RFC2026.
Applications and/or protocols, which may use SRB URI scheme SRB URIs may be carried by other protocols.
URI Scheme Syntax Definition and Character Encoding 2.1 General Syntax For ease of use, the srb URI has been modeled on the http URI [1].
www.faqs.org /ftp/pub/pub/internet-drafts/draft-gilbert-srb-uri-00.txt   (1011 words)

  
 An example HTML document
When a scheme uses elements of the common syntax, it will also use the common syntax equivalence rules, namely that the scheme and hostname are case insensitive and a URL with an explicit ":port", where the port is the default for the scheme, is equivalent to one where the port is elided.
The syntax of hierarchical URI is described in Section 3; the relative URI calculation is described in Section 5.
Although it is possible to limit the discussion of URI syntax and semantics to that of the absolute result, most usage of URI is within general URI references, and it is impossible to obtain the URI from such a reference without also parsing the fragment and resolving the relative form.
www.isi.edu /in-notes/rfc2396.txt   (10148 words)

  
 Uniform Resource Identifier (URI): Generic Syntax
As such, the fragment identifier is not used in the scheme-specific processing of a URI; instead, the fragment identifier is separated from the rest of the URI prior to a dereference, and thus the identifying information within the fragment itself is dereferenced solely by the user agent, regardless of the URI scheme.
These characters are called "reserved" because they may (or may not) be defined as delimiters by the generic syntax, by each scheme-specific syntax, or by the implementation-specific syntax of a URI's dereferencing algorithm.
A host identified by a registered name is a sequence of characters usually intended for lookup within a locally defined host or service name registry, though the URI's scheme-specific semantics may require that a specific registry (or fixed name table) be used instead.
www.gbiv.com /protocols/uri/rfc/rfc3986.html   (10148 words)

  
 draft-aoki-arib-uri-00.txt
Scheme Definition 2.1 The Arib URI Scheme The "arib" URI scheme is used to refer to the audio visual material transmitted in the MPEG-2 transport stream over ISDB broadcast system as it specified in [ITU-R BT.1306] and [ITU-R BS.1114].
This document defines the "arib" Uniform Resource Identifier (URI) scheme for audio visual material that is transmitted in the MPEG-2 systems over ISDB broadcasting mechanism [ITU-R BT.1306] and [ITU-R BS.1114] which was standardized in the Association of Radio Industries and Businesses (ARIB).
This "arib:" URI is formed in conformity with the URI generic syntax [RFC3986] to have high affinity with the internet.
www.ietf.org /internet-drafts/draft-aoki-arib-uri-00.txt   (10148 words)

  
 hansen-2717bis-2718bis-uri-guidelines-07.txt-33163.txt
Definition of operations As part of the definition of how a URI identifies a resource, a URI scheme definition SHOULD define the applicable set of operations that may be performed on a resource using the URI as its identifier.
Syntactic compatibility RFC 3986 [6] defines the generic syntax for all URI schemes, along with the syntax of common URI components that are used by many URI schemes to define hierarchical identifiers.
Expires April 30, 2006 [Page 4] Internet-Draft New URI Schemes October 2005 specifications MUST define their own syntax such that all strings matching their scheme-specific syntax will also match the grammar described in Section 4.3 of RFC 3986.
ietfreport.isoc.org /idref/draft-hansen-2717bis-2718bis-uri-guidelines   (3753 words)

  
 RFC 2838 (rfc2838)
Scheme-only form A simplest form of the "tv:" URI scheme is used to refer to the "current" or "default" channel: tv: This URI refers to whichever television broadcast is currently being received by the device.
In this way, the "tv:" scheme is somewhat analogous to the "news:" and "file:" schemes in [1]: it merely names a television broadcast signal but assumes that the local browser has some means for actually retrieving that signal on the local device.
Thus, using the terms as defined in RFC 2396, the "tv:" scheme is a Uniform Resource Identifier and not a Uniform Resource Locator.
www.cse.ohio-state.edu /cgi-bin/rfc/rfc2838.html   (3753 words)

  
 RFC 3986 (rfc3986) - Uniform Resource Identifier (URI): Generic Syntax
The term "Uniform Resource Name" (URN) has been used historically to refer to both URIs under the "urn" scheme [RFC2141], which are required to remain globally unique and persistent even when the resource ceases to exist or becomes unavailable, and to any other URI with the properties of a name.
As such, the fragment identifier is not used in the scheme-specific processing of a URI; instead, the fragment identifier is separated from the rest of the URI prior to a dereference, and thus the identifying information within the fragment itself is dereferenced solely by the user agent, regardless of the URI scheme.
Resource This specification does not limit the scope of what might be a resource; rather, the term "resource" is used in a general sense for whatever might be identified by a URI.
www.faqs.org /rfcs/rfc3986.html   (14783 words)

  
 Draft-merrells-dix-01.txt - dixs.org
DIX URI Namespace To ensure protocol extensibility we reuse the same naming scheme throughout the protocol for multiple purposes.
uri = scheme ":" hier-part [ "?" query ] [ "#" fragment ] hier-part = "//" authority path-abempty / path-absolute / path-rootless / path-empty For a DIX URI, the protocol scheme used is 'dix'.
A DIX capability family is represented by a DIX URI.
dixs.org /index.php/Draft-merrells-dix-01.txt   (6037 words)

  
 An example HTML document
It thus defines the syntax and semantics that are needed to implement a scheme-independent parsing mechanism for URI references, such that the scheme-dependent handling of a URI can be postponed until the scheme-dependent semantics are needed.
The term "Uniform Resource Locator" (URL) refers to the subset of URI that identify resources via a representation of their primary access mechanism (e.g., their network "location"), rather than identifying the resource by name or by some other attribute(s) of that resource.
The term "Uniform Resource Name" (URN) refers to the subset of URI that are required to remain globally unique and persistent even when the resource ceases to exist or becomes unavailable.
www.isi.edu /in-notes/rfc2396.txt   (6037 words)

  
 Uniform Resource Identifier (URI): Generic Syntax
As such, the fragment identifier is not used in the scheme-specific processing of a URI; instead, the fragment identifier is separated from the rest of the URI prior to a dereference, and thus the identifying information within the fragment itself is dereferenced solely by the user agent, regardless of the URI scheme.
A host identified by a registered name is a sequence of characters usually intended for lookup within a locally defined host or service name registry, though the URI's scheme-specific semantics may require that a specific registry (or fixed name table) be used instead.
URIs that differ in the replacement of an unreserved character with its corresponding percent-encoded US-ASCII octet are equivalent: they identify the same resource.
www.gbiv.com /protocols/uri/rfc/rfc3986.html   (6037 words)

  
 RFC 2396 (rfc2396) - Uniform Resource Identifiers (URI): Generic Syntax
A parser of the URI syntax is capable of parsing both URL and URN references as a generic URI; once the scheme is determined, the scheme-specific parsing can be performed on the generic URI components.
The term "Uniform Resource Locator" (URL) refers to the subset of URI that identify resources via a representation of their primary access mechanism (e.g., their network "location"), rather than identifying the resource by name or by some other attribute(s) of that resource.
The term "Uniform Resource Name" (URN) refers to the subset of URI that are required to remain globally unique and persistent even when the resource ceases to exist or becomes unavailable.
www.faqs.org /rfcs/rfc2396.html   (6037 words)

  
 Guidelines for encoding identifiers in Dublin Core metadata
Handles are most commonly encoded as URIs using the 'hdl' URI scheme or as URLs using the http://hdl.handle.net/ prefix.
Encode ISSNs as URNs in DC metadata, using the 'issn' URN namespace identifier and indicating a 'URI' encoding scheme in qualified DC applications.
DOIs are most commonly encoded as URIs using the 'doi' URI scheme or as URLs using the http://dx.doi.org/ prefix.
www.ukoln.ac.uk /metadata/dcmi/dc-identifiers/2002-01-07   (824 words)

  
 reference from World Wide Web Find
The semantics of the scheme-specific part are determined by the specifications that govern the schemes, although the URI syntax does force all schemes to reserve certain characters for special purposes, without always saying what those purposes are.
Table of contents showTocToggle("show","hide") 1 URI Reference 1.1 Example Absolute URIs 1.2 Example URI references 2 URI Resolution 3 URL and URN URI Reference A URI reference is another type of string that represents a URI, and, in turn, the resource identified by that URI.
The string indicates a name or address that can be used to refer to an abstract or physical resource.
www.worldwidewebfind.com /reference.html   (824 words)

  
 UUID URL's
Using the scheme described in this memo, the above UUID would be represented as: uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6 The basic structure of a UUID URI is: uuid:; where is a string representation of a UUID, which is documented in [UUID].
BNF FOR THE UUID URI A uuid URI begins with the scheme prefix "uuid" and is defined by the following grammar: uuid-uri = "uuid:" uuid [qualifiers] uuid = 8hex "-" 4hex "-" 4hex "-" 4hex "-" 12hex qualifiers = [";" name = value]* hex = "0"
However, UUID URI parsers should be written to gracefully ignore any characters that appear after the last character of the UUID (UUID strings are always 36 characters long).
www.gnucash.org /pipermail/gnucash-devel/2001-April/003304.html   (824 words)

  
 wikien.info: Main_Page
A relative URL comprises just the scheme-specific part, where the scheme is inferred from the context in which the URL reference appears (the Base URI).
A URI reference can also consist of a URI followed by a hash sign ("#") and a pointer to within the resource referenced by the URI as a whole.
This is not a part of the URI as such, but is intended for the "user agent" (browser) to interpret after the resource has been retrieved.
www.alanaditescili.net /index.php?title=Uniform_Resource_Locator   (824 words)

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