If a document is deleted from the datasource, and a replacement document with the same name and location is created, the link is still valid.

Doch niemand geringerer als das W3-Consortium (W3C) ist Schuld daran, denn über die Jahre hinweg wurde die Definition dieser Begriffe nicht konsequent gehandhabt. URL (Uniform Resource Locator) finds documents using the datasource path. URI = Universal Resource Identifier

Quasi-offizielles Dokument des W3-Consortiums zur Definition von URI, URL bzw. The URN defines something’s identity, while the URL provides a location. We can use the examples in the RFC3986: Pingback: URI, URL ve URN Nedir? bar.html is not a URN. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. What is URI? Reply ↓ ALI KHAN on May 15, 2017 at 10:02 AM said: This is the very interesting article and it helped me to learn a lot. Here the resource might be a document, a photo, web page or anything else. By the way, the main difference between URL and URI is protocol to retrieve the resource. If you open the shortcut's Properties dialog box, you will see what kind of link was created by examining the Target field on the Shortcut tab.

Change ), You are commenting using your Twitter account. It refers to the subset of URI and specify how to locate the resource on the Internet. ( Log Out /  Thus, it is not unlikely to run into problems using non ASCII characters. URN. But a URI is not necessarily a URL or URN. It tries to give a description of a resource without actually pointing at it. Und wenn nun Ihre Verwirrung immer noch nicht verschwunden ist: Keine Angst, Sie sind nicht allein. For this reason, a URL contains a hostname and a local part, all of which can be resolved anywhere on the Internet. It has two specializations known as URL (Uniform Resource Locator) and URN (Uniform Resource Name). The idea is that a URL is a mechanical link to a resource's location, where it can be downloaded. Universal Resource identifiers in WWW ALL URL and URN are URI. ( Log Out /  Unter Internet-(Halb-)Experten kann es schnell zum schönsten Streit kommen, wenn eine Diskussion über diese Fragen losbricht. http, https etc to retrieve resource from its location. Change ), You are commenting using your Google account. Die URL sagt also einem vernetzen Computer, wo er die (vom Nutzer) gewünschte Seite findet. URL uses protocol such as http:// and ftp:// to identify the resource. URL always include a network protocol e.g. It consists of multiple parts including protocols, IP address, path and port to locate the information and the mechanism for retrieving it. If the name of person is identified, it is URN. Eine URL hingegen ist laut Berners-Lee ein nützliches Konzept, das allerdings keine formale Definition besitzt. URI is the superset of both URL and URN. There is a fair bit of discussion regarding when and how you should properly use the term URI vs URL. Change ), Communication Networks:Fundamental Concepts And Key Architectures,Leon Garcia (English) 2nd Edition, Java Interview Questions : Iterator and Iterable, A URL is a URI that identifies a resource and also provides the means of locating the resource by describing the way to access it. DIFFERENCE BETWEEN URN & URI. A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the URN scheme, and does not imply availability of the identified resource. How to get the Current Date in Hive with examples. Laut Tim Berners-Lee, immerhin der Erschaffer des Web-Protokolls HTTP und somit quasi der „Erfinder“ des Webs, war die ursprüngliche Sicht, dass URI der Überbegriff für URLs und URNs war. It is a physical address of objects which are retrievable using protocols on the net. We can take an example. It does not have to be HTTP URL (http://), a URL can also be (ftp://) or (smb://). Learning Computer Science and Programming, Write an article about any topics in Teradata/Hive and send it to

If both name and address are identified, it is URI. ISBN numbers which are a good example of URN is used to identify any book uniquely.

On the other hand, we often have to deal with early state software. Both URNs (names) and URLs (locators) are URIs, and a particular URI may be both a name and a locator at the same time.

URI stands for Uniform Resource Identifier that is a string of characters to identifies an abstract or physical resource. Your email address will not be published. It distinguishing one resource from all other resources, regardless of how that purpose is accomplished (e.g., by name, address, or context).

Innerhalb jedes Schemas kann es beliebig aufgeteilte Namensräume (also Bezeichnungen) geben. URL = Uniform Resource Locator

A Uniform Resource Locator (URL) is a subset of the Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it.URL defines how the resource can be obtained. Uniform Resource Identifier (URI) is a string of characters used to identify a name or a resource on the Internet.


All three URI, URL, and URN are used to identify any resource or name on the internet, but there is a subtle difference between them. URN = Uniform Resource Name. ISBN numbers are best examples of URN.

A URN has to be of this form ::= "urn:" ":" where is the Namespace Identifier, and is the Namespace Specific String. Google findet auf dem Server des W3C für die Anfrage „url uri confusion“ mehr als 600 Treffer.

It’s all about the URLs, URL meaning, URI vs URN, URI vs URL bs URN and URL meaning please check and let me know if its interesting. A URN has to be of this form ::= "urn:" ":" where is the Namespace Identifier, and is the Namespace Specific String. The URN defines something’s identity, while the URL provides a location. Essentially, “what” vs. “where”. Eine URL ist somit eine URI, die eine Ressource bestimmt, indem der typische Zugriffsmechanismus (vulgo: die „Adresse“ der Webseite) angegeben wird. Your email address will not be published. In other words, It is a formatted text string used by Web browsers, email clients and other software to identify a network resource on the Internet. Laut Tim Berners-Lee, immerhin der Erschaffer des Web-Protokolls HTTP und somit quasi der „Erfinder“ des Webs, war die ursprüngliche Sicht, dass URI der Überbegriff für URLs und URNs war. Lets understand URI,URL and URN and how it is used to locate those resource and what is the difference between each of them in this article. - ceaksan. Uniform Resource Locator(URL) is known as web address. It does not have to be HTTP URL (http://), a URL can also be (ftp://) or (smb://). What a URN tries to do is different. Uniform Resource Name(URN) is a another subset of URI that identifies a resource by name. Lets understand URI,URL and URN and how it is used to locate those resource and what is the difference between each of them in this article. It uses the URN scheme, and does not imply availability of the identified resource. We are accessing the web pages,images, videos and so on in the internet.Those resources are stored in the some servers and it needs unique identifier or name to access it over the internet. urn:ietf:rfc:2648 (URN as it does not specify a locator) urn:isbn:0508672084 (URN as it does not specify a locator) When to use the term URI vs URL. Zunächst sollen die Abkürzungen ausgeschrieben dargestellt werden: If his address is identified, it is URL. URN are the unambiguous way to identify a resource.

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