Convert Multiple Web Pages To One Pdf To Multiple PdfArchitecture of the World Wide Web, Volume One. The World Wide Web uses relatively. In an effort to preserve these properties of the information. Web. They are. identification of resources, representation of resource state, and. We relate core design components. This section describes the status. Other documents. may supersede this document.
A list of current W3. C publications and. W3. C technical reports. TR/. This is the 1. December 2. 00. 4. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror. Learn to code and build projects for nonprofits. Build your full stack web development portfolio today. Free Code Camp's a great way for disabled veterans like me to retrain. I'm receiving engineering job offers, and I haven't even finished yet. WIRED is where tomorrow is realized. Load More Results Wired Facebook Wired Twitter Wired Pinterest Wired Youtube Wired Tumblr Wired Instagram Login Subscribe Advertise Site Map Press Center. Recommendation of “Architecture of the World Wide Web, Volume One.”. This document has been reviewed by W3. C Members, by software. W3. C groups and interested parties, and is. Director as a W3. C Recommendation. It is a stable. document and may be used as reference material or cited from. W3. C's role in making the Recommendation is to. This enhances the functionality and interoperability of. Web. This document was developed by W3. C's. Architecture Group (TAG), which, by charter. The scope of this document. The TAG intends to address the remaining (and future). Volume One is published as a W3. C Recommendation. A. complete history of changes so this document is available. TAG. technical discussion takes place on www- tag@w. This document was produced under the. W3. C IPR policy of the July 2. Process Document. The. TAG maintains a public list. An individual who. Essential Claim(s) with respect to this specification. W3. C Patent Policy. The following principles. There is also a free- standing summary. Identification. Interaction. Data Formats. Version information (practice. Namespace policy (practice. Extensibility mechanisms. Extensibility conformance. Unknown extensions. Separation of content, presentation. Link identification (practice. Web linking (practice, 4. Generic URIs (practice, 4. Hypertext links (practice. Namespace adoption (practice. Namespace documents. QNames Indistinguishable from. URIs (constraint, 4. QName Mapping (practice. XML and . The (, or. Uniform Resource. Identifiers (). Examples such as the following. A acts on behalf of a user. Software agents include. Story. While planning a trip to Mexico. Nadia reads “Oaxaca weather information. Nadia can follow these. This scenario illustrates the three. Web that are discussed in this. Identification (. URIs are used to identify. In this travel scenario, the resource is a periodically. Oaxaca, and the URI is. Interaction (. Web agents communicate using. By. entering a URI into a retrieval dialog or selecting a hypertext. Nadia tells her browser to perform a retrieval action for the. URI. In this example, the browser sends. HTTP GET request (part of the HTTP protocol) to the server at. Most protocols used for representation. HTTP, for. example, typically transmits a single octet stream plus metadata. In this. scenario, the representation transferred is in XHTML, as identified. That Internet. media type name indicates that the representation data can be. XHTML specification. Nadia's browser is configured and. In the scenario, the XHTML representation data. Nadia's browser to also. URI and thus causing an additional retrieval action, resulting in. The result of all of. Nadia's initial requested action, is. We also discuss some important general architectural principles (. This document describes the. Web and the design choices that have. It promotes the reuse of existing. Web architecture. The terms MUST, MUST NOT, SHOULD. SHOULD NOT, and MAY are used in the principles, constraints, and. RFC 2. 11. 9 . This document is intended to inform. Web architecture. The intended audience. Participants in W3. C Activities. Other groups and individuals designing technologies to be. Web. Implementers of W3. C specifications. Web content authors and publishers. Note: This document. This document presents the general. Web. Other groups inside and outside W3. C also. address specialized aspects of Web architecture, including. Web Services. The section on Architectural Specifications (. TAG findings are informational documents that complement. This document includes some excerpts from the findings. For other TAG issues covered. TAG issues list. Many of the examples in this document. Web interaction. model (illustrated at the beginning of the Introduction) where a. This. document does not discuss in any detail other interaction models. The choice of interaction model may. For instance, when a. On the other hand, when. Web through voice input and audio- only. This document does not discuss how the. The important points of this document. An architectural principle is a fundamental rule that applies. Architectural. principles include . This document focuses on more fundamental design choices. Constraints may be. Good practice—by software developers, content authors, site. Web. 2. In order to communicate internally, a. One goal of the Web, since its inception, has been. To achieve this goal, the Web. URI. URIs. are a cornerstone of Web architecture, providing identification. Web. The global scope of URIs promotes. The choice of syntax for global. There are. substantial benefits to participating in the existing network of. URIs, including linking, bookmarking, caching, and indexing by. URIs. Good. practice: To benefit from and. World Wide Web, agents should provide. URIs as identifiers for resources. A resource should have an associated. URI if another party might reasonably want to create a hypertext. Software developers should expect that sharing URIs across. By design a URI identifies one. We do not limit the scope of what might be a . It is conventional on the hypertext Web to. Web pages, images, product catalogs, etc. We. identify this set as “.”This document is an example of an. It consists of words and punctuation symbols. There is nothing. In the case of this. However, our use of the term resource. Other things, such as cars and dogs. Although it is possible to describe a great. We define the term “information. Web technology and may be useful in constructing specifications for. Web. Constraint: Assign distinct. URIs to distinct resources. Since the scope of a URI is global. URI does not depend on the context in. URI appears (see also the section about indirect. URIs are. divided into schemes (. As a result. identifiers such as . One might also publish a document that purports to define. URI. These other sources of information. Just as one might wish to refer to a. Web architecture allows. URI with a resource. URIs that. identify the same resource are called . The section on. URI aliases (. By design, a URI identifies one. Using the same URI to directly identify different. Collision often. imposes a cost in communication due to the effort required to. Suppose, for example, that one. URI to refer to the movie The. Sting, and another organization uses the same URI to refer. The Sting. To a third. URI identifies, undermining the value of. URI. If one wanted to talk about the creation date of the. URI, for instance, it would not be clear. However, the success or. Internet community on abiding by. The section on URI allocation (. This does not necessarily lead to collisions. URI allocation is the process of. URI with a resource. Allocation can be performed both. It is important to avoid. URI ownership gives the relevant social entity. URIs to another. owner—delegation; andto associate a resource with an owned URI—URI allocation. By social convention, URI ownership. IANA URI scheme registry . Some URI. scheme specifications further delegate ownership to subordinate. In the case of a specification, ownership ultimately. The approach taken for the . One consequence of this approach is the Web's heavy reliance. DNS registry. A different approach is taken by the. URN Syntax scheme . Allowing multiple owners increases the likelihood of. URI collisions. URI owners may organize or deploy. Additional social implications. URI ownership are not discussed here. See TAG issue site. Data- 3. 6, which concerns the expropriation of naming. Some schemes use techniques other. For example, the. URL (sic) scheme . The. representation data makes up the URI that identifies that resource. To say that the URI. However, we can use. URI to indirectly identify Nadia. Identifiers are commonly used. Listening to a news broadcast, one. Britain that begins, . In this context, the news reporter is using it (as. English rhetoric allows) to indirectly identify the British. Similarly, URIs identify resources, but they can also. Local policy establishes what they. Suppose that. nadia@example. Nadia's email address. The. organizers of a conference Nadia attends might use. This does not introduce a URI collision. URIs that are identical. Since Web. Architecture allows the association of multiple URIs with a given. URIs that are not character- by- character identical. Different URIs do not. URIs refer to. the same resource. To reduce the risk of a false. URIs do not refer. URIs do refer to the same resource), some. Agents that reach conclusions. Although there are benefits (such as. URI aliases, there are also costs. URI. aliases are harmful when they divide the Web of related resources. Not only is the aliased. A URI owner SHOULD. NOT associate arbitrarily different URIs with the same. URI consumers also have a role in. URI consistency. For instance, when transcribing a URI. The community benefits when the URI owner. URI to the corresponding. For more information on redirection, see section. Redirection, in . URI aliasing only occurs when more. URI is used to identify the same resource. The fact that. different resources sometimes have the same representation does not. URIs for those resources aliases. Story. Dirk would like to add a link from. Web site to the Oaxaca weather site. He uses the URI. http: //weather. Oaxaca on 1 August 2. Nadia points out to. Dirk that he is setting misleading expectations for the URI he has. The Oaxaca weather site policy is that the URI in question. Oaxaca—on any given. August. Of course, on the first of. August in 2. 00. 4, Dirk's link will be correct, but the rest of the. Nadia points out to Dirk that. Oaxaca weather site do make available a. URI permanently assigned to a resource reporting on the. August 2. 00. 4. In this story, there are two.
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