Communicating with XML by Airi Salminen, Frank Tompa (auth.)

By Airi Salminen, Frank Tompa (auth.)

This publication offers huge perception into the chances and demanding situations of XML in construction new details administration ideas in networked businesses. After a quick creation to internet communique good points and XML basics, the publication examines some great benefits of adopting XML and illustrates quite a few forms of XML use: XML in record administration; XML for data-centric and multimedia elements; XML as a layout for metadata, together with metadata for the Semantic net; and XML in aid of information interchange among software program functions and between organisations. The demanding situations of adopting XML in large-scale info administration also are mentioned. additionally, purposes throughout a large spectrum are tested and diverse case reviews touching on the adoption of XML are offered. The ebook is very appropriate for classes provided in info reports, details structures, or info know-how. It additionally serves as an outstanding useful consultant for pros in info administration and offers very important help fabric for classes in computing device technology and in Business.

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On the other hand, the order of attributes is insignificant. Therefore, from the point of view of an application, the last two alternatives are indistinguishable, whereas the others are all different. 4 31 Comments and Processing Instructions As well as elements, which are the core components of the logical structure, other components of the structure are declarations, comments, and processing instructions. 1 always starts an XML document. 1. Nevertheless it is advisable to use it in all XML documents.

This can also happen with XML documents for errors, but not for fatal errors. Thus an application’s accommodation of XML data does not guarantee validity of a document, but well-formedness is assured. The small example given above is intended to clarify the distribution of labor between an XML processor and application. In the following section we take a closer look at the components of XML documents. 3 27 XML Documents Every XML document has a logical structure and a physical structure. 1 shows an XML document as if it were stored in a single file.

8 shows the XML format for the feed shown in Fig. 7. 6 Case Study: Communicating Via News Feeds 17 Fig. 7 Viewing a blog by means of a feed reader (With permission of Laila Lalami) Several feed formats have been proposed, including RSS and Atom. The basic structure of feeds is the same in all formats, but there are differences in details and in the terminology. 9, which was developed by Netscape in 1999. 0 (Really Simple Syndication), which is published by the RSS Advisory Board [5]. 0 (also known as RDF Site Summary) is a competing format defined using XML Schema and based on RDF, both of which are introduced in Chap.

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