Why Do We Even Need Xml Anyway?

To learn about XML (eXtensible Markup Language) we need to first know what markup languages are. Markup languages are designed for the processing, definition, and presentation of documents containing structured information. The language specifies code for formatting, both the layout and style, within a text file or document. HTML is an example of a widely known and much-used markup language.

The differences between XML and HTML are, noting that XML is not a replacement for HTML:
- XML has been designed to transport and store data, with a focus on what data is
- HTML has been designed to display data, with a focus on what data looks like

In other words, HTML is about displaying information, while XML is about carrying information.

Why XML?
In order to appreciate XML, it is important to understand why it was created. The foremost reason being so that data could be exchanged over the web. The only viable markup language alternatives for this purpose, HTML and SGML, are not practical as HTML is bound with a set of semantics that do not allow for arbitrary structure, while SGML, although it does allow for arbitrary structure, is too complex to implement just for a web browser.

A well known example of the use of XML is RSS (Rich Site Summary) feeds, which is a format for delivering regularly changing web content. Many news-related sites, weblogs and other online publishers syndicate their content as an RSS Feed to whoever wants it on a regular, up-to-date basis. In reality, these so-called RSS-feeds are nothing less than XML files.

Another important reason for the development of XML is that it allows for the use of data from more sources and in more ways as it has become a widely accepted standard for exchanging data between any number of computer systems. Why use it? Businesses today thrive on data, and said data can come from a number of sources and in a variety of formats (such as databases, web pages, spreadsheet files, etc.). Data can be extracted from various original sources, stored at a location of your choosing, and accessed whenever required by you, therefore enabling you to get more from that data.

For example, if you are required to create a report on budget data for the past three years, however you have stored that data, if it's in XML, you can select what you need and import it into a document, worksheet, or database - whatever the situation requires.

XML and Excel
Microsoft Office 2003 Professional was the first Office version that took the XML standard seriously.

It is common knowledge that many businesses use Excel to edit and prepare data. It is easy to use and is widely available, and its tabular format is ideally suited to all kinds of information processing, such as inventory lists, customer records, financial data, statistical data, and much more.

XML is called "Extensible" for a good reason: you can extend it by adapting it to fit almost any requirement. In business, publishing, government, science, academic research - anywhere that information moves from one user to another. And it is built in to Microsoft Excel, and the other applications that make up MS Office.

Excel 2003 training will provide you with a greater understanding of the benefits to business and yourself of making use of XML for data handling and storage.

Article Source: http://www.articlesnatch.com

About the Author:
Author is a freelance copywriter. For more information on excel 2003 training, please visit http://www.microsofttraining.net

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Why We Need A Great PDF to Word Converter?

Why We Need A Great PDF to Word Converter?
Author: Melvin James

Nowadays almost every computer has some kinds of software which is able to read PDF files, for example , Adobe Reader or Foxit Reader and so on. Why is that? Because PDF has become the most popular format. If you have the free PDF readers, you don’t have problems in viewing PDF at all. If you don’t, please install it right now and enjoy the beauty of PDF files.

PDF (Portable Document Format) looks so great on the screen, reading a PDF file is just like reading a book, the only difference is that books are in paper while PDF is on screen. That means PDF looks exactly the same as paper. That’s why so many people will scan paper as PDF format, or write PDF eBooks instead of publishing a book. Not only books, bills, invoices, job applications, contract, even government data may be saved in PDF format. Surprise? Not at all. There must be some reasons why PDF become a standard.

1. Everyone can read PDF files as long as they have free PDF Reader

As we know, PDF format is rich in file integrity, regardless of the applications used to create them, a free PDF reader is the only requirement to view PDF files. It can look the same in different operation systems.

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PDF/A is the international standard for long-term archival storage. By creating PDFs that comply with the standard, companies are guaranteed their documents can be viewed and reproduced in exactly the same way for years to come, regardless of future changes to the PDF format. That’s why so many financial, government, educational organizations choose PDF format.

However, no matter how great PDF format is, we can’t edit it unless we purchase some kinds of PDF editors. The most professional PDF editor is Adobe Acrobat, which will cost you hundreds of dollars. It’s out of budget of many PDF users. Converting PDF to Word is a much easier solution to edit PDF.

We have been using Microsoft Office for long time. Most of us have good command of Microsoft Word. Try to think about it, if your boss wants you to get the contents from a protected PDF file which was created by a former colleague but he is not working for the company anymore, what will you do? Or you need to reformat your novel to meet the publisher’s demand, but you’ve lost the original Word file, how do you edit your work? Or you are working on the dissertation and need to quote lots of statistics from your professor’s PDF files, but the format changed after you copy and paste to Word document, you must be frustrated about that.

So people will hire freelancers to retype the PDF to Word. In fact, these problems can be solved easily if you have a good PDF to Word converter, which can preserve the original text content, layouts , images after conversion perfectly.

Now Microsoft Office provides the function of ‘save as PDF’, that means the amount of PDF files will be rapidly increased. But the situation you might meet will not changed. So a good PDF Converter is needed.

About the Author:

Melvin has 5 years experience in PDF converter programming. Please visit: http://www.anypdftools.com. There you can find a lot of third-party software with different function related to PDF.

Article Source: ArticlesBase.com - Why We Need A Great PDF to Word Converter?

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XML is a markup language for structured documentation.

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data-conversion-services.php Structured documents are documents that contain both content (words, pictures, etc.) and some indication of what role that content play. Almost all documents have some structure.A markup language is a mechanism to identify structures in a document. The XML specification defines a standard way of adding markup to documents.

Why XML?

In order to appreciate XML, it is important to understand why it was created. XML was created so that richly structured documents could be used over the web. The only viable alternatives, HTML and SGML, are not practical for this purpose.http://www.xmlconversionservices.com/xml-company.php HTML, as we've already discussed, comes bound with a set of semantics and does not provide arbitrary structure.

SGML provides arbitrary structure, but is too difficult to implement just for a web browser. Full SGML systems solve large, complex problems that justify their expense. Viewing structured documents sent over the web rarely carries such justification.

This is not to say that XML can be expected to replace SGML. While XML is being designed to deliver structured content over the web, some of the very features it lacks to make this practical, make SGML a much more satisfactory solution for the creation and long-time storage of complex documents. In many organizations, filtering SGML to XML to serve it over the web will be standard procedure.

XML Strength Development

The XML specification sets out the following goals for XML

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5. The number of optional features in XML is to be kept to an absolute minimum, ideally zero.
6. XML documents should be human-legible and reasonably clear.
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10. Terseness in XML markup is of minimal importance.

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