1.2. The Web of Services

In today’s Web-centric world, it is convenient to think of entities or resources that are connected to each other through some mechanism — by means of a hyperlink in most simple form. The primary purpose of the WWW is to make it easy to share information among interested parties. The pages, together with the hyperlinks, create a web of information. Any visitor to a page can jump to another by following the hyperlinks or by explicitly providing the Uniform Resource Locator (URL) for the page of interest. This is the state of most of the World Wide Web (WWW) as we know it today. This infrastructure is what also facilitates the e-commerce applications today for companies that want to reach their customers over the Internet. ...

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