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Microsoft® Access® 2010 Inside Out by Jeff Conrad and John Viescas

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Understanding Web Services

At their heart, web services exchange data encoded as XML over the Web. Many websites today are simply mashups—websites created by combining multiple web services into one application. Web services are generally categorized in two ways—public web services and enterprise web services. Public web services expose data that is unrestricted to all computer users with Internet access. Some examples of public web services are Amazon’s E3 web service, eBay’s marketplace web service, and many Really Simple Syndication (RSS) feeds. Figure 23-1 shows you a conceptual diagram of a public web service.

Public web services expose data to the public over the Internet.

Figure 23-1. Public web services ...

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