Storage Retrieval

Download e-book for iPad: A Developer’s Guide to the Semantic Web by Liyang Yu

By Liyang Yu

ISBN-10: 3642159699

ISBN-13: 9783642159695

The Semantic net represents a imaginative and prescient for the way to make the massive volume of knowledge on the net instantly processable through machines on a wide scale. For this objective, an entire suite of criteria, applied sciences and similar instruments were special and constructed during the last couple of years, they usually have now develop into the basis for varied new applications.

A Developer’s consultant to the Semantic Web is helping the reader to profit the middle criteria, key parts, and underlying strategies. It offers in-depth insurance of either the what-is and how-to elements of the Semantic internet. From Yu’s presentation, the reader will receive not just a high-quality figuring out in regards to the Semantic internet, but additionally how one can mix every part to construct new purposes at the Semantic Web.

Software builders in and scholars focusing on net improvement or Semantic internet applied sciences will locate during this booklet the main entire consultant to this intriguing box to be had at the present time. in response to the step by step presentation of real-world initiatives, the place the applied sciences and criteria are utilized, they're going to gather the data had to layout and enforce cutting-edge applications.

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Additional resources for A Developer’s Guide to the Semantic Web

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Com This URL is used not only to identify my home page, but also to retrieve it from the Web. 28 2 The Building Block for the Semantic Web: RDF On the other hand, there are also lots of resources in the world that can be identified on the Web, but cannot be directly retrieved from the Web. For example, I myself as a person, can be identified on the Web, but cannot be directly retrieved from the Web. Similarly, a Nikon D300 camera can be identified on the Web, yet we cannot retrieve it from the Web.

Inspired by this example, you might want to code up your own agent, which will visit all the related Web sites to collect some specific stock information and report back to you, say, every 10 min. By doing so, you don’t have to open up a browser every 10 min to check the stock prices, risking the possibility that your boss will catch you visiting these Web sites, yet you can still follow the latest changes happening in the stock market. And this stock watcher application you have developed is yet another example of Web data mining.

1, we do have one more issue to cover: if we use URIs to represent resources as required by RDF abstract model, all the resources will inevitably have fairly long names. This is not quite convenient and not quite readable either. The solution to this issue is quite straightforward: a full URI is usually abbreviated by replacing it with its XML qualified name (QName). Recall in the XML world, a QName contains a prefix that maps to a namespace URI, followed by a colon, and then a local name. 4. org/resource/Nikon can be written as dbpedia:Nikon As you will see later in this chapter, there are different serialization formats for RDF models, and the precise rules for abbreviation depend on the RDF serialization syntax being used.

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A Developer’s Guide to the Semantic Web by Liyang Yu

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