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

By Liyang Yu

The Semantic internet represents a imaginative and prescient for the way to make the massive quantity of knowledge on the net instantly processable via machines on a wide scale. For this objective, a complete suite of criteria, applied sciences and comparable instruments were certain and built over the past couple of years, they usually have now turn into the root for varied new applications.

A Developer’s consultant to the Semantic Web is helping the reader to profit the middle criteria, key elements, and underlying techniques. It offers in-depth insurance of either the what-is and how-to features of the Semantic internet. From Yu’s presentation, the reader will receive not just an effective figuring out in regards to the Semantic net, but additionally mix every thing to construct new purposes at the Semantic Web.

Software builders in and scholars focusing on internet improvement or Semantic internet applied sciences will locate during this booklet the main entire consultant to this fascinating box to be had this present day. in accordance with the step by step presentation of real-world initiatives, the place the applied sciences and criteria are utilized, they are going to gather the data had to layout and enforce state of the art applications.

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The solution proposed by RDF’s abstract model is summarized in Rule #2 as follows: Rule #2: The name of a resource must be global and should be identified by Uniform Resource Identifier (URI). We are all familiar with URL (Uniform Resource Locator), and we have been using it all the time to locate a Web page we want to access. The reason why we can use URL to locate a Web resource is because it represents the network location of this given Web resource. However, there is some subtle fact about URL that most of us are not familiar with: URL is often used to identify a Web resource that can be directly retrieved on the Web.

For now, let us move on to some more explanation in plain English about what exactly RDF is and why we need it. This explanation will be much easier to understand and will give you enough background and motivation to continue reading the rest of this chapter. com, for example). Similarly, there are also Web sites that sponsor discussion forums where a group of people get together to discuss the pros and cons of a given product. The reviews published at these sites can be quite useful when you are trying to decide whether you should buy a specific product or not.

RDF is a framework for representing information on the Web (RDF Concept). • RDF is a general-purpose language for representing information in the Web (RDF Syntax, RDF Schema). 1 RDF Overview 21 • RDF is an assertional language intended to be used to express propositions using precise formal vocabularies, particularly those specified using RDFS, for access and use over the World Wide Web, and is intended to provide a basic foundation for more advanced assertional languages with a similar purpose (RDF Semantics).

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