By Grigoris Antoniou, Visit Amazon's Paul Groth Page, search results, Learn about Author Central, Paul Groth, , Frank van Harmelen, Rinke Hoekstra
The improvement of the Semantic internet, with machine-readable content material, has the capability to revolutionize the area broad internet and its makes use of. A Semantic internet Primer offers an creation and advisor to this continually evolving box, describing its key principles, languages, and applied sciences. compatible to be used as a textbook or for self sufficient learn via pros, it concentrates on undergraduate-level primary innovations and strategies that might permit readers to continue with construction functions on their lonesome and comprises routines, undertaking descriptions, and annotated references to appropriate on-line materials.
The 3rd version of this customary textual content has been completely up-to-date, with major new fabric that displays a speedily constructing box. therapy of the various languages (OWL2, ideas) expands the insurance of RDF and OWL, defining the information version independently of XML and together with assurance of N3/Turtle and RDFa. A bankruptcy is dedicated to OWL2, the recent W3C common. This variation additionally beneficial properties extra insurance of the question language SPARQL, the rule of thumb language RIF and the potential of interplay among ideas and ontology languages and purposes. The bankruptcy on Semantic internet purposes displays the swift advancements of the previous few years. a brand new bankruptcy deals rules for time period tasks. extra fabric, together with updates at the technological developments and learn instructions, are available at http://www.semanticwebprimer.org.
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6 illustrates the layers of RDF and RDF Schema for this example. In this ﬁgure, blocks are properties, bubbles above the dashed line are classes, and bubbles below the dashed line are instances. 6 is itself written in a formal language, RDF Schema, that can express its ingredients: subClassOf, Class, Property, subPropertyOf, Resource, and so on. Next we describe the language of RDF Schema in more detail. 5. One decision that must be made is what formal language to use. It should not be surprising that RDF itself will be used: the modeling primitives of RDF Schema are deﬁned using resources and properties.
This brings us to another difference. If the ultimate goal of AI is to build an intelligent agent exhibiting human-level intelligence (and higher), the goal of the Semantic Web is to assist human users in their day-to-day online activities. 16 The Semantic Web Vision It is clear that the Semantic Web makes extensive use of current AI technology and that advances in that technology will lead to a better Semantic Web. But there is no need to wait until AI reaches a higher level of achievement; current AI technology is already sufﬁcient to go a long way toward realizing the Semantic Web vision.
Thus, if referring to a swimming pool, we can use a URI assigned to swimming pools and not have it be confused with billiards (pool) or a group of people (the pool of programmers). This is known as the homonym problem. The use of a URI does not necessarily enable access to a resource. However, using dereferencable URLs for resource identiﬁers is considered good practice. It enables users to either retrieve a resource itself (in the case of an image) or a further description of that resource (in case of a person).