Download A Semantic Web Primer, by Grigoris Antoniou, Frank van Harmelen PDF
By Grigoris Antoniou, Frank van Harmelen
The improvement of the Semantic internet, with machine-readable content material, has the capability to revolutionize the realm huge net and its makes use of. A Semantic net Primer offers an advent and advisor to this nonetheless rising box, describing its key principles, languages, and applied sciences. compatible to be used as a textbook or for self-study via pros, it concentrates on undergraduate-level basic recommendations and methods that may let readers to continue with construction purposes on their lonesome and comprises workouts, venture descriptions, and annotated references to correct on-line fabrics. A Semantic internet Primer presents a scientific remedy of the various languages (XML, RDF, OWL, and principles) and applied sciences (explicit metadata, ontologies, and common sense and inference) which are critical to Semantic internet improvement in addition to such the most important comparable subject matters as ontology engineering and alertness situations. This considerably revised and up to date moment version displays contemporary advancements within the box, overlaying new software components and instruments. the hot fabric contains a dialogue of such issues as SPARQL because the RDF question language; OWL DLP and its fascinating functional and theoretical houses; the SWRL language (in the bankruptcy on rules); OWL-S (on which the dialogue of net providers is now based). the hot ultimate bankruptcy considers the cutting-edge of the sector this present day, captures ongoing discussions, and descriptions the main not easy concerns dealing with the Semantic net sooner or later. Supplementary fabrics, together with slides, on-line types of a few of the code fragments within the ebook, and hyperlinks to additional analyzing, are available at www.semanticwebprimer.org.
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Additional resources for A Semantic Web Primer,
Thus an alternative stream in the development of the Semantic Web appears. • DLP is the intersection of OWL and Horn logic, and serves as a common foundation. The Semantic Web architecture is currently being debated and may be subject to reﬁnements and modiﬁcations in the future. 5 Book Overview 21 Book Overview In this book we concentrate on the Semantic Web technologies that have reached a reasonable degree of maturity. In chapter 2 we discuss XML and related technologies. XML introduces structure to Web documents, thus supporting syntactic interoperability.
5 Processing Instructions (PIs) PIs provide a mechanism for passing information to an application about how to handle elements. > PIs offer procedural possibilities in an otherwise declarative environment. 6 Well-Formed XML Documents An XML document is well-formed if it is syntactically correct. The following are some syntactic rules: • There is only one outermost element in the document (called the root element). • Each element contains an opening and a corresponding closing tag. • Tags may not overlap, as in
An element consists of an opening tag, its content, and a closing tag. For example,