Download Agency and the Semantic Web by Christopher Walton PDF

By Christopher Walton

This hugely topical textual content considers the development of the subsequent new release of the net, referred to as the Semantic internet. this may permit desktops to immediately devour Web-based details, overcoming the human-centric concentration of the net because it stands at the present, and expediting the development of a complete new classification of knowledge-based functions that might intelligently make the most of internet content.

The textual content is dependent into 3 major sections on wisdom illustration innovations, reasoning with multi-agent platforms, and information companies. for every of those themes, the textual content offers an outline of the cutting-edge ideas and the preferred criteria which have been outlined. a number of small programming examples are given, which show how some great benefits of the Semantic internet applied sciences might be discovered this present day. the most theoretical effects underlying all the applied sciences are offered, and the most difficulties and examine concerns which stay are summarized.
Based on a path on 'Multi-Agent structures and the Semantic net' taught on the college of Edinburgh, this article is perfect for final-year undergraduate and graduate scholars in arithmetic, machine technology, man made Intelligence, and good judgment and researchers drawn to Multi-Agent platforms and the Semantic Web.

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Example text

Protocols for agents can be expressed using a finite-state representation that defines the legal sequences of performatives in a dialogue. This approach has been adopted in a number of different agent frameworks. 5 defines an example protocol for a simple interaction between a doctor and a patient. The protocol begins with both agents in the INITIAL state. A patient agent then sends a request message to a doctor agent indicated by request(P, D), where P is a patient and D is a doctor. This message is intended to represent the patient making an appointment to see a doctor.

To represent this in RDF we must decompose into the binary predicates: constr uct(X, Camera), compose(X, Body), and compose(X, Lens). In general, such a decomposition will always be possible, thus a little tedious. As we see in the following section, RDF contains some additional syntactic sugar that simplifies the representation of n-ary predicates. 2 An XML syntax for RDF An RDF document consists of a list of descriptions. Each of these descriptions is in essence the definition of an RDF triple.

A lexical analysis, performed by a computation engine. e. a database of knowledge. Alternatively, we may be interested only in obtaining the ontology, and therefore we can consult an ontology store. Thus, we may obtain our knowledge from an ordinary website containing semantically annotated information. Knowledge services are typically implemented by encapsulating them in web services. 6 Knowledge services. many aspects of distributed processing and communication on the Web. The appeal of web services over other interoperability standards, such as CORBA, is the simplicity and flexibility of the architecture.

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