Download Semantic Service Provisioning by Mathias Weske (auth.), Dominik Kuropka, Steffen Staab, Peter PDF

By Mathias Weske (auth.), Dominik Kuropka, Steffen Staab, Peter Tröger, Mathias Weske (eds.)

Service-oriented computing has lately received huge momentum in either and academia, and significant software program proprietors hook directly to the carrier paradigm and tailor their software program structures in the direction of providers that allows you to accommodate ever-changing strategy and product requisites in today’s dynamic marketplace environments. whereas dynamic binding of providers at runtime used to be pointed out as a center performance of service-based environments way back to 2000, its industrial-strength implementation has but to be accomplished. the most explanation for this can be the shortcoming of wealthy carrier requirements, recommendations, and instruments to strategy them.

This booklet introduces complicated suggestions in provider provisioning and repair engineering, together with semantic suggestions, dynamic discovery and composition, and illustrates them in a concrete enterprise use case situation. To turn out the validity of the thoughts and applied sciences, a semantic carrier provisioning reference structure framework in addition to a prototypical implementation of its subsystems and a prototypical cognizance of a formal enterprise state of affairs are offered. hence the ebook is going approach past present service-based software program applied sciences by way of delivering a coherent and constant set of applied sciences and platforms performance that realizes complex techniques in provider provisioning.

Both the use case state of affairs and the provisioning platform have already been substantiated and carried out via the EU-funded Adaptive prone Grid undertaking. The e-book accordingly provides cutting-edge learn effects that experience already handed a true business implementation evaluate that's in response to the paintings of over 20 eu companions cooperating within the box of semantic carrier provisioning.

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2. 3. A relation example relation hasDomainState(impliesType domainName, impliesType domainState) Relations A relation definition starts with the keyword relation, followed by an identifier. A relation can be defined as subRelationOf another relation. The usage of impliesType and ofType for parameter type definitions corresponds to the usage in attribute definitions. In WSML-DL relations are binary, and the parameters are strictly ordered. Also, the ofType keyword is only allowed in combination with a datatype and only the second parameter may have a datatype at its range.

HasAddress(person, address) holds between a person and its address. • creditCardOwner(creditCard, contact) states that a person described through the contact is the legal owner of a creditCard. Each creditCard instance can have only one contact. • paymentTransaction(paymentData, paymentTransactionData) states that the paymentData has been charged through a transaction expressed as paymentTransactionData. Each paymentTransactionData must be associated to exactly one paymentData. e. a credit card) can relate to more than one paymentTransactionData in a sense that it has been used for different payments.

First, people investigated the formal properties of the description logics languages. Each description logics language is defined by the exact set of logical patterns it includes. It was found that some simple reasoning patterns turn out an undecidable description logics language [173], while other useful combinations yield decidable fragments of firstorder predicate logics. Second, Horrocks [91] exploited progress made in the field of theorem proving (more specifically in tableaux reasoning) for an expressive description logics in order to scale sound and complete reasoning in description logics by two orders of magnitude.

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