By Serge Linckels, Christoph Meinel
This publication introduces a brand new method of designing E-Librarian prone. With assistance from the program, clients could be capable of retrieve multimedia assets from electronic libraries extra successfully than they'd through shopping via an index or through the use of an easy key-phrase seek. E-Librarian prone mix contemporary advances in multimedia details retrieval with points of human-machine interfaces, equivalent to the facility to invite questions in average language; they simulate a human librarian by way of discovering and supplying the main correct records that provide clients strength solutions to their queries. the idea is that extra pertinent effects will be retrieved if the hunt engine is aware the that means of the question; the lower back effects are as a result logical outcomes of an inference instead of of key-phrase fits. additionally, E-Librarian providers continually supply clients with an answer, even in events the place they're not able to provide a accomplished answer.
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Additional info for E-Librarian Service: User-Friendly Semantic Search in Digital Libraries
The standard top-class is rdfs:Resource in the RDF syntax. Inheritance only applies to classes, not to properties. The qualiﬁed name of a property is deﬁned by the attribute about. Properties are not nested inside classes. Therefore, the element domain is required to specify the class to which the property belongs. Optionally, the element range deﬁnes the class which the property references. This can be another user-deﬁned class, like in our example, to specify that a “Person” performs a “Technique”.
Properties are user-deﬁned child-elements of Description. In our example, we deﬁne properties in the namespace demo. 3. If a predicate refers to another resource (and not to a literal), then the URI of the referenced resource is speciﬁed by the attribute resource. 6. org/ 32 2 Semantic Web and Ontologies < rdf : RDF xmlns : rdf =" http :// www . w3 . org /1999/02/22 - rdf - syntax - ns #" xmlns : demo =" http :// www . linckels . lu / demo /" > < rdf : Description rdf : about ="19780329123" / > < rdf : Description rdf : about =" KICK1 " > < demo : description > yop chagi demo : description > rdf : Description > < rdf : Description rdf : about =" http :// www .
Deﬁnitions and inclusion assertions) are cyclic. An axiom is cyclic when it uses itself, that means if the deﬁned concept appears (directly or indirectly) in its own conception description. A terminology that does not contain cyclic axioms is called acyclic. Actor. Expanding Terminologies A terminology that is acyclic can be expanded. This can be done through an iterative process over the axioms by replacing each occurrence of a deﬁned concept (on the right-hand side of the concept description) with the concepts that it stands for.