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Shape expressions: an RDF validation and transformation language
RDF is a graph based data model which is widely used for semantic web and linked data applications. In this paper we describe a Shape Expression definition language which enables RDF validationExpand
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Complexity and Expressiveness of ShEx for RDF
We study the expressiveness and complexity of Shape Expression Schema (ShEx), a novel schema formalism for RDF currently under development by W3C. ShEx assigns types to the nodes of an RDF graph andExpand
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Semantics and Validation of Shapes Schemas for RDF
We present a formal semantics and proof of soundness for shapes schemas, an expressive schema language for RDF graphs that is the foundation of Shape Expressions Language 2.0. It can be used toExpand
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SeDeLo: Using Semantics and Description Logics to Support Aided Clinical Diagnosis
Automated medical diagnosis systems based on knowledge-oriented descriptions have gained momentum with the emergence of semantic descriptions. The objective of this paper is to propose a normalizedExpand
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Searching over Public Administration Legal Documents Using Ontologies
A printed circuit board modification and repair system is presented which functions under computer control. Modification is accomplished by securing the printed circuit board to an X-Y positioningExpand
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A Semantic Based Collaborative System for the Interoperability of XBRL Accounting Information
The annual accounts and other financial information of big companies is being worldwide standardized. The open standard that allows this standardization is XBRL, an XML vocabulary for exchangingExpand
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Towards an architecture and adoption process for linked data technologies in open government contexts: a case study for the Library of Congress of Chile
The idea of "Web of data"[21] has been widely enhanced by the establishment of Linked Data principles on the Web [5]. The emergence of Linking Open Data Project opens the doors to the concept ofExpand
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ONTOSPREAD: A Framework for Supporting the Activation of Concepts in Graph-Based Structures through the Spreading Activation Technique
The present paper introduces the ONTOSPREAD framework for the development, configuration, customization and execution of the Spreading Activation technique over graph-based structures, moreExpand
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Using Semantic Web Technology in Requirements Specifications
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Enhancing e-Learning Content by Using Semantic Web Technologies
We describe a new educational tool that relies on Semantic Web technologies to enhance lessons content. We conducted an experiment with 32 students whose results demonstrate better performance whenExpand
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