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The Semantic Web is the emerging landscape of new web technologies aiming at web-based information and services that would be understandable and reusable by both humans and machines. Ontologies, generally defined as a representation of a shared conceptualization of a particular domain, is a major component of the Semantic Web. It is anticipated that(More)
Keywords: HCI Accessibility Ontology management Universal design Emergency response information systems (ERIS) a b s t r a c t Providing alert communication in emergency situations is vital to reduce the number of victims. Reaching this goal is challenging due to users' diversity: people with disabilities, elderly and children, and other vulnerable groups.(More)
In this paper, we present a verification framework for security policies of Web designs. The framework is based on the transformation of the models that conform the system design into a formalism where further analysis can be performed. The transformation is specified as a triple graph transformation system , which in addition creates mappings between the(More)
We're living in a world where information processing isn't confined to desktop computers-it's being integrated into everyday objects and activities. Pervasive computation is human centered: it permeates our physical world, helping us achieve goals and fulfill our needs with minimum effort by exploiting natural interaction styles. Remote interaction with(More)
In the present study, a headspace solid-phase microextraction (HS-SPME) combined to gas chromatography-mass spectrometry (GC-MS) has been used to fully characterize aroma of truffles of different species. A fiber of medium polarity (for flavors) was used to avoid discrimination towards very non-polar and polar volatile compounds. In a previous work,(More)
ÐHypermedia applications can be defined as collections of interactive and multimedia documents that are organized as a hypertext net. The development of hypermedia applications poses specific problems, such as the need for modeling sophisticated navigational structures, interactive behaviors, and harmonic presentations involving the synchronization of(More)
Response to large-scale emergencies is a cooperative process that requires the active and coordinated participation of a variety of functionally independent agencies operating in adjacent regions. In practice, this essential cooperation is sometimes not attained or is reduced due to poor information sharing, non-fluent communication flows, and lack of(More)