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Along with the success of the digitally revived stereoscopic cinema, other events beyond 3D movies become attractive for movie theater operators, i.e. interactive 3D games. In this paper, we present a case that explores possible challenges and solutions for interactive 3D games to be played by a movie theater audience. We analyze the setting and showcase current issues related to lighting and interaction. Our second focus is to provide gameplay mechanics that make special use of stereoscopy, especially depth-based game design. Based on these results, we present YouDash3D, a game prototype that explores public stereoscopic gameplay in a reduced kiosk setup. It features live 3D HD video stream of a professional stereo camera rig rendered in a real-time game scene. We use the effect to place the stereoscopic effigies of players into the digital game. The game showcases how stereoscopic vision can provide for a novel depth-based game mechanic. Projected trigger zones and distributed clusters of the audience video allow for easy adaptation to larger audiences and 3D movie theater gaming.
YAWL User Group
(2012)
XML Encryption and XML Signature are fundamental security standards forming the core for many applications which require to process XML-based data. Due to the increased usage of XML in distributed systems and platforms such as in SOA and Cloud settings, the demand for robust and effective security mechanisms increased as well. Recent research work discovered, however, substantial vulnerabilities in these standards as well as in the vast majority of the available implementations. Amongst them, the so-called XML Signature Wrapping attack belongs to the most relevant ones. With the many possible instances of this attack type, it is feasible to annul security systems relying on XML Signature and to gain access to protected resources as has been successfully demonstrated lately for various Cloud infrastructures and services. This paper contributes a comprehensive approach to robust and effective XML Signatures for SOAP-based Web Services. An architecture is proposed, which integrates the r equired enhancements to ensure a fail-safe and robust signature generation and verification. Following this architecture, a hardened XML Signature library has been implemented. The obtained evaluation results show that the developed concept and library provide the targeted robustness against all kinds of known XML Signature Wrapping attacks. Furthermore the empirical results underline, that these security merits are obtained at low efficiency and performance costs as well as remain compliant with the underlying standards.
The ability to breathe air represents a fundamental step in vertebrate evolution that was accompanied by several anatomical and physiological adaptations. The morphology of the air-blood barrier is highly conserved within air-breathing vertebrates. It is formed by three different plies, which are represented by the alveolar epithelium, the basal lamina, and the endothelial layer. Besides these conserved morphological elements, another common feature of vertebrate lungs is that they contain a certain amount of fluid that covers the alveolar epithelium. The volume and composition of the alveolar fluid is regulated by transepithelial ion transport mechanisms expressed in alveolar epithelial cells. These transport mechanisms have been reviewed extensively. Therefore, the present review focuses on the properties and functional significance of the alveolar fluid. How does the fluid enter the alveoli? What is the fate of the fluid in the alveoli? What is the function of the alveolar fluid in the lungs? The review highlights the importance of the alveolar fluid, its volume and its composition. Maintenance of the fluid volume and composition within certain limits is critical to facilitate gas exchange. We propose that the alveolar fluid is an essential element of the air-blood barrier. Therefore, it is appropriate to refer to this barrier as being formed by four plies, namely (1) the thin fluid layer covering the apical membrane of the epithelial cells, (2) the epithelial cell layer, (3) the basal membrane, and (4) the endothelial cells.
Die Frage der Wertorientierungen wirtschaftlichen und politischen Handelns gewinnt immer dann ein öffentliches Interesse, wenn soziale Probleme oder Konflikte von existenzieller Bedeutung für die Betroffenen auftreten. Ist es richtig, das Unternehmenswohl höher einzustufen als das Wohl der Mitarbeiter und ihrer Familien?
Werte gelten gemeinhin als Orientierungsgrundlagen von Individuen und Gesellschaften. Führungskräfte sind für die Praxis sozialer Verantwortung wirtschaftlicher, politischer und sozialer Organisationen von herausragender Bedeutung.
Ziel des vorliegenden Bandes ist es, das Thema Werte und Werthaltungen von angehenden Führungskräften aus interdisziplinärer wissenschaftlicher sowie aus wirtschafts- und gesellschaftsbezogener Perspektive zu beleuchten. Die zentralen Themen dabei sind die Bestandsaufnahme und Erfassung von Werten und Werthaltungen, die Anforderungen an die Werthaltungen von Führungskräften aus Wirtschaft und Gesellschaft sowie die Vermittlung von Werten an die künftigen Führungskräfte. Die Thematik wird von ausgewiesenen Experten aus Wissenschaft und Praxis facettenreich behandelt und präsentiert. So werden in diesem Sammelband aktuelle und zukunftsweisende wirtschaftsethische Themen einer vielfältigen Analyse unterzogen und Antworten auf brennende Fragen gegeben.