982 research outputs found

    Industrialisation of Additive Manufacturing ¿ A Holistic approach: From design to production

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    L'abstract è presente nell'allegato / the abstract is in the attachmen

    A Modular Logic Approach for Expressing Web Services in XML Applying Dynamic Rules in XML

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    RuleML is considered to be a markup language for the semantic web. It allows the enrichment of web ontologies by adding definitions of derived concepts and it enhances interoperability among different systems and tools by publishing rules in an XML format. Moreover the in-creasing demand for interfaces that enhance information sharing has given rise to XML doc-uments that include embedded calls to web services. In this paper we propose a variation of RuleML that is based on modular logic programming. Our approach is based in a two level architecture. In the first level a modular logic language, called M-log, is presented. This lan-guage encompasses several mechanisms for invoking web services. In the second level we ex-ploit the semantics of M-log to present a variation of RuleML with rich modeling capabilities. Formal foundations for this variation are given through direct translation to M-log semantics.Knowledge Management, XML, Modular Logic Programming, E-Services

    Optimisation of Downskin Parameters to produce Metallic Parts Via Laser Powder Bed Fusion process: an overview

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    Additive manufacturing technologies are considered as advanced processes in which it is possible to produce complex shape components in a layer-by-layer manner. In these technologies, it is reported that in the production of parts with angles higher than 45 degrees, no support is required. Whereas, below this angle, depending on the material it is necessary to use the support structures to dissipate the heat and counterbalance the force of the recoding blade. There is a risk of part detachment at these angles during the building process and, consequently, failure. On the other hand, if no failure happens, a heavy dross formation on the downskin surface will occur, resulting in a surface with high roughness. Hence, many studies have been undertaken to face this topic and study the effect of various parameters, such as layer thickness, laser power, and scan speed, on the quality of the downskin surface of the minimum printable angle without the support requirement. This paper offers an overview of the last progress on the effect of process parameters on the surface quality of the downward surfaces in the production of complex parts via the laser powder bed fusion process. This review highlights the best practices that may be considered for future works to find the effective parameters for producing complex shape components with low angles without support structure

    Ioannis Dallaei De imaginibus libri IV.

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    Includes errata at end.Signatures: *⁸ A-2L⁸ 2M⁴ chi².Woodcut printer's device on t.p. Head- and tail-pieces, initials.Scanned copy bound with: Joannis Dallaei Apologia pro ecclesiis reformatis. Amstelodami : Apud Jodocum Jansonium, 1652.Mode of access: Internet.Binding: vellum. Author & titles written at head of spine.With his: Apologia pro ecclesiis reformatis (Amsterdam : J. Janson, 1652)

    Ioannis Metaxas: Speech on the occasion of the inauguration of public works

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    Title: Λόγος κατά τα εγκαίνια των έργων του Σελινούντος Αιγιαλείας (Speech on the occasion of the inauguration of the public works at Selinous, Egialia) Originally published: Delivered at Selinous on 31 October 1937. Language: Greek The excerpts used are from Ioannis Metaxas, Λόγοι και Ομιλίες (Athens: Ερμής, 1992), pp. 247–255. About the author Ioannis Metaxas [1871, Ithaca (Ionian Islands)–1941, Athens]: military officer and politician. He was born into a well-known aristocratic family. In ..

    Literary Recants of a Tenth-Century Scholar: The Case of Ioannis Kaminiates

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    This paper seeks to interpret the attitude of Ioannis Kaminiates towards Homer, for while initially criticising his literary predecessor, the author of On the Capture of Thessaloniki later adopts many of his turns of phrase

    My journey

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    Title: Τό ταξίδι μου (My journey) Originally published: Αθήνα, n. p., 1888 Language: Greek The excerpts used are from Ἰωάννης Ψυχάρης, Τό ταξίδι μου, ed. by Alkis Agelou (Athens: Ἐστία: Νεοελληνική Βιβλιοθήκη, 1993), pp. 37–39, 64–67, 75–76, 89. About the author Ioannis (Jean) Psicharis [1854, Odessa – 1929, Paris]: writer, linguist and critic. Psicharis was born to a well-off family. After his mother’s early death his father brought him to Istanbul in 1860, where he spent his childhood. His ..

    Of this great idea

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    Title: Τῆς Μεγάλης αυτής Ἰδέας (Of this Great Idea) Originally published: Ιt was published in Ἠ τῆς τρίτης Σεπτεµβρίου ἐν Άθήναις Ἐθνική Συνέλευσις, Athens, Βουλή των Ελλήνων, 1844 Language: Greek The excerpts used are from Constantinos Th. Dimaras, Ελληνικός Ρωµαντισµός (Athens: Ερµής, 1985), pp. 405–406. About the author Ioannis Kolettis [1773, Sirako (Epirus) – 1847, Athens]: medical doctor, politician and writer. He was educated in his hometown of Sirako and in nearby Kalarites, both pros..

    Gramática, traducción y lengua en Ioannis Vilarás (1771-1823)

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    The author presents in this article Velaras’s brief treatise The Romeic Language, Corfu, 1814, a key guide on the vindication of spoken Greek. His linguistic proposals, as well as the stylistic and translation decisions of the author are succinctly analyzed and commented on in order to defend its importance for Greek studies.La autora presenta en este artículo el opúsculo de Ioannis Vilarás, La lengua romeica, Corfú, 1814, obra de referencia sobre la defensa de la lengua griega hablada. Se analizan sucintamente las propuestas lingüísticas, estilísticas y traductoras del autor que se desprenden de esta obra así como su trascendencia en las letras neogriegas
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