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225 results for “concepts”

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Research ArticleOpen accessEvery word in the titleIntroduction to Fundamental Concepts of Spectroscopy Using the Lhires III SpectrographIvan Dario Arellano Ramirez, Angelica Maria Guapacha, Jairo Alberto Aguirre GalvisThis article proposes and analyzes the use of the high-resolution Lhires III spectrograph as a pedagogical tool for teaching-learning concepts of optical spectroscopy. A methodology was developed and it was tested in a population of 20 students from different engineering programs at the Technological University of Pereira, Colombia. The methodology was implemented through a guide, which describes the 3 experiments … …American Journal of Applied Sciences, Vol. 14, Issue 12 · 22 Dec 2017 · 8,227 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleQuery Translation using Concepts Similarity Based on Quran Ontology for Cross-Language Information RetrievalZulaini Yahya, Muhamad Taufik Abdullah, Azreen Azman, Rabiah Abdul KadirIn Cross-Language Information Retrieval (CLIR) process, the translation effects have a direct impact on the accuracy of follow-up retrieval results. In dictionary-based approach, we are dealing with the words that have more than one meaning which can decrease the retrieval performance if the query translation return an incorrect translations. These issues need to be overcome using efficient technique. In this … …Journal of Computer Science, Vol. 9, Issue 7 · 21 Jun 2013 · 7,469 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFormalizing Probability Concepts in a Type TheoryFarida KachapovaIn this paper we formalize some fundamental concepts of probability theory such as the axiomatic definition of probability space, random variables and their characteristics, in the Calculus of Inductive Constructions, which is a variant of type theory and the foundation for the proof assistant COQ. In a type theory every term and proposition should have a type, so in our … …Journal of Mathematics and Statistics, Vol. 14, Issue 1 · 12 Nov 2018 · 8,547 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStorm Runoff Estimation Using an Object Oriented Approach Based on the Concepts of System DynamicsMaryam Ghashghaie, Saeid Eslamian, Kaveh Ostad-Ali-Askari, Ali Hasantabar AmiriDeveloping nations are imposing the increasing impacts on their bio-resources due in part to their rising population, need to high economic growth and the incorporation of non-native technologies. Usually, watersheds are the major units, which are influenced leading to un-sustainability, specifically from the view point of water resources and hydrologic systems. Relying on a linear causal thinking, most of the … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 1 · 19 Mar 2018 · 7,687 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleNasa Selects Concepts for a New Mission to Titan, the Moon of SaturnRelly Victoria Petrescu, Raffaella Aversa, Antonio Apicella, Florian Ion Tiberiu PetrescuNasa just has selected two new concepts for some new robotic missions, one of which aims to explore potential landing sites on Saturn’s largest moon, Titan. This first concept is named Dragonfly, which is a drone-like rotorcraft that would use the environment on Titan to fly to a number of locations to sample materials and determine surface composition to examine … …Journal of Aircraft and Spacecraft Technology, Vol. 2, Issue 1 · 19 Jan 2018 · 12,003 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Cryptosystem Using the Concepts of Algebraic Geometric CodeK. V. Pramod, C. ManjuProblem statement: Cryptosystem using linear codes was developed in 1978 by Mc-Eliece. Later in 1985 Niederreiter and others developed a modified version of cryptosystem using concepts of linear codes. But these systems were not used frequently because of its larger key size. In this study we were designing a cryptosystem using the concepts of algebraic geometric codes with smaller key … …Journal of Computer Science, Vol. 6, Issue 3 · 31 Mar 2010 · 7,444 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExtending the Concepts of Normalization from Relational Databases to Extensible-Markup-Language Databases ModelH.J. F. El-SofanyIn this study we have studied the problem of how to extend the concepts of Functional Dependency (FD) and normalization in relational databases to include the eXtensible Markup Language (XML) model. We shown that, like relational databases, XML documents may contain redundant information and this redundancy may cause update anomalies. Furthermore, such problems are caused by certain functional dependencies among … …Journal of Computer Science, Vol. 4, Issue 9 · 30 Sep 2008 · 6,461 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIntegrating Software Architecture Concepts into the MDA Platform with UML ProfileAdel Alti, Tahar Khammaci, Adel SmedaArchitecture Description Languages (ADLs) provide an abstract representation of software systems. Achieving a concrete mapping of such representation into the implementation is one of the principal aspects of MDA (Model Driven Architecture). Integration of ADLs within MDA confers to the MDA platform a higher level of abstraction and a degree of reuse of ADLs. Indeed they have significantly different platform … …Journal of Computer Science, Vol. 3, Issue 10 · 31 Oct 2007 · 6,602 accessesView PDFCite