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Vlastnosti cementových matric v prostředí úložišť radioaktivních odpadů / Properties of cementitious matrix in the environment of radioactive waste respositoriesPodojil, Adam January 2017 (has links)
Cementitious materials will serve as a construction and filler material for the construction of a deep repository of radioactive waste. Therefore, three different materials represented by four samples were studied in the present work. This is CEM II AS 42,5R cement commercially available in Čížkovice, cement CEM III B / 32,5 SV with ash and aggregate used as filler concrete for storage chambers from radioactive waste repository Richard and cement CEM I 42, 5 with fine and coarseraggregate used for fixed radioactive waste (RAW) in Velké Zbytky in the area of ÚJV Řež,as Chemical (silicate analysis) and phase composition (XRD powder diffraction analysis) were determined in the studied materials. Further, the orientation strength of the monolithic samples and their mutual comparison (compression strength measurement) were determined. Percolation leaching experiments were carried out, three columns with CEMII, RICHARD and ÚJV samples were run. The conditions of the experiments were chosen to approach the conditions in the rock environment of a possible deep radioactive waste repository. Synthetic granite water (SGW) was used as the leaching solution. In all column experiments, attempts to observe changesin the concentrations of selectedindicators (Na+ , K+ , OH- ,Ca2+ ,pH, Conductivity, SiO2, Mg2+ and...
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Elaboration d'un cadre méthodologique pour l'analyse de l'information médicale de la tarification à l'activité / Construction of a methodological framework for the analysis of medical information within the French prospective payment systemBoudemaghe, Thierry 09 December 2016 (has links)
En dépit de la production standardisée de millions d'enregistrements décrivant année après année l'activité d'hospitalisation complète en France, aucune étude globale, aucun suivi précis et répété dans le temps, n'a pu être mené à partir de ces données.Si ces données sont exploitées dans une grande variété d'études spécifiques, elles peinent à trouver une utilisation significative dans l'analyse de l'activité et du recrutement des établissements de santé, ou dans celle des besoins de la population. Tout un pan d'analyse de l'efficience du système de santé reste ainsi inaccessible.Nous nous fixons comme objectif de contribuer à développer un cadre précis d'exploitation de ces données. Cette démarche se fera en trois temps :- Définition d'une méthode de consolidation des données ;- Construction de référentiels d'analyse des données ;- Elaboration de méthodes d'analyse sur deux thématiques générales : la caractérisation de l'activité des établissements et l'étude de leur recrutement, avec exemple d'application de ces méthodes. / Millions of computerized records describing inpatient hospitalization activity are produced year after year in France.In spite of the availability of this massive amount of data, no global, iterative and well calibrated related study on health system efficiency has been possible.There are of course many specific studies partially or totally relying on these data, but their systematic use for assessing hospital activity, catchment areas or population health needs remains to be implented.Our work aims to contribute to create a methodological framework for analyzing these data through a three step approach :- Definition of data consolidation methods ;- Creation of adequate data repositories ;- Determination of analysis methods for two general topics : hospital activity characterization and study, with example applications.
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Logistika radioaktivního odpadu / Logistics of radioactive wasteKnapová, Jitka January 2013 (has links)
The aim of diploma thesis is to analyse the overall technical base and to monitor logistic processes which are from the very beginning associated with radioactive waste and spent nuclear fuel. The main emphasis is put on spent nuclear fuel from nuclear power plants. The current situation in this area is illustrated by an example of the Czech Republic and Sweden. The comparison of Czech and Swedish system leads to demonstration of strengths and weaknesses of the used methods.
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A Netcentric Scientific Research RepositoryHarrington, Brian 12 1900 (has links)
The Internet and networks in general have become essential tools for disseminating in-formation. Search engines have become the predominant means of finding information on the Web and all other data repositories, including local resources. Domain scientists regularly acquire and analyze images generated by equipment such as microscopes and cameras, resulting in complex image files that need to be managed in a convenient manner. This type of integrated environment has been recently termed a netcentric sci-entific research repository. I developed a number of data manipulation tools that allow researchers to manage their information more effectively in a netcentric environment. The specific contributions are: (1) A unique interface for management of data including files and relational databases. A wrapper for relational databases was developed so that the data can be indexed and searched using traditional search engines. This approach allows data in databases to be searched with the same interface as other data. Fur-thermore, this approach makes it easier for scientists to work with their data if they are not familiar with SQL. (2) A Web services based architecture for integrating analysis op-erations into a repository. This technique allows the system to leverage the large num-ber of existing tools by wrapping them with a Web service and registering the service with the repository. Metadata associated with Web services was enhanced to allow this feature to be included. In addition, an improved binary to text encoding scheme was de-veloped to reduce the size overhead for sending large scientific data files via XML mes-sages used in Web services. (3) Integrated image analysis operations with SQL. This technique allows for images to be stored and managed conveniently in a relational da-tabase. SQL supplemented with map algebra operations is used to select and perform operations on sets of images.
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Factors Affecting Faculty Use Of Learning Object Repositories: An Exploratory Study Of Orange Grove And Wisc-onlineXu, Hong 12 1900 (has links)
The purpose of this study was to identify factors that motivate or impede faculty use of learning object repositories (LORs). The unified theory of acceptance and use of technology (UTAUT) served as the theoretical framework for this study. Both quantitative and qualitative approaches were used in the study to explore two research questions relating to factors affecting faculty use of LORs. Research subjects were faculty and instructional staff users from two LORs: Orange Grove and Wisc-Online. This study was a two-phase design study. In Phase I, I conducted 13 interviews and analyzed data by a content analysis method. Phase II of the study was designed based on the results of Phase I. I collected data by a survey instrument from 38 respondents and analyzed the data by descriptive statistics and analysis of variance in Phase II. The results of the study indicated 22 factors as motivators for faculty use of LORs and 13 factors as barriers for faculty use of LORs. The study is the first to identify factors affecting faculty use of LORs from actual faculty users’ perspectives based on UTAUT. The study’s findings contribute to understanding the reasons that faculty use or do not use LORs and provide foundations for designing strategies to increase faculty use of LORs.
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Uma abordagem baseada em serviços para facilitar o reúso de sistema de sistemas e seus constituintes / A service-based approach to facilitate the reuse of system of systems and its constituentsDiego de Lima Nascimento 15 February 2018 (has links)
Sistemas de software estão cada vez mais presentes na sociedade, bem como são componentes imprescindíveis no mundo contemporâneo, uma vez que facilitam e fomentam as praticidades que os cidadãos e desenvolvedores necessitam. Esses sistemas tornam-se muito mais eficientes quando conseguem interoperar com outros, de forma que troquem recursos e não necessitem implementar essas funcionalidades de maneira individual. Os stakeholders desses sistemas buscam cada vez mais métodos que facilitem essa comunicação, de um jeito prático e sem perder a independência gerencial de cada um. Desse modo, a classe emergente de Sistema de Sistemas (SoS) ganhou uma atenção considerável, por causa de suas características intrínsecas que promovem a interoperabilidade de sistemas distintos e heterogêneos. No entanto, essa comunicação não é trivial, em razão das diferentes interfaces de cada sistema, além da presença de vários stakeholders e a falta de documentação dos sistemas constituintes, dificultando assim, a busca e o uso de cada capacidade. Assim, o objetivo deste trabalho de mestrado é estabelecer uma abordagem baseada em serviços que visa auxiliar os engenheiros de SoS, principalmente na falta de ferramentas de suporte e no esforço para procurar, compreender e adaptar componentes reutilizáveis. A abordagem proposta possui elementos fundamentais que foram utilizados como base para o desenvolvimento de um repositório para engenheiros de SoS e proprietários de sistemas constituintes, de forma organizada e bem documentada, visto que pode ser usado tanto pela comunidade de pesquisa quanto por instituições privadas. / Software systems are increasingly present in society, and consist in indispensable components in the contemporary world, since they facilitate and foster the practices that citizens and developers need. These systems become much more efficient when they can interoperate with others, so that they exchange resources and do not need to implement these features individually. Stakeholders of these systems increasingly seek methods that facilitate such communication in a practical way and without losing the managerial independence of each one. Therefore, the emerging System Of System class (SoS) gained considerable attention, because of its intrinsic characteristics that promote the interoperability of distinct and heterogeneous systems. However, this communication is not trivial, due to the different interfaces of each system, besides the presence of several stakeholders and the lack of documentation of the constituent systems, making it difficult to search and to use each capacity. Thus, the aim of this masters project is to establish a service-based approach that aims to assist SoS engineers, especially in the lack of supporting tools, in the effort to search, understand and adapt reusable components. The proposed approach has fundamental elements that were used as the basis for the development of a repository for SoS engineers and owners of constituent systems, in an organized and well documented way, since it can be used by both the research community and private institutions.
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Streamlining user processes for a general data repository for life science in accordance with the FAIR principlesAsklöf, Anna January 2021 (has links)
With the increasing amounts of data generated in life science, methods for data storage and sharing are being developed and implemented. Online data repositories are more and more commonly used for data sharing. The national Swedish platform Science of Life Laboratory has decided to use an institutional data repository as a mean to address the increasing amounts of data generated at the platform. In this project, the system used for the institutional repository at SciLifeLab was studied and compared to implementations of the same system at other institutions to create user documentation for the repository. This documentation was created with the FAIR principles as a guidance. Feedback on the guidelines were then sought from users and based on the received feedback, the user documentation was improved. Using a FAIR evaluation tool called FAIR evaluation services, items published on the repository were evaluated. Investigation of these results and their correlation to the items record on the repository were carried out. Out of ten evaluated datasets all except one scored exactly the same on the FAIR evaluation services tests. This could indicate that the test used is not evaluating aspects needed to encounter the differences in these published items. Based on this, conclusions as to in what extent user documentation can increase the FAIRness of data cannot be drawn.
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Lineamientos para implementar repositorios académicos / Guidelines to implement academic repositoriesHuaroto, Libio 29 August 2014 (has links)
Seminario: Implementación del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto para universidades del país. 29 de Agosto de 2014. Lima, Perú. Evento organizado por la Dirección de Investigación de la Asamblea Nacional de Rectores / La ponencita aborda aspectos relacionados con normaitvas y lineamientos para implementar repositorios acaddémicos, asi mismo, aborda temas sobre repositorios de datos, iniciativas, esperiencias. Al final se propone algunos puntos para diseñar indicadores. / Revisión por pares
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Réglementation des marchés dérivés de gré à gré en Europe : EMIR, plus de transparence ? / OTC Market Regulation in Europe : what does EMIR bring in terms of transparency ?Streiff, Frédéric 05 December 2018 (has links)
Suite à la crise financière de 2007, un ensemble de réglementations a été mis en place au niveau mondial, dont EMIR en Europe. Parmi les obligations engendrées par ce texte, il y a l’obligation de déclarer à l’autorité de tutelle toutes les opérations de produits dérivés traitées de gré à gré. Ceci dans le but d’augmenter la transparence sur ces marchés. L’objectif de mon travail étant de démontrer que cela n’est en fait pas le cas. Pour cela, j’explore deux principaux axes. Le premier concerne la déclaration effective des transactions et le traitement de ces informations par les autorités de tutelle. J’exploite pour cela les données publiques relatives à cette problématique et également les informations dont je dispose dans le cadre de mon travail. Les données sont relativement bien déclarées mais ne sont pas ou très peu exploitées par les autorités de tutelle. Le second axe est plus théorique. L’information ne conduit pas nécessairement à la transparence. Ce qui est important pour le bon fonctionnement des marchés dérivés est la symétrie de l’information et la confiance entre les intervenants. / Following the financial crisis of 2007, a set of regulations was implemented, including EMIR in Europe. Among the obligations arising from this text, there is an obligation to declare to the regulatory authority all OTC transactions. The goal is to increase transparency on OTC markets. My objective is to demonstrate that this is not actually the case. For that, I explore two main axes. The first one concerns the implementation of the reporting obligation and the analysis of this data by regulators. For this purpose, I use the public data on this issue and also the private data from my work. The data are relatively well reported but not fully exploited by the regulatory authorities. The second axis is more theoretical. Information does not necessarily lead to transparency. The symmetry of information and trust between OTC’s participants are the most important.
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Modellierung und prototypische Implementierung eines Repository-Ansatzes für technische Metadaten in Data Warehouse-UmgebungenNguyen, Thi Minh Thu 20 October 2017 (has links)
In den letzten Jahren nimmt die Bedeutung des Data Warehousing für Entscheidungsprozesse stark zu. Für eine Data Warehouse-Umgebung, die mehrere heterogene Datenquellen sowie unterschiedliche Tools integriert, ist ein leistungsfähiges Metadaten-Management unerläßlich. Data Warehouse-Metadaten können in zwei Klassen unterteilt werden: technische und semantische Metadaten. Während semantische Metadaten den Endbenutzern beim Prozeß der Analyse, Abfrage und Navigation zur Verfügung stehen, unterstützen technische Metadaten Administratoren, Entwickler und Programmierer beim Extraktions-, Transformations- und Lade- (ETL-) Prozeß. Eine wesentliche Anforderung an ein mächtiges Metadaten-Management ist die Verwaltung der Metadaten in einem Repository, das die Integration von technischen und semantischen Metadaten, von unterschiedlichen Tools und Software einer Data Warehouse-Umgebung ermöglicht. Aufgrund der Komplexität der Problematik befaßt sich diese Arbeit vor allem mit technischen Metadaten. Mittels der Modellierungssprache UML wird ein Modell für technische Metadaten etabliert. Anschließend wird dieses Metamodells auf dem objektrelationalen DBMS Informix Universal Server Version 9.1 implementiert. Die Programmierung mit ODBC ermöglicht einen einheitlichen Zugriff auf unterschiedliche DBMS. Durch das entwickelte Repository können nicht nur Metadaten bezüglich Inhalt und Struktur verschiedener Datenhaltungssysteme aus den jeweiligen Data Dictionaries importiert, sondern auch Definitionen von Abbildungen zwischen diesen Systemen vorgenommen werden.
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