Academic literature on the topic 'Validation à long terme'

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Journal articles on the topic "Validation à long terme"

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Loew, Alexander, Ralf Bennartz, Frank Fell, Alessio Lattanzio, Marie Doutriaux-Boucher, and Jörg Schulz. "A database of global reference sites to support validation of satellite surface albedo datasets (SAVS 1.0)." Earth System Science Data 8, no. 2 (September 23, 2016): 425–38. http://dx.doi.org/10.5194/essd-8-425-2016.

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Abstract. Validating the accuracy and long-term stability of terrestrial satellite data products necessitates a network of reference sites. This paper documents a global database of more than 2000 sites globally which have been characterized in terms of their spatial heterogeneity. The work was motivated by the need for potential validation sites for geostationary surface albedo data products, but the resulting database is useful also for other applications. The database (SAVS 1.0) is publicly available through the EUMETSAT website (http://savs.eumetsat.int/, doi:10.15770/EUM_SEC_CLM_1001). Sites can be filtered according to different criteria, providing a flexible way to identify potential validation sites for further studies and a traceable approach to characterize the heterogeneity of these reference sites. The present paper describes the detailed information on the generation of the SAVS 1.0 database and its characteristics.
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Chapman-Hilliard, Collette, Tahirah Abdullah, Ellen-ge Denton, Andrea Holman, and Germine Awad. "The Index of Race-Related Stress-Brief: Further Validation, Cross-Validation, and Item Response Theory-Based Evidence." Journal of Black Psychology 46, no. 6-7 (August 7, 2020): 550–80. http://dx.doi.org/10.1177/0095798420947508.

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The Index of Race-Related Stress-Brief (IRRS-B) is one of the most widely used measures to assess race-related stress among Black Americans. Despite a long history of use in research and clinical settings, there has been limited scholarship examining the factor structure of the IRRS-B. In this study, we evaluated the item functioning and structural performance of the IRRS-B scores in a nationally recruited sample of Black Americans using item response and confirmatory factor analyses. Item-level analyses illustrated that items on the IRRS-B, in general, tended to be most informative at moderate levels of the latent construct. The proposed three-factor structure yielded a comparable fit to the data in a validation and a cross-validation subsample but did not meet recommended cutoff values for adequate model fit. Findings are discussed in terms of the implications for future use of the IRRS-B in research and clinical contexts.
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Ortiz-Andrellucchi, Adriana, Jorge Doreste-Alonso, Patricia Henríquez-Sánchez, Irene Cetin, and Lluís Serra-Majem. "Dietary assessment methods for micronutrient intake in pregnant women: a systematic review." British Journal of Nutrition 102, S1 (December 2009): S64—S86. http://dx.doi.org/10.1017/s0007114509993151.

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The EURopean micronutrient RECommendations Aligned (EURRECA) Network of Excellence needs clear guidelines for assessing the validity of reported micronutrient intakes among vulnerable population groups. A systematic literature search identified studies validating the methodology used for measuring usual dietary intake during pregnancy. The quality of each validation study selected was assessed using a EURRECA-developed scoring system. The validation studies were categorised according to whether the study used a reference method that reflected short-term intake ( < 7 d) long-term intake ( ≥ 7 d) or used biomarkers (BM). A correlation coefficient for each micronutrient was calculated from the mean of the correlation coefficients from each study weighted by the quality of the study. Seventeen papers were selected, which included the validation of fifteen FFQ, two dietary records (DR), one diet history and a Fe intake checklist. Estimates of twenty-six micronutrients by six FFQ were validated against 24-h recalls indicating good correlation for six micronutrients. Estimates of twenty-four micronutrients by two FFQ were validated against estimated DR and all had good or acceptable correlations. Estimates of fourteen micronutrients by three FFQ were validated against weighed DR indicating good correlations for five. Six FFQ were validated against BM, presenting good correlations only for folic acid. FFQ appear to be most reliable for measuring short-term intakes of vitamins E and B6 and long-term intakes of thiamin. Apart from folic acid, BM do not add any more certainty in terms of intake method reliability. When frequency methods are used, the inclusion of dietary supplements improves their reliability for most micronutrients.
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Vinckier, F. "Cartographier le déficit motivationnel : une étude de K ?" European Psychiatry 30, S2 (November 2015): S51. http://dx.doi.org/10.1016/j.eurpsy.2015.09.144.

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Les troubles de la motivation constituent une dimension essentielle de nombreuses pathologies psychiatriques. Ils sont associés à un handicap considérable, interfèrent avec l’observance des traitements et restent peu accessible à ceux-ci. Pourtant, les déficits motivationnels restent évalués en clinique au travers de questionnaires qui ne permettent pas de déterminer quelles sont les perturbations sous-jacentes à ces troubles au niveau neurophysiologique. L’objet de cette présentation est de montrer quel peut être l’apport d’une approche computationnelle pour identifier des cibles thérapeutiques aux niveaux cognitif et cérébral. Nous présenterons dans un premier temps un projet de batterie motivationnelle regroupant un ensemble de tests d’effort, de prise de décision ou d’apprentissage. Nous verrons comment la modélisation computationnelle du comportement dans ces tests permet d’extraire un petit nombre de variables – les K, ou paramètres libres – constituant en quelque sorte un profil motivationnel du sujet, en termes de sensibilité à la récompense, à la punition, à l’effort ou au délai. Nous verrons également comment il est d’ores et déjà possible de relier certains de ces paramètres libres à des mécanismes biologiques précis, que ce soit à l’échelle de la neuromodulation ou de régions cérébrales, et comment certains de ces tests ont pu être utilisés pour caractériser différents troubles neuropsychiatriques. Enfin, nous présenterons les premiers résultats de la validation de cette batterie dans deux maladies psychiatriques, la dépression et la schizophrénie. Nous discuterons comment cette batterie pourrait à plus long terme être utilisée pour :– cartographier, en termes de mécanismes cognitifs et de dysfonctionnement cérébraux, le déficit motivationnel à l’œuvre dans ces pathologies ;– prédire l’évolution des déficits et l’effet des différents traitement possibles ;– personnaliser la prise en charge du patient.
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Breier, Alan, Judith L. Schreiber, Janyce Dyer, and David Pickar. "Course of Illness and Predictors of Outcome in Chronic Schizophrenia: Implications for Pathophysiology." British Journal of Psychiatry 161, S18 (October 1992): 38–43. http://dx.doi.org/10.1192/s0007125000297031.

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Two critically important areas of research are the long-term course of illness and predictors of outcome in chronic schizophrenia. Although these two areas have been actively investigated throughout the 20th century, there is still a lack of agreement about even basic features of the long-term outcome of schizophrenia as well as a lack of validating evidence for putative predictors of outcome. Determining the long-term outcome of schizophrenia has implications for the pathophysiology and public health policy of this illness. For example, a course of illness that is marked by progressive deterioration may suggest a degenerative disease process, whereas a course that remains stable or improves over time may be more consistent with non-degenerative hypotheses such as neurodevelopmental, infectious, or toxic processes. In terms of public health policy, the allocation of resources related to issues such as community-based versus hospital-based care will be heavily influenced by knowledge of the level of chronicity and impairment associated with schizophrenia throughout the lifetime of affected individuals. Validation of predictors of outcome will have immediate clinical relevance, as well as providing support for pathophysiological hypotheses.
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Min, Li, and Xu Huilan. "Comparative analysis of long-term care quality for older adults in China and Western countries." Journal of International Medical Research 48, no. 2 (November 4, 2019): 030006051986563. http://dx.doi.org/10.1177/0300060519865631.

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Objective Based on theoretical and methodological research and the results of a literature review, we evaluated and comparatively analyzed the quality of long-term care for older populations in China and in Western countries. Methods We performed a literature review, using the search terms long-term care and care services for older adults, in the databases ProQuest, CNKI, and Wanfang Data. Results Our comparative analysis demonstrated that the overall quantity of articles related to long-term care for older populations was relatively large. The literature comprises advanced accumulated experiences in terms of theoretical and methodological perspectives in developed countries. The field of long-term care is relatively young in China and we could retrieve only a few related studies. Conclusions The system of long-term care for older populations in China has much room for improvement. In addition, the evaluation criteria for long-term care quality remain controversial. Relevant research focusing on the quality of long-term care services in the country lacks comprehensive, systematic, and scientific validation, comparison, and evaluation. This topic warrants further evidence-based investigation in China.
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Fraga-Lamas, Paula, Mikel Celaya-Echarri, Leyre Azpilicueta, Peio Lopez-Iturri, Francisco Falcone, and Tiago M. Fernández-Caramés. "Design and Empirical Validation of a LoRaWAN IoT Smart Irrigation System." Proceedings 42, no. 1 (April 21, 2020): 62. http://dx.doi.org/10.3390/ecsa-6-06540.

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In some parts of the world, climate change has led to periods of drought that require managing efficiently the scarce water and energy resources. This paper proposes an IoT smart irrigation system specifically designed for urban areas where remote IoT devices have no direct access to the Internet or to the electrical grid, and where wireless communications are difficult due to the existence of long distances and multiple obstacles. To tackle such issues, this paper proposes a LoRaWAN-based architecture that provides long distance and communications with reduced power consumption. Specifically, the proposed system consists of IoT nodes that collect sensor data and send them to local fog computing nodes or to a remote cloud, which determine an irrigation schedule that considers factors such as the weather forecast or the moist detected by nearby nodes. It is essential to deploy the IoT nodes in locations within the provided coverage range and that guarantee good speed rates and reduced energy consumption. Due to this reason, this paper describes the use of an in-house 3D-ray launching radio-planning tool to determine the best locations for IoT nodes on a real medium-scale scenario (a university campus) that was modeled with precision, including obstacles such as buildings, vegetation, or vehicles. The obtained simulation results were compared with empirical measurements to assess the operating conditions and the radio planning tool accuracy. Thus, it is possible to optimize the wireless network topology and the overall performance of the network in terms of coverage, cost, and energy consumption.
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Biffi, E., D. Ghezzi, A. Pedrocchi, and G. Ferrigno. "Development and Validation of a Spike Detection and Classification Algorithm Aimed at Implementation on Hardware Devices." Computational Intelligence and Neuroscience 2010 (2010): 1–15. http://dx.doi.org/10.1155/2010/659050.

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Neurons cultured in vitro on MicroElectrode Array (MEA) devices connect to each other, forming a network. To study electrophysiological activity and long term plasticity effects, long period recording and spike sorter methods are needed. Therefore, on-line and real time analysis, optimization of memory use and data transmission rate improvement become necessary. We developed an algorithm for amplitude-threshold spikes detection, whose performances were verified with (a) statistical analysis on both simulated and real signal and (b) Big O Notation. Moreover, we developed a PCA-hierarchical classifier, evaluated on simulated and real signal. Finally we proposed a spike detection hardware design on FPGA, whose feasibility was verified in terms of CLBs number, memory occupation and temporal requirements; once realized, it will be able to execute on-line detection and real time waveform analysis, reducing data storage problems.
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Luo, Lingyun, Jingtao Feng, Huijun Yu, and Jiaolong Wang. "Automatic Structuring of Ontology Terms Based on Lexical Granularity and Machine Learning: Algorithm Development and Validation." JMIR Medical Informatics 8, no. 11 (November 25, 2020): e22333. http://dx.doi.org/10.2196/22333.

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Background As the manual creation and maintenance of biomedical ontologies are labor-intensive, automatic aids are desirable in the lifecycle of ontology development. Objective Provided with a set of concept names in the Foundational Model of Anatomy (FMA), we propose an innovative method for automatically generating the taxonomy and the partonomy structures among them, respectively. Methods Our approach comprises 2 main tasks: The first task is predicting the direct relation between 2 given concept names by utilizing word embedding methods and training 2 machine learning models, Convolutional Neural Networks (CNN) and Bidirectional Long Short-term Memory Networks (Bi-LSTM). The second task is the introduction of an original granularity-based method to identify the semantic structures among a group of given concept names by leveraging these trained models. Results Results show that both CNN and Bi-LSTM perform well on the first task, with F1 measures above 0.91. For the second task, our approach achieves an average F1 measure of 0.79 on 100 case studies in the FMA using Bi-LSTM, which outperforms the primitive pairwise-based method. Conclusions We have investigated an automatic way of predicting a hierarchical relationship between 2 concept names; based on this, we have further invented a methodology to structure a group of concept names automatically. This study is an initial investigation that will shed light on further work on the automatic creation and enrichment of biomedical ontologies.
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Casas-Bocanegra, Diego, Daniel Gomez-Vargas, Maria J. Pinto-Bernal, Juan Maldonado, Marcela Munera, Adriana Villa-Moreno, Martin F. Stoelen, Tony Belpaeme, and Carlos A. Cifuentes. "An Open-Source Social Robot Based on Compliant Soft Robotics for Therapy with Children with ASD." Actuators 9, no. 3 (September 20, 2020): 91. http://dx.doi.org/10.3390/act9030091.

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Therapy with robotic tools is a promising way to help improve verbal and nonverbal communication in children. The robotic tools are able to increase aspects such as eye contact and the ability to follow instructions and to empathize with others. This work presents the design methodology, development, and experimental validation of a novel social robot based on CompliAnt SofT Robotics called the CASTOR robot, which intends to be used as an open-source platform for the long-term therapy of children with autism spectrum disorder (CwASD). CASTOR integrates the concepts of soft actuators and compliant mechanisms to create a replicable robotic platform aimed at real therapy scenarios involving physical interaction between the children and the robot. The validation shows promising results in terms of robustness and the safety of the user and robot. Likewise, mechanical tests assess the robot’s response to blocking conditions for two critical modules (i.e., neck and arm) in interaction scenarios. Future works should focus on the validation of the robot’s effectiveness in the therapy of CwASD.
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Dissertations / Theses on the topic "Validation à long terme"

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Ben, Mbarka Moez. "Signatures électroniques avancées : modélisation de la validation à long terme et sécurité des autorités de certification." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14247/document.

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Il est nécessaire qu'une signature électronique garde ses propriétés de sécurité durant sa période archivage légale. La première partie de ce mémoire adresse cette problématique en formalisant la validation de signature à long terme. On utilise notre modèle pour définir la sémantique d'une règle de résolution de litige et pour formaliser plusieurs notions tels que la preuve de jugement, son expiration et son renouvellement. La révocation est l'un des principaux aspects formalisés par le modèle. La gestion de la révocation est particulièrement critique pour une Autorité de Certification. Dans un premier temps, on investigue différent niveaux de compromission et de révocations. Ensuite, on adresse la sécurité de l'application de signature de certificats. On propose une solution qui permet au module cryptographique de l'AC de déléguer les vérifications sur les requêtes de signature de certificats, à un environnement moins sécurisé mais avec une puissance de calcul plus importante
Nowadays digital signature schemes and infrastructures have time limitations. This situation is disturbing considering that there are many cases, such as government records, where the signatures are required to be kept valid for a long period of time. In this thesis, we address this issue by modeling signature validation in the scope of a dispute between a verifier and a signer. The model is accompanied with a formal calculus to formalize several important concepts in the scope of long-term validation, such as judgment proof, proof expiration and renewal. Certificate revocation is one of the main issues considered by the model. Revocation is particularly critical for a Certification Authority (CA). We investigate this issue in the scope of the revocation settings allowed in X.509 and we show that some settings permit efficient countermeasures to prevent the revocation of the CA. For the same objective, we investigate approaches allowing to combine hardware protection with fine-tuned control on the usage of the CA's key. We propose a general solution which allows the execution of the of CA's certification policies at a processor which runs in an insecure environment under the control of the CA's secure module
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Ducasse, Thomas. "Apport des verres basaltiques à la validation du modèle GRAAL sur le très long terme." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS040/document.

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Cette thèse adapte le modèle GRAAL, initialement dédié à la prédiction du comportement à long terme des verres nucléaires type R7T7, à l’étude de l’altération des verres basaltiques, matériaux considérés comme des analogues naturels des verres nucléaires. Cette thèse cherche à valider les hypothèses fondatrices du modèle GRAAL et évaluer sa robustesse en l’appliquant aux verres basaltiques. Pour ce faire, deux axes de recherche sont suivis. Le premier consiste à reparamétrer le modèle GRAAL pour le verre basaltique. Le travail de description de la couche amorphe qui se forme durant l’altération du verre, a été entrepris aux moyen d’expériences de lixiviation de verres basaltiques simplifiés à 90°C et différents pH (7 ; 8,5 et 10). Des fortes analogies observées sur le comportement des éléments ont permis de conserver une partie du paramétrage du modèle GRAAL dédié aux verres nucléaires. Des expériences ont également été conduites pour affiner la compréhension des mécanismes d’altération à long terme du verre basaltique. A fort progrès de réaction, l’altération du verre basaltique n’est pas limitée par un mécanisme diffusif, comme c’est le cas pour le verre nucléaire, mais par une très lente hydrolyse du réseau vitreux entretenue par la précipitation de phases secondaires. Ainsi une modification de la loi cinétique de dissolution du verre a été réalisée.Le modèle, reparamétré avec la même méthodologie que celle employée pour le paramétrer pour le modèle de verre nucléaire parvient à rendre compte avec justesse de l’altération du verre basaltique pour les pH faiblement basiques, renforçant ainsi la confiance que l’on peut accorder au modèle sur les prédictions liées au verre nucléaire
This thesis adapts the GRAAL model, initially dedicated to the prediction of the long-term behavior of nuclear glasses, to basaltic glasses.This thesis intends to validate the relevance of the founding hypotheses of the GRAAL model as well as to assess its robustness. To achieve this, two lines of research were carried out simultaneously. The first was to re-parameterize the GRAAL model for basaltic glass compositions. To describe the amorphous layer formed during glass alteration, simple basaltic glasses were leached at 90 ° C and various pH (7, 8.5 and 10). Strong analogies observed on the behavior of the elements allowed to preserve a part of the parameterization of the GRAAL model. Experiments have also been conducted to improve the understanding of the mechanisms of basaltic glasses alteration in silica saturated conditions. It is shown that alteration of the basaltic glass is not limited by a diffusive mechanism like nuclear glass, but by a very slow hydrolysis of the vitreous network sustained by the precipitation of secondary phases. Thus, a modification of the kinetic law of the model controlling the dissolution of the glass was carried out.The model, then, accurately accounts for the alteration of basaltic glass in slightly alkaline conditions, thus reinforcing the confidence that can be given to the model on the predictions related to nuclear glasses
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Verney-Carron, Aurélie Libourel Guy Gin Stéphane. "Étude d'analogues archéologiques pour la validation des modèles de comportement à long terme des verres nucléaires." S. l. : INPL, 2008. http://www.scd.inpl-nancy.fr/theses/2008_VERNEY_CARRON_A.pdf.

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Verney-Carron, Aurélie. "Étude d'analogues archéologiques pour la validation des modèles de comportement à long terme des verres nucléaires." Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL052N/document.

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Des blocs de verre archéologique provenant d’une épave découverte près de l’île des Embiez (Var) en mer Méditerranée ont été étudiés en raison de leur analogie morphologique avec les verres nucléaires et de leur environnement connu et stable. Fracturés à l’issue de leur élaboration (comme les verres nucléaires), ces verres se sont altérés près de 1800 ans en eau de mer. Ce travail a abouti au développement et à la validation d’un modèle géochimique capable de simuler l’altération d’un bloc de verre archéologique fracturé au bout de 1800 ans. Les expériences ont permis de déterminer les constantes cinétiques des mécanismes en jeu (interdiffusion et dissolution du réseau vitreux) et les paramètres thermodynamiques (affinité, phases secondaires) de ce modèle. Celui-ci, implémenté dans HYTEC a permis de simuler l’altération de fissures sur 1800 ans. La cohérence des épaisseurs d’altération simulées et des valeurs mesurées sur les blocs valide la capacité prédictive du modèle. Ce modèle permet alors d’expliquer les résultats issus de la caractérisation du réseau de fissures et de son état d’altération. Les fissures de la zone externe du bloc sont les plus altérées du fait du renouvellement rapide de la solution, alors que les fissures internes ont des épaisseurs très fines à cause du couplage entre l’altération du verre et le transport des éléments en solution (effet de l’ouverture initiale et du colmatage). Les résultats expliquent non seulement les épaisseurs les plus fines, mais aussi leur variabilité. Le comportement analogue des verres archéologiques et nucléaires permet d’envisager une transposition de ce modèle aux verres nucléaires en condition de stockage géologique
Fractured archaeological glass blocks collected from a shipwreck discovered in the Mediterranean Sea near Embiez Island (Var) were investigated because of their morphological analogy with vitrified nuclear waste and of a known and stable environment. These glasses are fractured due to a fast cooling after they were melted (like nuclear glass) and have been altered for 1800 years in seawater. This work results in the development and the validation of a geochemical model able to simulate the alteration of a fractured archaeological glass block over 1800 years. The kinetics associated with the different mechanisms (interdiffusion and dissolution) and the thermodynamic parameters of the model were determined by leaching experiments. The model implemented in HYTEC software was used to simulate crack alteration over 1800 years. The consistency between simulated alteration thicknesses and measured data on glass blocks validate the capacity of the model to predict long-term alteration. This model is able to account for the results from the characterization of crack network and its state of alteration. The cracks in the border zone are the most altered due to a fast renewal of the leaching solution, whereas internal cracks are thin because of complex interactions between glass alteration and transport of elements in solution (influence of initial crack aperture and of the crack sealing). The lowest alteration thicknesses, as well as their variability, can be explained. The analog behavior of archaeological and nuclear glasses from leaching experiments makes possible the transposition of the model to nuclear glass in geological repository
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Techer, Isabelle. "Apports des analogues naturels vitreux à la validation des codes de prédiction du comportement à long terme des verres nucléaires." Montpellier 2, 1999. http://www.theses.fr/1999MON20101.

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Ce travail a pour objectif d'evaluer l'analogie de comportement vis-a-vis de l'alteration dans l'eau et dans un environnement argileux humide, des verres volcaniques aluminosilicates et des verres d'interet nucleaire de type alumino-borosilicates. Le verre basaltique s'altere initialement dans l'eau par des processus d'hydrolyses ayant une energie d'activation de l'ordre de 73 kj/mole. Lorsque le progres de la reaction augmente, la vitesse d'alteration chute de plus de 4 ordres de grandeur par rapport a la vitesse initiale, v 0. La cinetique d'alteration n'est pas gouvernee par la seule chimie de la solution alterante. La pellicule d'alteration du verre semble jouer un role majeur de barriere diffusionnelle limitant le transfert des especes reactantes et produites. Tous ces elements soulignent l'analogie de comportement dans l'eau des verres basaltiques et des verres borosilicates nucleaires. Par opposition, la reaction d'alteration des verres volcaniques de type obsidienne met en jeu d'autres mecanismes d'alteration que ceux impliques lors de la dissolution du verre borosilicate. L'alteration d'un verre basaltique en presence d'un materiau d'environnement argileux est egalement examinee, au travers de l'etude du systeme naturel verre basaltique + pelite argileuse au salagou. Ce travail, couplant des donnees mineralogiques, chimiques et isotopiques permet de discuter des interactions entre un verre basaltique et la pelite argileuse. Les donnees de lixiviation en laboratoire des verres basaltiques ainsi que celles de l'alteration du verre du salagou en milieu naturel, ont ete modelisees a l'aide d'un code couplant dans une loi cinetique, le transfert diffusif de la silice dissoute et une loi d'affinite reactionnelle.
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Pena, Sergio A. "Development, Validation, and Utilization, of a Long-term Nearshore Synthetic Wave Record." UNF Digital Commons, 2019. https://digitalcommons.unf.edu/etd/898.

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The need for a consistent and accurate production of long-term nearshore wave record is discussed. With multiple decades of offshore hindcasts and long, continuous data sets available, it is possible to create a nearshore synthetic wave record. The Brevard County coastline offers an area with a high quality 62-year long offshore hindcast, as well as an 11-year long and nearly continuous high-resolution nearshore wave record to compare with model performance. This thesis presents the steps in the development and performance of the synthetic nearshore wave record produced. A novel approach was used to compare, validate and calibrate this type of data which included using quantile-quantile plots and bin-averaged scatter plots. In a comparison between two reputable deep-water hindcasts (MSC50 and Wavewatch III), it was found that Wavewatch III significantly underpredicts wave heights in the higher range (>8m). At the nearshore STWAVE proves to be a simple, robust and fast way to create a nearshore wave record. Root mean squared error (0.272m-0.317m) and modified index of agreement (0.697-0.646) values for significant wave height show promising results for overall model performance with the currently available hindcast. Possible future improvements could be made by modifying the offshore hindcast to have finer grid resolution and further studying different friction models for the nearshore wave transformation model. Overall, the use of the MSC50 hindcast, to drive STWAVE at the nearshore, exhibits good agreement with ADCP data and analysis for significant wave heights can be used with confidence. Currently, no long-term trends can be resolved with the available record at the location used herein, yet more years of data/hindcasts in the future could provide more evident trends in wave climate change.
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Small, Nicola. "Patient empowerment in long-term conditions : development and validation of a new measure." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/patient-empowerment-in-longterm-conditions-development-and-validation-of-a-new-measure(b85db41b-5898-4c51-a180-78439eb94ea7).html.

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Background: Patient empowerment is viewed as a priority by policy makers, patients and practitioners worldwide. Although there are a number of measures available, none have been developed specifically for patients in the UK with long-term conditions. It is the aim of this study to report the development and preliminary validation of an empowerment instrument for patients with long-term conditions in primary care.Methods: The study involved three methods. Firstly, a systematic review was conducted to identify existing empowerment instruments, and to describe, compare and appraise their content and quality. The results supported the need for a new instrument. Item content of existing instruments helped support development of the new instrument. Secondly, empowerment was explored in patients with long-term conditions and primary care practitioners using qualitative methods, to explore its meaning and the factors that support or hinder empowerment. This led to the development of a conceptual model to support instrument development. Thirdly, a new instrument for measuring empowerment in patients with long-term conditions in primary care was developed. A cross-sectional survey of patients was conducted to collect preliminary data on acceptability, reliability and validity, using pre-specified hypotheses based on existing theoretical and empirical work. Results: Nine instruments meeting review inclusion criteria were identified. Only one instrument was developed to measure empowerment in long-term conditions in the context of primary care, and that was judged to be insufficient in terms of content and purpose. Five dimensions (‘identity’, ‘knowledge and understanding’, ‘personal control’, personal decision-making’, and ‘enabling other patients’) of empowerment were identified through published literature and the qualitative work and incorporated into a preliminary version of the new instrument. A postal survey achieved 197 responses (response rate 33%). Almost half of the sample reported circulatory, diabetic or musculoskeletal conditions. Exploratory factor analysis suggested a three factor solution (‘identity’, ‘knowledge and understanding’ and ‘enabling’). Two dimensions of empowerment (‘identity’ and ‘enabling’) and total empowerment showed acceptable levels of internal consistency. The measure showed relationships with external measures (including quality of chronic illness care, self-efficacy and educational qualifications) that were generally supportive of its construct validity.Conclusion: Initial analyses suggest that the new measure meets basic psychometric criteria and has potential for the measurement of patient empowerment in long-term conditions in primary care. The scale may have a role in research on quality of care for long-term conditions, and could function as a patient-reported outcome measure. However, further validation is required before more extensive use of the measure.
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Schall, Valerie. "Infection prevention and control effectiveness and safety : validation of a survey for long term care facilities." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/944.

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Objectives: To develop and validate a survey that can be used to measure key infection prevention and control (IP&C) structures and processes in LTC facilities. Methods: This study was designed using a three-phase methodology. In Phase I, six structural and process composite indices were developed based on the 2004 PHAC recommendations for IP&C in LTC and other literature. During the second phase of the study, a group of 7 experts in LTC IP&C used the Delphi methodology to validate and further develop the survey based on group consensus. Five Safety Principles published by the Institute of Medicine were also provided to the experts so they could be used to complement and further develop the concepts covered by the survey. The Delphi phase began in April and ended in October 2007; 114 worksheets were sent to experts to support the consensus-reaching process. Once the validity of a survey draft had been established based on expert-group consensus, it was pilot-tested in Phase III using 20 randomly selected LTC facilities in Fraser Health. Findings: The three-phase methodology used in this study was very useful and innovative way to further develop and validate the literature-based survey developed in Phase I for IP&C in long term care. In addition, by merging two bodies of knowledge and thought into the process, concepts and components that are not explicitly described in IP&C literature yet were felt to be key in program success, were incorporated into the measurement tool. Using Delphi, the experts expressed a need for IP&C professionals working in LTC to increase their knowledge, understanding and use of safety theory and strategies. They also felt that interdisciplinary work, the development of a culture of safety, and the development clear and simple IP&C systems are key ways in which infections can be prevented and outbreaks quickly controlled. In Phase III, the pilot-study analysis demonstrated the utility, validity and reliability of the survey. In addition, the analysis showed that there is a tendency for facilities to have lower levels of components within the Leadership Index and the ICP Index.
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Demaré, Dano. "Examining long-term correlates of psychological, physical, and sexual childhood maltreatment, validation of the childhood maltreatment questionnaire." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ53054.pdf.

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Kim, Lois Georgina. "Assessing the long-term cost-effectiveness of screening for abdominal aortic aneurysm : model development, estimation and validation." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613321.

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Books on the topic "Validation à long terme"

1

Farissi, Inass El. Décisions financières de long terme. Paris: Economica, 2011.

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Glachant, Jérôme. Investissements et investisseurs de long terme: Rapport. Paris: Documentation Française, 2010.

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Gestion financière à long terme: Investissements et financement. Québec: Presses de l'Université du Québec, 2007.

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Bootsma, A. Tendances climatiques à long terme pour l'agriculture à Ottawa (Ontario). Ottawa: Centre de recherches sur les terres et les ressources biologiques, 1995.

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Ontario. Horizon 2025: Une évaluation des perspectives à long terme de l'Ontario. Ottawa, Ont: Ministère des finance, 2005.

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santé, Ontario Ministère de la. Les partenariats dans les soins de longue durée: Un nouveau moyen de planifier, d'administrer et d'offrir des services et du soutien communautaire : directives d'établissement des organismes de services polyvalents. Toronto, Ont: Ministère de la santé, 1993.

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Hervo-Akendengue, Corentin. Gabon: Les droits de l'homme : une stratégie à long terme, 1992-2002. [Libreville]: Ministère des affaires étrangères, de la coopération et de la francophonie, 2002.

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Brais, Suzanne. Impacts des opérations forestières sur la productivité à long terme des écosystèmes forestiers. [Québec]: Unité de recherche et de développement forestiers de l'Abitibi-Témiscamingue, Université du Québec en Abitibi-Témiscamingue, 1994.

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Comolet, Arnaud. Prospective à long terme de la déprise agricole et environnement: Document de synthèse. Paris: Institut pour une politique européenne de l'environnement, 1989.

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(Canada), Comité fédéral-provincial-territorial des hauts fonctionnaires (aînés) pour les ministres responsables des aînés. Soins de longue durée à l'intention des aînés: Des modèles innovateurs des meilleures pratiques. Ottawa, Ont: Santé Canada, 1999.

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Book chapters on the topic "Validation à long terme"

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Scheibelhofer, Karl. "Validation of Long-Term Signatures." In Advanced Communications and Multimedia Security, 279–92. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-0-387-35612-9_21.

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Ansper, Arne, Ahto Buldas, Meelis Roos, and Jan Willemson. "Efficient Long-Term Validation of Digital Signatures." In Public Key Cryptography, 402–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44586-2_29.

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Ben MBarka, Moez, Francine Krief, and Olivier Ly. "Modeling Long-Term Signature Validation for Resolution of Dispute." In Theory of Security and Applications, 78–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27375-9_5.

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Kennedy, Philip R., Dinal S. Andreasen, Jess Bartels, Princewill Ehirim, Edward Joe Wright, Steven Seibert, and Andre Joel Cervantes. "Validation of Neurotrophic Electrode Long-Term Recordings in Human Cortex." In Brain–Computer Interfaces Handbook, 279–96. Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781351231954-15.

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Söffker, Dirk, Svenja Kirchenkamp, and Peter C. Müller. "Model-Based Validation within the Rail-Wheel-Subgrade Modeling." In System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade, 211–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-45476-2_13.

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Kumar, Sangeeth, P. Venkat Rangan, and Maneesha Vinodini Ramesh. "Design and Validation of Wireless Communication Architecture for Long Term Monitoring of Landslides." In Advancing Culture of Living with Landslides, 51–60. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53487-9_5.

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Mulder, G., K. Rossem, J. Reempts, M. Borgers, and J. Verlooy. "Validation of a Closed Head Injury Model for use in Long-Term Studies." In Brain Edema XI, 409–13. Vienna: Springer Vienna, 2000. http://dx.doi.org/10.1007/978-3-7091-6346-7_85.

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Mwale, C. D., V. H. Kabambe, W. D. Sakala, K. E. Giller, A. A. Kauwa†, I. Ligowe, and D. Kamalongo. "Model Validation Through Long-Term Promising Sustainable Maize/Pigeon Pea Residue Management in Malawi." In Innovations as Key to the Green Revolution in Africa, 325–33. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-2543-2_32.

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Fonseca, Rigoberto, and Pilar Gómez-Gil. "Temporal Validated Meta-Learning for Long-Term Forecasting of Chaotic Time Series Using Monte Carlo Cross-Validation." In Studies in Computational Intelligence, 353–67. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05170-3_24.

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Hubig, Anja. "Joint modeling of yield curve shape and dynamics: An empirical validation of term structure simulations for long-term government debt management." In Introduction of a New Conceptual Framework for Government Debt Management, 153–93. Wiesbaden: Springer Fachmedien Wiesbaden, 2013. http://dx.doi.org/10.1007/978-3-658-00918-2_6.

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Conference papers on the topic "Validation à long terme"

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Abdel-Jaber, Hiba, and Branko Glisic. "Validation of long-term measurements from FBG sensors." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Tribikram Kundu. SPIE, 2016. http://dx.doi.org/10.1117/12.2219518.

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ABDEL-JABER, HIBA, and BRANKO GLISIC. "Validation of Long-Term Data from FBG Temperature Sensors." In Structural Health Monitoring 2015. Destech Publications, 2015. http://dx.doi.org/10.12783/shm2015/62.

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Karamouz, Mohammad, Shahab Araghinejad, and Amin Haghnegahdar. "Calibration and Validation of Long-Term Streamflow Forecasting Models." In World Water and Environmental Resources Congress 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40737(2004)229.

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Stout, Andrew, and Lee Spector. "Validation of evolutionary activity metrics for long-term evolutionary dynamics." In the 2005 conference. New York, New York, USA: ACM Press, 2005. http://dx.doi.org/10.1145/1068009.1068028.

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Purao, Sandeep, Monica Garfield, Xin Gu, and Prakash Bhetwal. "Predicting the Slide to Long-Term Homelessness: Model and Validation." In 2019 IEEE 21st Conference on Business Informatics (CBI). IEEE, 2019. http://dx.doi.org/10.1109/cbi.2019.00011.

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Abdel-Jaber, Hiba, and Branko Glisic. "Method for Validation of long-term Temperature Measurements from Sensors." In IABSE Symposium, Vancouver 2017: Engineering the Future. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2017. http://dx.doi.org/10.2749/vancouver.2017.1499.

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Chowdhary, Girish, and Eric Johnson. "Theory and Flight Test Validation of Long Term Learning Adaptive Flight Controller." In AIAA Guidance, Navigation and Control Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-6781.

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Albiol, L. "Validation of a new satellite communication protocol for long-term ATM needs." In 2015 IEEE/AIAA 34th Digital Avionics Systems Conference (DASC). IEEE, 2015. http://dx.doi.org/10.1109/dasc.2015.7311534.

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Albiol, L., J. Batlle, JM Cebrian, G. Gutierrez, F. Pita, I. Vega, G. Acar, S. Cioni, and J. Diaz del Rio. "Validation of a new satellite communications protocol for long-term ATM needs." In 2015 IEEE/AIAA 34th Digital Avionics Systems Conference (DASC). IEEE, 2015. http://dx.doi.org/10.1109/dasc.2015.7311365.

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Fukui, Yasuhiro, Hidekatsu Ito, Wataru Minoshima, and Suguru N. Kudoh. "Validation of long-term changes of evoked response with self-orgnization map." In 2014 Joint 7th International Conference on Soft Computing and Intelligent Systems (SCIS) and 15th International Symposium on Advanced Intelligent Systems (ISIS). IEEE, 2014. http://dx.doi.org/10.1109/scis-isis.2014.7044829.

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Reports on the topic "Validation à long terme"

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Major, William, and Mark Kram. Demonstration/Validation of Long-Term Monitoring Using Wells Installed by Direct Push Technologies. Fort Belvoir, VA: Defense Technical Information Center, March 2008. http://dx.doi.org/10.21236/ada607303.

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Wallace, C. Using the Server-Based Certificate Validation Protocol (SCVP) to Convey Long-Term Evidence Records. RFC Editor, August 2008. http://dx.doi.org/10.17487/rfc5276.

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Pitts, Stephanie A. Modeling and Validation of Irradiation Damage in Ni-based Alloys for Long-Term LWR Applications. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1473592.

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Hunter, Philip, Kirk Cameron, and Robert B. Stewart. Demonstration and Validation of GTS Long-Term Monitoring Optimization Software at Military and Government Sites. Fort Belvoir, VA: Defense Technical Information Center, February 2011. http://dx.doi.org/10.21236/ada544873.

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Tucker, Julie, Emmanuelle Marquis, Benjamin Spencer, and Grace Burke. Modeling and Validation of Irradiation Damage in Ni-based Alloys for Long-Term LWR Applications (Final Report). Office of Scientific and Technical Information (OSTI), March 2019. http://dx.doi.org/10.2172/1511579.

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J. Patrick Megonigal and Bert G. Drake. Final Report on "Rising CO2 and Long-term Carbon Storage in Terrestrial Ecosystems: An Empirical Carbon Budget Validation". Office of Scientific and Technical Information (OSTI), August 2010. http://dx.doi.org/10.2172/986309.

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Johansson, Åsa, Yvan Guillemette, Fabrice Murtin, David Turner, Giuseppe Nicoletti, Christine de la Maisonneuve, Guillaume Bousquet, and Francesca Spinelli. Horizon 2060 : Perspectives de croissance économique globale à long terme. Organisation for Economic Co-Operation and Development (OECD), November 2012. http://dx.doi.org/10.1787/5k8zngscq3kf-fr.

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Kerfoot, H. Une perspective à long terme et un plan de développement pour un service canadien de données toponymiques numériques. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/298397.

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Dellink, Rob, Christine Arriola, Ruben Bibas, Elisa Lanzi, and Frank van Tongeren. Effets à long terme de la pandémie de COVID-19 et des mesures de relance sur les pressions environnementales. Organisation for Economic Co-Operation and Development (OECD), June 2021. http://dx.doi.org/10.1787/28ebe842-fr.

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Nguyen, Ba Nghiep, Xiaoshi Jin, Jin Wang, Vlastimil Kunc, and Charles L. Tucker III. Validation of New Process Models for Large Injection-Molded Long-Fiber Thermoplastic Composite Structures. Office of Scientific and Technical Information (OSTI), February 2012. http://dx.doi.org/10.2172/1035733.

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