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Добірка наукової літератури з теми "DIVERSIFICATION APPLICATIONS"

Автор: Grafiati

Опубліковано: 11 вересня 2023

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Статті в журналах з теми "DIVERSIFICATION APPLICATIONS"

1

Massar, Betsy. "Practical Applications of Diversification Across Time." Practical Applications 1, no. 4 (April 30, 2014): 1.3–4. http://dx.doi.org/10.3905/pa.2014.1.4.035.

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2

Wrighton, Joanna. "Practical Applications of The Diversification Delta:A Higher-Moment Measure for Portfolio Diversification." Practical Applications 1, no. 2 (October 31, 2013): 1.8–3. http://dx.doi.org/10.3905/pa.2013.1.2.008.

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3

Allier, Simon, Olivier Barais, Benoit Baudry, Johann Bourcier, Erwan Daubert, Franck Fleurey, Martin Monperrus, Hui Song, and Maxime Tricoire. "Multitier Diversification in Web-Based Software Applications." IEEE Software 32, no. 1 (January 2015): 83–90. http://dx.doi.org/10.1109/ms.2014.150.

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4

Maheut, M., and T. Veleine. "IRM : différenciation des gammes, diversification des applications !" Journal de Radiologie 87, no. 7-8 (July 2006): 910–18. http://dx.doi.org/10.1016/s0221-0363(06)74107-5.

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5

Goyal, Gauri. "Practical Applications of The Limitations of Diversification Return." Practical Applications 2, no. 2 (October 31, 2014): 1.11–5. http://dx.doi.org/10.3905/pa.2014.2.2.076.

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6

Pittman, Sam, Amneet Singh, and Sangeetha Srinivasan. "Practical Applications of Diversification Benefits, Where Art Thou?" Practical Applications 8, no. 2 (June 19, 2020): 1.3–7. http://dx.doi.org/10.3905/pa.8.2.388.

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7

LIU, Wen-Ming, Li LI, Li REN, Jian-Chun WANG, Qin TU, Xue-Qin WANG, and Jin-Yi WANG. "Diversification of Microfluidic Applications in Cell-based Bioanalysis." CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION) 40, no. 1 (2012): 24. http://dx.doi.org/10.3724/sp.j.1096.2012.10298.

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8

LI, Bing, Xue-Fei LÜ, Hong QING, and Yu-Lin DENG. "Diversification of Microfluidic Applications in Cell-based Bioanalysis." CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION) 40, no. 1 (2012): 24. http://dx.doi.org/10.3724/sp.j.1096.2012.11126.

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9

Hazer, Derya Burcu, Ebru Kılıçay, and Baki Hazer. "Poly(3-hydroxyalkanoate)s: Diversification and biomedical applications." Materials Science and Engineering: C 32, no. 4 (May 2012): 637–47. http://dx.doi.org/10.1016/j.msec.2012.01.021.

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10

Sun, Yi, Tian Huang, Lennart Hammarström, and Yaofeng Zhao. "The Immunoglobulins: New Insights, Implications, and Applications." Annual Review of Animal Biosciences 8, no. 1 (February 15, 2020): 145–69. http://dx.doi.org/10.1146/annurev-animal-021419-083720.

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Анотація:

Immunoglobulins (Igs), as one of the hallmarks of adaptive immunity, first arose approximately 500 million years ago with the emergence of jawed vertebrates. Two events stand out in the evolutionary history of Igs from cartilaginous fish to mammals: ( a) the diversification of Ig heavy chain (IgH) genes, resulting in Ig isotypes or subclasses associated with novel functions, and ( b) the diversification of genetic and structural strategies, leading to the creation of the antibody repertoire we know today. This review first gives an overview of the IgH isotypes identified in jawed vertebrates to date and then highlights the implications or applications of five new recent discoveries arising from comparative studies of Igs derived from different vertebrate species.

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Більше джерел

Дисертації з теми "DIVERSIFICATION APPLICATIONS"

1

Shi, Bibo. "Diversification and Generalization for Metric Learning with Applications in Neuroimaging." Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1448980736.

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2

Shi, Xiang. "Advanced Applications of Generalized Hyperbolic Distributions in Portfolio Allocation and Measuring Diversification." Thesis, State University of New York at Stony Brook, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10165670.

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This thesis consists of two parts. The first part addresses the parameter estimation and calibration of the Generalized Hyperbolic (GH) distributions. In this part we review the classical expectation maximization (EM) algorithm and factor analysis for the GH distribution. We also propose a simple shrinkage estimator driven from the penalized maximum likelihood. In addition an on-line EM algorithm is implemented to the GH distribution; and its regret for general exponential family can be represented as a mixture of Kullback-Leibler divergence. We compute the Hellinger distance of the joint GH distribution to measure the performances of all the estimators numerically. Empirical studies for long-term and short-term predictions are also performed to evaluate the algorithms.

In the second part we applied the GH distribution to portfolio optimization and risk allocation. We show that the mean-risk portfolio optimization problem of a certain type of normal mixture distributions including the GH distribution can be reduced to a two dimensional problem by fixing the location parameter and the skewness parameter. In addition, we show that the efficient frontier of the mean-risk optimization problem can be extended to the three dimensional space. We also proposed a simple algorithm to deal with the transaction costs. The first and second derivatives of the CVaR are computed analytically when the underlying distribution is GH. With these results we are able to extend the effective number of bets (ENB) to general risk measures with the GH distribution. By diagonalizing the Hessian matrix of a risk measure we are able to extract locally independent marginal contributions to the risk. The minimal torsion approach can still be applied to get the local coordinators of the marginal contributions.

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3

Mozzachiodi, Simone. "Diversification génétique et phénotypique de la levure par réversion de la méiose : ubiquité, mécanisme et applications." Electronic Thesis or Diss., Université Côte d'Azur, 2021. http://theses.univ-cotedazur.fr/2021COAZ6000.

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Анотація:

Les hybrides constituent une source de variabilité génétique et phénotypique importante qui résulte de combinaisons alléliques uniques issues du mélange de génomes distincts. L'humanité a exploité pendant des milliers d'années l’hybridation des plantes, des animaux et des microbes pour leurs performances améliorées par rapport à celles des espèces endogènes. Cependant, les hybrides sont dans la plupart des cas des « impasses » évolutives en raison de la très faible viabilité de leur progéniture, empêchant de ce fait l'amélioration des caractéristiques d’intérêt industriel par croisements. Dans cette thèse, j'ai profité de la capacité de la levure bourgeonnante Saccharomyces cerevisiae à interrompre la méiose et à restaurer la croissance mitotique - par l’ajout soudain de nourriture abondante - pour palier à la stérilité des hybrides. Ce processus, dénommé « Return to Growth » (RTG), induit des cassures double-brin d’ADN générant des régions de perte d'hétérozygotie (LOH), et mène à la recombinaison du génome et à la création de variabilité phénotypique sans avoir recours à la reproduction sexuée. Bien qu'il ait déjà été démontré que des hybrides fertiles dérivés de souches de laboratoire peuvent effectuer le RTG, on ne connaît pas le degré d’application de celui-ci chez des souches d’origines diverses présentant des structures génomiques et un niveau de stérilité différents. Pour aborder ce problème, j'ai soumis plusieurs hybrides artificiels et industriels au RTG et j'ai caractérisé son impact au niveau génomique et phénotypique.Dans la première partie de ma thèse, j'ai déterminé dans quelle mesure le RTG peut aider à surmonter les barrières de stérilité post-zygotiques décrites dans les espèces de Saccharomyces. Tout d'abord, j'ai analysé des données de séquençage d'échantillons issus d’une souche hybride stérile soumise au RTG, et j'ai confirmé que le génome était recombiné, bien que la machinerie méiotique soit défectueuse. Ensuite, j’ai mis au point un système génétique permettant de mesurer le taux de recombinaison du génome à un locus donné et j’ai séquencé plusieurs individus afin de démontrer l’efficacité du RTG chez plusieurs hybrides présentant une stérilité aiguë. De plus, j'ai caractérisé l’impact de fortes divergences génomique sur le RTG en étudiant des hybrides entre S. cerevisiae et S. paradoxus, et j'ai observé que le système de réparation des mésappariements de l’ADN inhibait la recombinaison génétique induite par le RTG. Enfin, j'ai mis en évidence la capacité du RTG à générer de la diversité phénotypique que j’ai utilisée pour décortiquer l’architecture génétique des caractères complexes de lignées isolées sur le plan reproductif. Dans la deuxième partie de ma thèse, j'ai testé l’efficacité du RTG sur deux souches hybrides polyploïdes stériles de S. cerevisiae utilisées dans le domaine industriel. En utilisant le système génétique mis au point dans la première partie, j’ai pu démontrer que ces souches étaient compétentes au RTG et j’ai mis en évidence la présence de nombreux événements de recombinaison génétique après séquençage du génome. Ensuite, j'ai développé une méthode n’impliquant pas de modifications génétiques pour sélectionner les cellules soumises au RTG et j’ai généré deux bibliothèques d'échantillons recombinants. L'analyse de leurs génomes a révélé une grande variabilité, comprenant de vastes régions de LOH. Finalement, j'ai mesuré la variabilité phénotypique existante au sein de ces bibliothèques et j'ai trouvé que certaines souches recombinantes étaient plus performantes que les souches industrielles originales dans des environnements spécifiques. Dans l'ensemble, mes travaux présentent le RTG comme une nouvelle stratégie permettant de surmonter la stérilité post-zygotique et offrant la possibilité de développer des souches hybrides de Saccharomyces d’intérêt industriel sans avoir recours à des modifications génétiques
Hybrids are a source of genetic and phenotypic variability as they derive from the merging of two different genomes producing new allelic combinations. Humankind exploited for thousands of years hybrid plants, animals and microbes for their improved performances compared to those of the respective parental species. However, often hybrids represent evolutionary dead ends because of the extremely low viability of their offspring. Thus, hybrid sterility is a significant issue because it limits the improvement of relevant hybrids through classical breeding approaches and more broadly, it hampers hybrid evolution. In this thesis, I took advantage of the remarkable property of the budding yeast Saccharomyces cerevisiae to abort meiosis and Return-To-Growth (RTG) when starved cells in the early meiotic phase encounter a rich nutrient environment. This process induces a reshuffle of the genome generating genome-wide regions of loss-of-heterozygosity (LOH). LOH regions can have a substantial impact on hybrid fitness and can also drive adaptation to stressful conditions. While it was already shown that fertile hybrids derived from the mating of lab strains could perform RTG, we do not know whether strains with different ecological origins, genome structures and level of sterility can evolve through RTG, and if so, to what extent. To answer these questions, I applied the RTG paradigm to several artificial and industrial hybrids and characterized its impact at the genomic and phenotypic level.In the first part of my thesis, I determined to what extent RTG can overcome common post-zygotic sterility barriers described in Saccharomyces. First, I re-analyzed sequencing data of RTG samples derived from a sterile hybrid with defective meiotic machinery and confirmed that the hybrid recombined its genome through RTG despite being incapable of completing meiosis. Following, to explore RTG recombination in different hybrids, I took advantage of a genetic system to measure recombination rates at a single locus during RTG and to isolate samples for whole-genome-sequencing. By using this approach, I showed that intraspecific hybrids with different ecological origins and extreme sterility due to genome structure variation could evolve through RTG. Then, I explored how extreme sequence divergence between S. cerevisiae/S. paradoxus hybrids affects RTG recombination, and I found that recombination is mostly reduced by the mismatch repair system, whose inactivation partially increased the recombination efficiency. Finally, I showed that RTG induced phenotypic diversity in the evolved samples, and I used the phenotypic variability generated for dissecting complex traits between reproductively isolated lineages.In the second part of my thesis, I worked with two industrial polyploid S. cerevisiae intraspecific hybrids and explored RTG in an industrial setting. To demonstrate that these strains were RTG competent, I engineered their genome with the genetic system developed in the first project using CRISPR-Cas9 technology. By analyzing whole-genome-sequencing of the evolved genomes, I found that also industrial polyploid genomes recombine through RTG. Then, I developed a GMO-free method for selecting RTG strains and generated two RTG libraries of recombinant samples. Analysis of their genomes revealed high variability between samples with some having vast regions of LOH. Last, I measured phenotypic variability in the RTG libraries and found that some RTG recombinants were fitter than the original industrial strains in specific environments. This proof of concept showed that RTG represents a new avenue for inducing genetic and phenotypic novelty in sterile industrial hybrids.Overall, my work proved that RTG represents a novel path through which Saccharomyces hybrids can evolve and overcome common post-zygotic sterility barriers and that RTG constitutes a novel GMO-free strategy to generate improved industrial hybrid strains

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4

Jaffredo, Thierry. "Applications de sondes moleculaires a l'etude de la migration et de la diversification cellulaires chez l'embryon d'oiseau in ovo." Paris 6, 1989. http://www.theses.fr/1989PA066252.

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Анотація:

1. Blocage in vivo de la migration des myoblastes par des cellules d'hybridome anti-integrine. La greffe des cellules d'hybridome csat a l'embryon de poulet de 2 ou 3 jours provoque des agenesies musculaires demontrant que ce recepteur de molecules de la matrice extracellulaire, est egalement indispensable a la migration des precurseurs musculaires. 2. Oncogenes et developpement chez l'embryon d'oiseau. La proteine myc, ubiquitaire de e1 a e4 est ensuite presente dans certaines cellules derivees du mesenchyme a une etape qui semble preceder les processus d'induction. Elle n'est pas detectee dans la lignee endodermique bien que de nombreuses copies d'arnm soient presentes. Elle persiste dans les neurones post-mitotiques. L'arnm c-ets-1 est exprime specifiquement dans les cellules d'origine mesodermique ou mesectodermique en particulier dans les cellules endotheliales. L'arnm c-myb est restreint aux foyers hematopoietiques intra-embryonnaires a e3 et e6

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5

Kerdpholngarm, Chayanin. "Analysis of Pricing and Reserving Risks with Applications in Risk-Based Capital Regulation for Property/Casualty Insurance Companies." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/rmi_diss/20.

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Анотація:

The subject of the study for this dissertation is the relationship between pricing and reserving risks for property-casualty insurance companies. Since the risk characteristics of insurers differ based on their structure, objectives and incentives, segmenting the insurers into subgroups would allow for a better understanding of group-specific risks. Based on this approach to analyzing insurer financial risks, we find that, in a given accident year, the pricing and reserving errors are positively correlated, especially in long-tailed lines of business. Large insurers, stock insurers, and multi-state insurers, in general, exhibit a strong correlation between accident-year price and reserve errors. However, only size of insurers appears to be a factor that influences the interaction between price changes and the calendar year loss reserve adjustments. Furthermore, we find that the pricing risk and reserving risk are marginally more homogenous within a market segment when size, type and number of states are employed as criteria for market segmentation, hence insurance regulators should consider the refined market segments for the RBC formula. The empirical results also indicate that, in general, Chain-Ladder reserving method likely contributes to loss reserve errors when there is a change in the loss development pattern and the magnitude of the errors is worse for large insurers. Finally, we find that our proposed measurement method for the product diversification benefit provides support for the notion that the diversification benefit on the incurred losses increases with the number of lines in the portfolio. Yet, the diminishing returns tend to decrease the diversification benefit on the incurred losses for insurers that write the business in more than six of the selected lines. To the contrary, our proposed measure does not provide clear evidence that writing business in many product lines increases the product diversification benefit with respect to adverse loss development. We do find that the diversification benefit for both incurred losses and loss development is higher for larger insurers. Hence, for risk management and regulatory purposes, a stronger case can be made for considering firm size than product diversification.

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6

Wei, Xiaoli. "Control of McKean-Vlasov systems and applications." Thesis, Sorbonne Paris Cité, 2018. https://theses.md.univ-paris-diderot.fr/WEI_Xiaoli_2_complete_20181127.pdf.

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Анотація:

Cette thèse étudie le contrôle optimal de la dynamique de type McKean-Vlasov et ses applications en mathématiques financières. La thèse contient deux parties. Dans la première partie, nous développons la méthode de la programmation dynamique pour résoudre les problèmes de contrôle stochastique de type McKean-Vlasov. En utilisant les contrôles admissibles appropriés, nous pouvons reformuler la fonction valeur en fonction de la loi (resp. la loi conditionnelle) du processus comme seule variable d’état et obtenir la propriété du flot de la loi (resp. la loi conditionnelle) du processus, qui permettent d’obtenir en toute généralité le principe de la programmation dynamique. Ensuite nous obtenons l’équation de Bellman correspondante, en s’appuyant sur la notion de différentiabilité par rapport aux mesures de probabilité introduite par P.L. Lions [Lio12] et la formule d’Itô pour le flot de probabilité. Enfin nous montrons la propriété de viscosité et l’unicité de la fonction valeur de l’équation de Bellman. Dans le premier chapitre, nous résumons quelques résultats utiles du calcul différentiel et de l’analyse stochastique sur l’espace de Wasserstein. Dans le deuxième chapitre, nous considérons le contrôle optimal stochastique de système à champ moyen non linéaire en temps discret. Le troisième chapitre étudie le problème de contrôle optimal stochastique d’EDS de type McKean-Vlasov sans bruit commun en temps continu où les coefficients peuvent dépendre de la loi joint de l’état et du contrôle, et enfin dans le dernier chapitre de cette partie nous nous intéressons au contrôle optimal de la dynamique stochastique de type McKean-Vlasov en présence de bruit commun en temps continu. Dans la deuxième partie, nous proposons un modèle d’allocation de portefeuille robuste permettant l’incertitude sur la rentabilité espérée et la matrice de corrélation des actifs multiples, dans un cadre de moyenne-variance en temps continu. Ce problème est formulé comme un jeu différentiel à champ moyen. Nous montrons ensuite un principe de séparation pour le problème associé. Nos résultats explicites permettent de justifier quantitativement la sous-diversification, comme le montrent les études empiriques
This thesis deals with the study of optimal control of McKean-Vlasov dynamics and its applications in mathematical finance. This thesis contains two parts. In the first part, we develop the dynamic programming (DP) method for solving McKean-Vlasov control problem. Using suitable admissible controls, we propose to reformulate the value function of the problem with the law (resp. conditional law) of the controlled state process as sole state variable and get the flow property of the law (resp. conditional law) of the process, which allow us to derive in its general form the Bellman programming principle. Then by relying on the notion of differentiability with respect to probability measures introduced by P.L. Lions [Lio12], and Itô’s formula along measure-valued processes, we obtain the corresponding Bellman equation. At last we show the viscosity property and uniqueness of the value function to the Bellman equation. In the first chapter, we summarize some useful results of differential calculus and stochastic analysis on the Wasserstein space. In the second chapter, we consider the optimal control of nonlinear stochastic dynamical systems in discrete time of McKean-Vlasov type. The third chapter focuses on the stochastic optimal control problem of McKean-Vlasov SDEs without common noise in continuous time where the coefficients may depend upon the joint law of the state and control. In the last chapter, we are interested in the optimal control of stochastic McKean-Vlasov dynamics in the presence of common noise in continuous time.In the second part, we propose a robust portfolio selection model, which takes into account ambiguity about both expected rate of return and correlation matrix of multiply assets, in a continuous-time mean-variance setting. This problem is formulated as a mean-field type differential game. Then we derive a separation principle for the associated problem. Our explicit results provide an explanation to under-diversification, as documented in empirical studies

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7

Oztek, Mehmet Fatih. "Modeling Co-movements Among Financial Markets: Applications Of Multivariate Autoregressive Conditional Heteroscedasticity With Smooth Transitions In Conditional Correlations." Phd thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615713/index.pdf.

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Анотація:

The main purpose of this thesis is to assess the potential of emerging stock markets and commodity markets in attracting the attention of international investors who utilize various portfolio diversification strategies to reduce the cumulative risk of their portfolio. A successful portfolio diversification strategy requires low correlation among financial markets. However, it is now well documented that the correlations among financial markets in developed countries are very high and hence the benefits of international portfolio diversification among these markets have been very limited. This fact suggests that investors should look for alternative markets whose correlations with developed markets are low (or even negative if possible) and which have high growth potentials. In this thesis, two emerging countries'
stock markets and two commodity markets are considered as alternative markets. Among emerging countries, Turkey and China are chosen due to their promising growth performance since the mid-2000s. As commodity markets, agricultural commodity and precious metal markets are selected because of the outstanding performance of the former and the "
safe harbor"
property of the latter. The structures and properties of dependence between these markets and stock markets in developed countries are examined by modeling the conditional correlation in the dynamic conditional correlation framework. The results reveal that upward trend hypothesis is valid for almost all correlations among market pairs and market volatility plays significant role in time varying structures of correlations.

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8

Leclere, Margot. "Introduire une espèce de diversification dans les systèmes de culture d’un territoire : articuler production de connaissances et conception dans des dispositifs multi-acteurs. Cas de la cameline dans l’Oise." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLA028.

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Анотація:

L’introduction d’espèces de diversification, voie incontournable pour assurer la transition agroécologique pose aujourd’hui une question majeure : comment produire de manière économe les connaissances nécessaires sur ces espèces, orphelines de recherche ?Nous avons proposé et mis en œuvre une démarche articulant conception et production de connaissances, et combinant différents dispositifs multi-acteurs pour accompagner l’introduction d’une nouvelle espèce dans les systèmes de culture. Ce travail s’appuie sur le cas de la cameline, introduite soit en culture principale soit en double culture dans les systèmes de culture de l’Oise, en vue du développement d’une bioraffinerie oléagineuse.Nous avons combiné un atelier multi-acteurs -regroupant agriculteurs, conseillers, chercheurs, ingénieurs en R&D agricole et industriels- et des essais de modalités de conduite de la cameline en double culture, conçus, gérés et évalués par des agriculteurs dans leur ferme. Cette approche a permis d’identifier des trous de connaissances (ex : l’effet précédent de la cameline sur la betterave) et de produire des connaissances utiles pour la conception (ex : des règles de décision pour la conduite).En parallèle, nous (chercheurs) avons conçu et évalué, au sein d’un réseau multi-local et pluriannuel de parcelles agricoles, trois itinéraires techniques de la cameline de printemps sans herbicide. Nos résultats montrent que l’augmentation de la densité de semis de cameline ou l’association de la cameline avec une autre espèce (orge ou pois) sont des leviers agroécologiques efficaces pour maîtriser les adventices dans la culture de cameline. De plus, le diagnostic de la variabilité du rendement, de la teneur en huile des graines, et de leur composition en acides gras, réalisé au sein de ce même réseau d’essais, a permis d’identifier (i) les principaux facteurs responsables (ex : le statut azoté de la culture pour le rendement), et (ii) les conditions environnementales (ex : fourniture d’azote minéral par le sol) et les pratiques (ex : association d’espèces) déterminant ces facteurs.Ces connaissances produites ont conduit lors d’un atelier de conception à élargir la gamme des modalités d’insertion et de conduite de la cameline, conçues par les agriculteurs.Enfin, nous discutons en quoi cette combinaison originale de dispositif multi-acteurs, permet (i) de produire à moindre coût des connaissances situées et génériques, utiles pour la conception, et (ii) d’outiller à la fois l’agriculteur-concepteur, le conseiller agricole et le chercheur, pour accompagner la diversification des systèmes de culture d’une région
Crop diversification, which is a way to ensure agroecological transition, raises a major question: how to produce, at low cost, knowledge on these minor species, often poorly studied by agronomic research?Here, we proposed and implemented an approach combining design and knowledge production, within different multi-stakeholders platforms, to support the introduction of new species into cropping systems. The case study of camelina, introduced either as a main crop or as a second crop in the cropping systems of the Oise department, in the context of the development of a local oilseed biorefinery, was used.First, we combined a multi-stakeholders workshop - bringing together farmers, advisors, researchers, agronomist from agricultural R&D and industrials - with on-farm trials on camelina crop management routes as second crop, designed, managed and appraised by farmers themselves. This approach made it possible to identify knowledge gaps (e.g. the previous effect of the camelina on sugar beet), but also to produce knowledge useful for design (e.g. decision-making rules).In parallel, we (researchers) designed and evaluated, within a multi-environments on-farm trials network, three herbicide-free crop management routes for spring camelina. Our results show that increasing camelina sowing rates or intercropping camelina with another species (barley or peas) are effective agroecological ways to control weeds in camelina crop. In addition, the diagnosis of the variability of the yield, the oil seed content, and the fatty acid composition, carried out within the same experimental network, made it possible to identify (i) the main explaining factors (e.g. nitrogen status of the crop for yield), and (ii) environmental conditions (e.g. supply of mineral nitrogen from the soil) and practices (e.g. species intercropping) determining these factors.This knowledge production led, during a design workshop, to broaden the range of modalities of introduction and management of camelina designed by farmers.Finally, we discuss how this original combination of multi-stakeholder platforms makes it possible (i) to produce at a lower cost located and generic knowledge, useful for design, and (ii) to equip both the farmer-designer, the agricultural advisor and the researcher, to support crop diversification within a territory

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9

Majorczyk, Frédéric. "Détection d'intrusions comportementale par diversification de COTS : application au cas des serveurs web." Phd thesis, Université Rennes 1, 2008. http://tel.archives-ouvertes.fr/tel-00355366.

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Анотація:

L'informatique et en particulier l'Internet jouent un rôle grandissant dans notre société. Un grand nombre d'applications critiques d'un point de vue de leur sécurité sont déployées dans divers domaines comme le domaine militaire, la santé, le commerce électronique, etc. La sécurité des systèmes informatiques devient alors une problématique essentielle tant pour les individus que pour les entreprises ou les états. Il est donc important de définir une politique de sécurité pour ces systèmes et de veiller à son respect. Néanmoins les mécanismes de sécurité préventifs mis en place ne sont pas incontournables. Il est nécessaire de mettre en œuvre des outils permettant de détecter toute violation de la politique de sécurité, c'est-à-dire toute intrusion. Ces outils sont appelés des systèmes de détection d'intrusions ou IDS. Souvent en collaboration avec les IDS, il est possible de mettre en place des outils et techniques de tolérance aux intrusions. Ces outils et techniques ont pour objectif que les intrusions affectant un composant du système n'entrainent pas de violations de la politique de sécurité du système global.
Notre travail s'inscrit dans le domaine de la détection d'intrusions, de manière essentielle, et permet une certaine tolérance aux intrusions. Contrairement aux méthodes de détection classiques en détection comportementale pour lesquelles il est nécessaire de définir et construire un modèle de référence du comportement de l'entité surveillée, nous avons suivi une méthode issue de la sureté de fonctionnement fondée sur la programmation N-versions pour laquelle le modèle de référence est implicite et est constitué par les autres logiciels constituant l'architecture. Nous proposons l'utilisation de COTS en remplacement des versions spécifiquement développées car développer N-versions est couteux et est réservé à des systèmes critiques du point de vue de la sécurité-innocuité. D'autres travaux et projets ont proposé des architectures fondées sur ces idées. Nos contributions se situent à différents niveaux. Nous avons pris en compte dans notre modèle général de détection d'intrusions les spécificités liées à l'utilisation de COTS en lieu et place de versions spécifiquement développées et proposé deux solutions pour parer aux problèmes induits par ces spécificités. Nous avons proposé deux approches de détection d'intrusions fondées sur cette architecture : l'une suivant une approche de type boite noire et l'autre suivant une approche de type boite grise. Notre méthode de type boite grise peut, en outre, aider l'administrateur de sécurité à effectuer un premier diagnostic des alertes. Nous avons réalisé une implémentation de ces deux approches dans le cadre des serveurs web et avons évalué pratiquement la pertinence et de la fiabilité de ces deux IDS.

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10

Majorczyk, Frédéric. "Détection d’intrusions comportementale par diversification de COTS : application au cas des serveurs web." Rennes 1, 2008. https://tel.archives-ouvertes.fr/tel-00355366.

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Анотація:

La sécurité des systèmes informatiques est devenue une problématique essentielle. Il est important de définir une politique de sécurité pour ces systèmes et de veiller à son respect. Néanmoins les mécanismes de sécurité préventifs mis en place ne sont pas incontournables. Il est nécessaire de mettre en oeuvre des outils, appelés systèmes de détection d’intrusions ou IDS, permettant de détecter toute violation de la politique de sécurité, c’est-à-dire toute intrusion. Il est également possible de mettre en place des outils et techniques de tolérance aux intrusions. Notre travail s’inscrit dans le domaine de la détection d’intrusions et permet une certaine tolérance aux intrusions. Contrairement aux IDS comportementaux classiques pour lesquels il est nécessaire de construire un modèle de référence du comportement de l’entité surveillée, nous avons suivi une méthode issue de la sûreté de fonctionnement fondée sur la programmation N-versions pour laquelle le modèle de référence est implicite et est constitué par les autres logiciels constituant l’architecture. Nous proposons l’utilisation de COTS en remplacement des versions spécifiquement développées. Nos contributions se situent à différents niveaux. Nous avons pris en compte dans notre modèle général de détection les spécificités liées à l’utilisation de COTS et proposé des solutions pour parer aux problèmes induits par celles-ci. Nous avons proposé deux approches de détection fondées sur cette architecture : une approche de type boîte noire et une de type boîte grise. Nous avons implémenté ces deux approches dans le cadre des serveurs web et avons évalué pratiquement la pertinence et la fiabilité de ces deux IDS
Information systems’ security is a fundamental issue. It is necessary to define a security policy for these systems and check that it is not violated. Preventive security mechanisms are generally insufficient. Intrusion detection systems (IDSes) can be used to detect violations of the security policy, that is intrusions. Intrusion tolerance tools and techniques can also be used. Our work is in the intrusion detection field and allows some intrusion tolerance. In classical anomaly-based approaches, it is necessary to build a behavioral model of the observed entity. To the contrary, in our approach, the behavioral model is implicit and is composed by the other software components in the architecture. This approach comes from the dependability field and is based on N-versions programming. We propose using COTS instead of specifically developped versions. Using COTS introduces some issues that we have taken into account in our general intrusion detection model. We have proposed solutions to bypass these issues. We have proposed two intrusion detection approaches based on this architecture : the first one following a black-box approach and the second one following a graybox approach. We have applied these approaches to web servers and evaluated the false positive and true positive rates of our IDSes

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Книги з теми "DIVERSIFICATION APPLICATIONS"

1

Lebo, Fern. Mastering the diversity challenge: Easy on-the-job applications for measurable results. Delray Beach, Fla: St. Lucie Press, 1996.

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2

OḾuire, Toal. Risk and diversification in quoted Irish property companies: Application of the capital asset pricing model in the property sector. Dublin: University College Dublin, 1990.

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3

Grigoryan, Ekaterina. Integrated quality management system at the enterprises of the military-industrial complex. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1095033.

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In modern conditions, an integrated quality management system (ISMC) that meets the requirements of several international standards and contributes to improving the efficiency of enterprise management, creating conditions for its sustainable development, as well as the competitiveness of the enterprise and its products is becoming more and more popular. The monograph considers theoretical and methodological approaches to quality management at the enterprise. The relevance of the application of an integrated quality management system, including at the enterprises of the military-industrial complex (MIC), consisting in the most effective management of the enterprise, energy efficiency and resource conservation, is justified. The assessment of the use of quality management tools at the defense industry enterprises was carried out, the trends in the development of defense industry enterprises were substantiated, a marketing approach was applied to the classification of defense industry enterprises, in particular by market type, which allows identifying potential consumers of enterprises ' products, the degree of production diversification. Organizational and economic approaches to the formation of an integrated quality management system are presented. The procedure for creating an ISMC is considered. The methodology and criteria for evaluating the effectiveness of ISMC are substantiated. The presented material is of practical importance and can be useful to specialists in quality management, graduate students, researchers, teachers.

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4

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2016.

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5

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2016.

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6

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2010.

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7

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2016.

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8

Corporate Level Strategy: Theory and Applications. London and New York: Routledge, 2010.

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9

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2010.

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10

Furrer, Olivier. Corporate Level Strategy: Theory and Applications. Taylor & Francis Group, 2016.

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Частини книг з теми "DIVERSIFICATION APPLICATIONS"

1

Wang, Qi, and Changshui Liu. "Microbial Synthesis of Polyhydroxyalkanoates: Diversification." In Microbial Applications Vol.2, 261–78. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52669-0_14.

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2

Gouriéroux, Christian. "Factor Models, Diversification and Efficiency." In ARCH Models and Financial Applications, 161–81. New York, NY: Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-1860-9_8.

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3

He, Chu, Zijing Tan, Qing Chen, Chaofeng Sha, Zhihui Wang, and Wei Wang. "Repair Diversification for Functional Dependency Violations." In Database Systems for Advanced Applications, 468–82. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05813-9_31.

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4

Shi, Ruoxi, Hongzhi Wang, Tao Wang, Yutai Hou, Yiwen Tang, Jianzhong Li, and Hong Gao. "Similarity Search Combining Query Relaxation and Diversification." In Database Systems for Advanced Applications, 65–84. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-55699-4_5.

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5

Zhong, Ming, Huanyu Cheng, Ying Wang, Yuanyuan Zhu, Tieyun Qian, and Jianxin Li. "Towards both Local and Global Query Result Diversification." In Database Systems for Advanced Applications, 464–81. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18579-4_28.

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6

Li, Chu Min, and Wen Qi Huang. "Diversification and Determinism in Local Search for Satisfiability." In Theory and Applications of Satisfiability Testing, 158–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11499107_12.

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7

Li, Xuefeng. "The Influence of Diversification Strategy on Capital Structure." In Bio-inspired Computing – Theories and Applications, 494–503. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-3611-8_46.

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8

Zhong, Ming, Ying Wang, and Yuanyuan Zhu. "Coverage-Oriented Diversification of Keyword Search Results on Graphs." In Database Systems for Advanced Applications, 166–83. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91458-9_10.

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9

Li, Liang, Zhongmin Zhang, and Shengli Wu. "LDA-Based Resource Selection for Results Diversification in Federated Search." In Web Information Systems and Applications, 147–56. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02934-0_14.

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10

He, Kejun, Junyu Niu, and Chaofeng Sha. "DivRec: A Framework for Top-N Recommendation with Diversification in E-commerce." In Web Technologies and Applications, 391–400. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11116-2_34.

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Тези доповідей конференцій з теми "DIVERSIFICATION APPLICATIONS"

1

Neuveglise, S. "Diversification – The Technology Aspects." In International Conference on Computer Applications in Shipbuilding 2013. RINA, 2013. http://dx.doi.org/10.3940/rina.iccas.2013.34.

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2

Bouhmala, Noureddine. "Multilevel diversification and intensification in metaheuristics." In 2013 8th International Conference on Intelligent Systems: Theories and Applications (SITA). IEEE, 2013. http://dx.doi.org/10.1109/sita.2013.6560793.

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3

Zhang, Lingzhi, Jiancong Wang, and Jianbo Shi. "Multimodal Image Outpainting with Regularized Normalized Diversification." In 2020 IEEE Winter Conference on Applications of Computer Vision (WACV). IEEE, 2020. http://dx.doi.org/10.1109/wacv45572.2020.9093636.

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4

Pham, Thinh Hung, Alexander Fell, Arnab Kumar Biswas, Siew-Kei Lam, and Nandeesha Veeranna. "CIDPro: Custom Instructions for Dynamic Program Diversification." In 2018 28th International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2018. http://dx.doi.org/10.1109/fpl.2018.00045.

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5

Pin Keong, Er, Muhammad Ehsan Rana, and Vazeerudeen Abdul Hameed. "Crop Suitability Prediction Model for Malaysian Crop Diversification." In 2022 International Conference on Decision Aid Sciences and Applications (DASA). IEEE, 2022. http://dx.doi.org/10.1109/dasa54658.2022.9765283.

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6

Tello, Brady, Michael Winterrose, George Baah, and Michael Zhivich. "Simulation based Evaluation of a Code Diversification Strategy." In 5th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005522200360043.

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7

Farber, Miriam, Roman Goldenberg, George Leifman, and Gal Novich. "Novel Ensemble Diversification Methods for Open-Set Scenarios." In 2022 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV). IEEE, 2022. http://dx.doi.org/10.1109/wacv51458.2022.00342.

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8

Wang, Qun, Jiang Li, Vijayan K. Asari, and Mohammad A. Karim. "2D face database diversification based on 3D face modeling." In International Conference on Applications of Optics and Photonics, edited by Manuel F. Costa. SPIE, 2011. http://dx.doi.org/10.1117/12.894605.

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9

Zulkifli, Mohamed, Mohamed Daud, and Samat Omar. "Maximizing portfolio diversification benefit via extended mean-variance model." In 2010 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2010). IEEE, 2010. http://dx.doi.org/10.1109/isiea.2010.5679379.

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10

Ziak, Hermann, and Roman Kern. "Evaluation of Contextualization and Diversification Approaches in Aggregated Search." In 2017 28th International Workshop on Database and Expert Systems Applications (DEXA). IEEE, 2017. http://dx.doi.org/10.1109/dexa.2017.37.

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Звіти організацій з теми "DIVERSIFICATION APPLICATIONS"

1

Kimhi, Ayal, Barry Goodwin, Ashok Mishra, Avner Ahituv, and Yoav Kislev. The dynamics of off-farm employment, farm size, and farm structure. United States Department of Agriculture, September 2006. http://dx.doi.org/10.32747/2006.7695877.bard.

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Objectives: (1) Preparing panel data sets for both the United States and Israel that contain a rich set of farm attributes, such as size, specialization, and output composition, and farmers’ characteristics such as off-farm employment status, education, and family composition. (2) Developing an empirical framework for the joint analysis of all the endogenous variables of interest in a dynamic setting. (3) Estimating simultaneous equations of the endogenous variables using the panel data sets from both countries. (4) Analyzing, using the empirical results, the possible effects of economic policies and institutional changes on the dynamics of the farm sector. An added objective is analyzing structural changes in farm sectors in additional countries. Background: Farm sectors in developed countries, including the U.S. and Israel, have experienced a sharp decline in their size and importance during the second half of the 20th century. The overall trend is towards fewer and larger farms that rely less on family labor. These structural changes have been a reaction to changes in technology, in government policies, and in market conditions: decreasing terms of trade, increasing alternative opportunities, and urbanization pressures. As these factors continue to change, so does the structure of the agricultural sector. Conclusions: We have shown that all major dimensions of structural changes in agriculture are closely interlinked. These include farm efficiency, farm scale, farm scope (diversification), and off-farm labor. We have also shown that these conclusions hold and perhaps even become stronger whenever dynamic aspects of structural adjustments are explicitly modeled using longitudinal data. While the results vary somewhat in the different applications, several common features are observed for both the U.S. and Israel. First, the trend towards the concentration of farm production in a smaller number of larger farm enterprises is likely to continue. Second, at the micro level, increased farm size is negatively associated with increased off-farm labor, with the causality going both ways. Third, the increase in farm size is mostly achieved by diversifying farm production into additional activities (crops or livestock). All these imply that the farm sector converges towards a bi-modal farm distribution, with some farms becoming commercial while the remaining farm households either exit farming altogether or continue producing but rely heavily on off-farm income. Implications: The primary scientific implication of this project is that one should not analyze a specific farm attribute in isolation. We have shown that controlling for the joint determination of the various farm and household attributes is crucial for obtaining meaningful empirical results. The policy implications are to some extent general but could be different in the two countries. The general implication is that farm policy is an important determinant of structural changes in the farm sector. For the U.S., we have shown the different effects of coupled and decoupled (direct) farm payments on the various farm attributes, and also shown that it is important to take into account the joint farm-household decisions in order to conduct a meaningful policy analysis. Only this kind of analysis explains the indirect effect of direct farm payments on farm production decisions. For Israel, we concluded that farm policy (or lack of farm policy) has contributed to the fast structural changes we observed over the last 25 years. The sharp change of direction in farm policy that started in the early 1980s has accelerated structural changes that could have been smoother otherwise. These accelerated structural changes most likely lead to welfare losses in rural areas.

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