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Добірка наукової літератури з теми "Pareto Improvements"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Pareto Improvements"

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Chou, Chien-Fu, and Gabriel Talmain. "Redistribution and growth: Pareto improvements." Journal of Economic Growth 1, no. 4 (December 1996): 505–23. http://dx.doi.org/10.1007/bf00150199.

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2

Dogan, Battal, and Lars Ehlers. "Minimally unstable Pareto improvements over deferred acceptance." Theoretical Economics 16, no. 4 (2021): 1249–79. http://dx.doi.org/10.3982/te4257.

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We investigate efficient and minimally unstable Pareto improvements over the deferred acceptance (DA) mechanism—a popular school choice mechanism that is stable but not efficient. We show that there is no Pareto improvement over the DA mechanism that is minimally unstable among efficient assignments when the stability comparison is based on counting the number of blocking pairs. Our main result characterizes the priority profiles for which there exists a Pareto improvement over the DA assignment that is minimally unstable among efficient assignments. We further consider an alternative natural stability comparison based on the set of blocking students who are involved in at least one blocking pair, show that the impossibilities remain, and characterize the possibility domain of priority profiles.
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Mitchell, Matthew F., and Andrea Moro. "Persistent Distortionary Policies with Asymmetric Information." American Economic Review 96, no. 1 (February 1, 2006): 387–93. http://dx.doi.org/10.1257/000282806776157605.

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Why are distortionary policies used when seemingly Pareto improvements exist? According to a standard textbook argument, a Pareto improvement can be obtained by eliminating the distortions, compensating the losers with a lump sum transfer, and redistributing the gains that are left over. We relax the assumption that winners know the losses suffered by the losers and show that the informationally efficient method of compensating losers may involve the use of seemingly inefficient (but informationally efficient) distortionary policies. The risk of overcompensating losers may make distortions informationally efficient, as there are points on the Pareto frontier where distortions are used.
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Kooreman, Peter, and Lambert Schoonbeek. "Characterizing Pareto Improvements in an Interdependent Demand System." Journal of Public Economic Theory 6, no. 3 (August 2004): 427–43. http://dx.doi.org/10.1111/j.1467-9779.2004.00173.x.

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Mendolicchio, C., and T. Pietra. "Endowment redistribution and Pareto improvements in GEI economies." Journal of Mathematical Economics 67 (December 2016): 181–90. http://dx.doi.org/10.1016/j.jmateco.2016.08.006.

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6

Seierstad, Atle. "Pareto Improvements of Nash Equilibria in Differential Games." Dynamic Games and Applications 4, no. 3 (August 21, 2013): 363–75. http://dx.doi.org/10.1007/s13235-013-0093-8.

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Korhonen, Pekka, Jim Phillips, Jeffrey Teich, and Jyrki Wallenius. "Letter: Are Pareto Improvements Always Preferred by Negotiators?" Journal of Multi‐Criteria Decision Analysis 7, no. 1 (January 1998): 1–2. http://dx.doi.org/10.1002/(sici)1099-1360(199801)7:1<1::aid-mcda155>3.0.co;2-e.

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8

Stiglitz, Joseph. "Distinguished Lecture on Economics in Government: The Private Uses of Public Interests: Incentives and Institutions." Journal of Economic Perspectives 12, no. 2 (May 1, 1998): 3–22. http://dx.doi.org/10.1257/jep.12.2.3.

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[Joseph Stiglitz was a member of the Council of Economic Advisers from 1993–95, and chairman of the CEA from 1995 through February 1997.] Today, I want to share with you some of my thoughts about the possibilities and limitations of government. These thoughts are focused around a simple question: Why is it so difficult to implement even Pareto improvements? Working in Washington, I quickly saw that although a few potential changes were strictly Pareto improvements, there were many other changes that would hurt only a small, narrowly defined group (for example, increasing the efficiency of the legal system might hurt lawyers). But if everyone except a narrowly defined special interest group could be shown to benefit, surely the change should be made. In practice, however, “almost everyone” was rarely sufficient in government policy-making and often such near-Pareto improvements did not occur. My major theme will be to provide a set of explanations for why this might be so. I shall put forward four hypotheses in this lecture, each of which provides part of the explanation for the failure in at least one instance of a proposed Pareto improvement. These hypotheses, like much of the literature on government failures, focus on the role of incentives: how misaligned incentives can induce government officials to take actions that are not, in any sense, in the public interest.
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Hoel, Michael O., Sverre A. C. Kittelsen, and Snorre Kverndokk. "Correcting the Climate Externality: Pareto Improvements Across Generations and Regions." Environmental and Resource Economics 74, no. 1 (February 21, 2019): 449–72. http://dx.doi.org/10.1007/s10640-019-00325-y.

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Dierker, Egbert. "Initial shares can cause Pareto improvements when markets are incomplete." Economic Theory Bulletin 6, no. 2 (February 3, 2018): 171–81. http://dx.doi.org/10.1007/s40505-018-0135-x.

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Дисертації з теми "Pareto Improvements"

1

Glaser, Eric L. "Pareto optimum improvement in Government contracting." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA374474.

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Анотація:
Thesis (M.S. in Management) Naval Postgraduate School, December 1999.
"December 1999". Thesis advisor(s): David R. Henderson, Jeffrey R. Cuskey. Includes bibliographical references (p. 131-134). Also available online.
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2

Bautista, Dianne Carrol Tan. "A Sequential Design for Approximating the Pareto Front using the Expected Pareto Improvement Function." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1237600537.

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Moore, Linda Gayle. "Predictors of Change for Parents Who Perceive Improvement in Their Family Functioning Following a Parent-Training Program." DigitalCommons@USU, 1991. https://digitalcommons.usu.edu/etd/6013.

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The purpose of the present study was to determine if perceptions of improved family functioning following a behavioral parenting program could be predicted by educational background, income, and pretest knowledge of behavioral principles. Subjects for the study were parents of elementary-school-aged children who volunteered for the parenting classes. Parents who perceived their families as dysfunctional, as measured by the pretest FACES II, were selected as subjects for the study. Parents whose perceptions of their families improved after the parenting class were then compared with parents who did not perceive improvement in their families on the predictor variables. The results demonstrated that parents whose perceptions of their families improved were not significantly differentiated by income, education, or their knowledge of behavioral principles. These variables were not found to be as predictors to determine which parents would be positively impacted by the parenting program. The majority of parents did increase their knowledge of behavioral principles from pretest to posttest; however, this was not related to improvement in perceptions of family functioning. Further research is recommended to ascertain what characteristics of parents predict change following parent training.
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Githembe, Purity Kanini. "African Refugee Parents' Involvement in Their Children's Schools: Barriers and Recommendations for Improvement." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc12128/.

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The purpose of this study was to examine involvement of African refugee parents in the education of their elementary school children. The setting of the study was Northern and Southern Texas. African refugee parents and their children's teachers completed written surveys and also participated in interviews. In the study's mixed-method design, quantitative measures provided data about parent involvement at home, parent involvement at school, frequency of parent-teacher contact, quality of parent-teacher relationship, parent endorsement of children's schools, and barriers to parent involvement. Qualitative data from the open-ended questions provided data on barriers and strategies to improve involvement. Sixty-one African refugee parents responded to the survey and also participated in an in-depth face-to-face or telephone interview. Twenty teacher participants responded to an online survey. Quantitative data gathered from the parent and teacher surveys were analyzed using frequency distributions and analyses of variance. Qualitative data were analyzed by summarizing and sorting information into different categories using Weft QDA, an open-source qualitative analysis software. From these data, I identified barriers to African refugee parent involvement in their children's schools, as well as challenges that teachers face as they try to involve African refugee parents. Results of analyses of variance revealed statistically significant differences in parent involvement between African refugee parents with limited English proficiency and those with high English proficiency. A key finding of the research was that, whereas the overall level of parent involvement for African refugee parents was low, a major barrier to involvement was language. Teachers and parents cited enrolment in English as a second language programs as the best strategy to enhance parent involvement of African refugees. Additionally, parents who reported higher education levels were more involved in their children's education both at home and at school. All groups of African refugee parents reported high endorsement of their children's school. Strategies suggested to improve involvement include the use of interpreters and parent education on importance of involvement.
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Rousis, Damon. "A pareto frontier intersection-based approach for efficient multiobjective optimization of competing concept alternatives." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41136.

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The expected growth of civil aviation over the next twenty years places significant emphasis on revolutionary technology development aimed at mitigating the environmental impact of commercial aircraft. As the number of technology alternatives grows along with model complexity, current methods for Pareto finding and multiobjective optimization quickly become computationally infeasible. Coupled with the large uncertainty in the early stages of design, optimal designs are sought while avoiding the computational burden of excessive function calls when a single design change or technology assumption could alter the results. This motivates the need for a robust and efficient evaluation methodology for quantitative assessment of competing concepts. This research presents a novel approach that combines Bayesian adaptive sampling with surrogate-based optimization to efficiently place designs near Pareto frontier intersections of competing concepts. Efficiency is increased over sequential multiobjective optimization by focusing computational resources specifically on the location in the design space where optimality shifts between concepts. At the intersection of Pareto frontiers, the selection decisions are most sensitive to preferences place on the objectives, and small perturbations can lead to vastly different final designs. These concepts are incorporated into an evaluation methodology that ultimately reduces the number of failed cases, infeasible designs, and Pareto dominated solutions across all concepts. A set of algebraic samples along with a truss design problem are presented as canonical examples for the proposed approach. The methodology is applied to the design of ultra-high bypass ratio turbofans to guide NASA's technology development efforts for future aircraft. Geared-drive and variable geometry bypass nozzle concepts are explored as enablers for increased bypass ratio and potential alternatives over traditional configurations. The method is shown to improve sampling efficiency and provide clusters of feasible designs that motivate a shift towards revolutionary technologies that reduce fuel burn, emissions, and noise on future aircraft.
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Ayeah, Ebenezer Nkwain. "The Application of Process Improvement Techniques at a Clothing Manufacturing Company in the Western Cape." University of the Western Cape, 2003. http://hdl.handle.net/11394/7773.

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Анотація:
Magister Commercii - MCom
This research project focuses on the application of process improvement techniques in a clothing manufacturer to address delay problems in workflow in the factory. The objective of the research is threefold; investigate delays at the beginning of production and make suggestions, show the usefulness of continuous improvement techniques in improving activities in a clothing manufacturer and demonstrate how action research can be used in doing research in production and operation management. Using tools such as flow charts, check sheets, pareto analysis, fishbone diagrams, interviews and the "ask why five times" tool, an investigation into delays led to a second investigation into sewing defects. This established that these sewing defects are caused mainly by time constraints, the malfunctioning of machines, the wrong handling of garments, and previous operations. After an investigation using the above tools it was established that these defects could be addressed by setting realistic targets, doing regular maintenance on machines, cautioning operators to be more careful during their operations, and encouraging regular checks on garments before the next operation. The action learning methodology led to the following lessons; selecting a correct measuring tool is important, that not all tools need to be used, and that it takes time to do a research project using this method.
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Grulich, Petr. "Návrhy na zvýšení efektivity společnosti Grow3 Ltd s využitím mapování interních procesů." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2015. http://www.nusl.cz/ntk/nusl-234385.

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Diplomová práce se zaměřuje na zefektivnění podnikových procesů ve společnosti Grow3. Obsahuje analýzu procesů, zjištění příčin současných problémů za použití teoretických modelů a návrhovou část vedoucí k zefektivnění těchto procesů. Součástí je také vytvoření standardizovaných modelů pro nejdůležitější procesy. Poslední část obsahuje výsledky a porovnání provedených analýz s přihlédnutím na vytvořená doporučení.
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Hala, Filip. "Návrh řízení výrobního procesu." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2013. http://www.nusl.cz/ntk/nusl-223925.

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The aim of this diploma thesis is to create and apply a methodology to improve the manufacturing process. Processes for the passage of a contract through the company and activities of the foreman were analyzed. According to this analysis, a methodology was created for continuous improvement of the manufacturing process. This methodology was applied to the data obtained in the analysis. Based on the application of the methodology, actions have been proposed to improve the production process.
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Yah, Fritz Alum, and Jian Che. "Fundamental Study For Supplier Quality Improvement at AP&T Presses AB Sweden." Thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-18884.

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This thesis aims at securing the quality of components from AP&T’s suppliers and to get a picture of different suppliers’ processes. In this thesis, samples supplied by various AP&T suppliers where measured at AP&T to gather data on how well the parts met design specifications. The collected data were analyzed using histogram and stratification. Further analysis was done using pareto chart and capability indices. Only the critical dimensions identified from the pareto chart together with discussions with experts on the shop floor were further analyzed using capability indices. This was done to focus more on the critical dimensions which needed more attention. The findings were critically studied and suggestions were made which served as a fundamental base for supplier product quality improvement plan at AP&T. However, there was no direct contact with the supplier process to ascertain its being in control; therefore, product characterization was carried out. In this case, all the results obtained from the analyses only gave a momentary picture of the process. Therefore, the results can not be used for future predictions.In the analysis, special attention was laid on the shape, spread and centering of the histogram. Studies were also done on the significant few; got from the pareto chart. Use was made of capability indices to get the momentary fall-outs of ppm and the percentage of the specification band used up by the process.
Uppsatsnivå: D
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Binois, Mickaël. "Uncertainty quantification on pareto fronts and high-dimensional strategies in bayesian optimization, with applications in multi-objective automotive design." Thesis, Saint-Etienne, EMSE, 2015. http://www.theses.fr/2015EMSE0805/document.

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Cette thèse traite de l’optimisation multiobjectif de fonctions coûteuses, aboutissant à laconstruction d’un front de Pareto représentant l’ensemble des compromis optimaux. En conception automobile, le budget d’évaluations est fortement limité par les temps de simulation numérique des phénomènes physiques considérés. Dans ce contexte, il est courant d’avoir recours à des « métamodèles » (ou modèles de modèles) des simulateurs numériques, en se basant notamment sur des processus gaussiens. Ils permettent d’ajouter séquentiellement des observations en conciliant recherche locale et exploration. En complément des critères d’optimisation existants tels que des versions multiobjectifs du critère d’amélioration espérée, nous proposons d’estimer la position de l’ensemble du front de Pareto avec une quantification de l’incertitude associée, à partir de simulations conditionnelles de processus gaussiens. Une deuxième contribution reprend ce problème à partir de copules. Pour pouvoir traiter le cas d’un grand nombre de variables d’entrées, nous nous basons sur l’algorithme REMBO. Par un tirage aléatoire directionnel, défini par une matrice, il permet de trouver un optimum rapidement lorsque seules quelques variables sont réellement influentes (mais inconnues). Plusieurs améliorations sont proposées, elles comprennent un noyau de covariance dédié, une sélection du domaine de petite dimension et des directions aléatoires mais aussi l’extension au casmultiobjectif. Enfin, un cas d’application industriel en crash a permis d’obtenir des gainssignificatifs en performance et en nombre de calculs requis, ainsi que de tester le package R GPareto développé dans le cadre de cette thèse
This dissertation deals with optimizing expensive or time-consuming black-box functionsto obtain the set of all optimal compromise solutions, i.e. the Pareto front. In automotivedesign, the evaluation budget is severely limited by numerical simulation times of the considered physical phenomena. In this context, it is common to resort to “metamodels” (models of models) of the numerical simulators, especially using Gaussian processes. They enable adding sequentially new observations while balancing local search and exploration. Complementing existing multi-objective Expected Improvement criteria, we propose to estimate the position of the whole Pareto front along with a quantification of the associated uncertainty, from conditional simulations of Gaussian processes. A second contribution addresses this problem from a different angle, using copulas to model the multi-variate cumulative distribution function. To cope with a possibly high number of variables, we adopt the REMBO algorithm. From a randomly selected direction, defined by a matrix, it allows a fast optimization when only a few number of variables are actually influential, but unknown. Several improvements are proposed, such as a dedicated covariance kernel, a selection procedure for the low dimensional domain and of the random directions, as well as an extension to the multi-objective setup. Finally, an industrial application in car crash-worthiness demonstrates significant benefits in terms of performance and number of simulations required. It has also been used to test the R package GPareto developed during this thesis
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Книги з теми "Pareto Improvements"

1

Finkelstein, Amy. When can partial public insurance produce Pareto improvements? Cambridge, MA: National Bureau of Economic Research, 2002.

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2

Berenbeim, Ronald E. Corporate programs for early education improvement. New York, NY: The Conference Board, 1992.

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3

A, Edwards Patricia. Tapping the potential of parents: A strategic guide to boosting student achievement through family Involvement. New York: Scholastic, 2009.

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A, Edwards Patricia. Tapping the potential of parents: A strategic guide to boosting student achievement through family Involvement. New York: Scholastic, 2009.

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5

A, Edwards Patricia. Tapping the potential of parents: A strategic guide to boosting student achievement through family Involvement. New York: Scholastic, 2009.

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6

John, Bastiani, and Goode Jackie, eds. Listening to parents: An approach to the improvement of home/school relations. London: Croom Helm, 1988.

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7

Paisner, Daniel. Say What You Mean and Mean What You Say! New York: HarperCollins, 2008.

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8

Jakes, T. D. Promises From God for Parents. New York: Penguin Group USA, Inc., 2008.

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9

Mansell, Susan. How to give your child an excellent public school education. Secaucus, N.J: Carol Pub. Group, 1998.

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School choice and parental involvement: Hearing before the Subcommittee on Oversight and Investigations of the Committee on Education and the Workforce, House of Representatives, One Hundred Sixth Congress, second session, hearing held in Bloomington, Minnesota, June 6, 2000. Washington: U.S. G.P.O., 2000.

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Частини книг з теми "Pareto Improvements"

1

McGuire, Martin C. "Social Welfare and Pareto Improvement." In Positive and Normative Analysis in International Economics, 84–100. London: Palgrave Macmillan UK, 2012. http://dx.doi.org/10.1057/9780230348202_6.

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Singh, Ravi P., Philomin Juliana, Julio Huerta-Espino, Velu Govindan, Leonardo A. Crespo-Herrera, Suchismita Mondal, Sridhar Bhavani, et al. "Achieving Genetic Gains in Practice." In Wheat Improvement, 97–123. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90673-3_7.

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AbstractAccelerating the rate of genetic gain for grain yield together with key traits is pivotal for delivering improved wheat varieties. The key strategies of CIMMYT’s spring bread wheat improvement program to continuously increase genetic gains and deliver elite wheat lines to national partners in the target countries include: breeding for product profiles that prioritize selection traits; robust choice of diverse parents by leveraging all phenotypic and genotypic data; effective crossing schemes with an optimal proportion of different types of crosses; early-generation advancement using the selected-bulk breeding scheme that reduces operational costs; the two generations/year field based “shuttle-breeding” that reduces the breeding cycle time while selecting breeding populations in contrasting environments with diverse biotic and abiotic stresses; making advancement decisions for elite lines using data from intensive multi-trait, multi-year and multi-environment phenotyping; integrating new methods like genomic selection; utilizing yield and phenotypic data from international yield trials and screening nurseries generated by worldwide partners for identifying and utilizing superior lines; and maintaining effective partnerships with the National Agricultural Research Systems who serve as key leaders in developing, releasing, and disseminating varieties to farmers. In addition to these strategies, new breeding schemes to reduce the cycle time and recycle parents in 2–3 years are being piloted and optimized to further accelerate genetic gain.
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Li, Qing. "E-commerce of Eco Bags on Basis of Pareto Improvement." In Contributions to Economics, 13–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41585-2_2.

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Bengtsson, Marcus. "Applying Multi-factorial Pareto Analysis in Prioritizing Maintenance Improvement Initiatives." In Lecture Notes in Mechanical Engineering, 317–30. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23597-4_23.

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Meredith, W. R. "Contributions of Introductions to Cotton Improvement." In Use of Plant Introductions in Cultivar Development Part 1, 127–46. Madison, WI, USA: Crop Science Society of America, 2015. http://dx.doi.org/10.2135/cssaspecpub17.c8.

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Bigerl, Alexander, Lixi Conrads, Charlotte Behning, Muhammad Saleem, and Axel-Cyrille Ngonga Ngomo. "Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors." In The Semantic Web – ISWC 2022, 57–73. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-19433-7_4.

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AbstractTime-efficient solutions for querying RDF knowledge graphs depend on indexing structures with low response times to answer SPARQL queries rapidly. Hypertries—an indexing structure we recently developed for tensor-based triple stores—have achieved significant runtime improvements over several mainstream storage solutions for RDF knowledge graphs. However, the space footprint of this novel data structure is still often larger than that of many mainstream solutions. In this work, we detail means to reduce the memory footprint of hypertries and thereby further speed up query processing in hypertrie-based RDF storage solutions. Our approach relies on three strategies: (1) the elimination of duplicate nodes via hashing, (2) the compression of non-branching paths, and (3) the storage of single-entry leaf nodes in their parent nodes. We evaluate these strategies by comparing them with baseline hypertries as well as popular triple stores such as Virtuoso, Fuseki, GraphDB, Blazegraph and gStore. We rely on four datasets/benchmark generators in our evaluation: SWDF, DBpedia, WatDiv, and WikiData. Our results suggest that our modifications significantly reduce the memory footprint of hypertries by up to 70% while leading to a relative improvement of up to 39% with respect to average Queries per Second and up to 740% with respect to Query Mixes per Hour.
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Frize, Monique. "Safety Considerations, Minimizing Liability, and Continuous Quality Improvement (CQI)." In Health Care Engineering Part I, 45–57. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-031-01657-8_4.

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Isleib, T. G., and J. C. Wynne. "Use of Plant Introductions in Peanut Improvement." In Use of Plant Introductions in Cultivar Development Part 2, 75–116. Madison, WI, USA: Crop Science Society of America, 2015. http://dx.doi.org/10.2135/cssaspecpub20.c4.

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Rutger, J. Neil, and Charles N. Bollich. "Use of Introduced Germplasm in U.S. Rice Improvement." In Use of Plant Introductions in Cultivar Development Part 1, 1–13. Madison, WI, USA: Crop Science Society of America, 2015. http://dx.doi.org/10.2135/cssaspecpub17.c1.

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"Pareto-improvements and cooperatives." In Information, Incentives and the Economics of Control, 109–16. Cambridge University Press, 1992. http://dx.doi.org/10.1017/cbo9780511571718.011.

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Тези доповідей конференцій з теми "Pareto Improvements"

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Qian Zhao, Weijun Wang, Hong Chen, and Wenlin Chen. "Pareto improvements for a supply chain with price-only contracts based on quick response." In 2015 12th International Conference on Service Systems and Service Management (ICSSSM). IEEE, 2015. http://dx.doi.org/10.1109/icsssm.2015.7170182.

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Zhang, B., S. Sudhoff, S. Pekarek, R. Swanson, J. Flicker, J. Neely, J. Delhotal, and R. Kaplar. "Prediction of Pareto-optimal performance improvements in a power conversion system using GaN devices." In 2017 IEEE 5th Workshop on Wide-Bandgap Power Devices and Applications (WiPDA). IEEE, 2017. http://dx.doi.org/10.1109/wipda.2017.8170526.

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Odonkor, Philip, and Kemper Lewis. "Optimization of Energy Use Strategies in Building Clusters Using Pareto Bands." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59963.

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Optimization research on operational strategies of energy use in building clusters have generally marginalized the effects of uncertainty in favor of reduced computational expense. This however leads to a significant disconnect between the expected energy cost and the average cost observed under uncertainty. Bridging this divide requires the incorporation of uncertainty analysis which poses both technical and computational challenges. This paper addresses these challenges through the notion of a Pareto band, demonstrating its applicability towards developing resilient operational strategies in a timely and computationally efficient manner. Under the proposed approach, Monte Carlo simulations are leveraged to reveal an envelope of optimality contained within the energy cost solution space. This optimality envelope, formally introduced as a Pareto band, is then used to train generalized linear models (GLMs) enabling robust operational strategy predictions. The results obtained from this approach highlight significant improvements in energy cost performance under uncertainty.
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Kazancioglu, Emre, Guangquan Wu, Jeonghan Ko, Stanislav Bohac, Zoran Filipi, S. Jack Hu, Dennis Assanis, and Kazuhiro Saitou. "Robust Optimization of an Automotive Valvetrain Using a Multiobjective Genetic Algorithm." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/dac-48714.

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A robust optimization of an automobile valvetrain is presented where the variation of engine performances due to the component dimensional variations is minimized subject to the constraints on mean engine performances. The dimensional variations of valvetrain components are statistically characterized based on the measurements of the actual components. Monte Carlo simulation is used on a neural network model built from an integrated high fidelity valvetrain-engine model, to obtain the mean and standard deviation of horsepower, torque and fuel consumption. Assuming the component production cost is inversely proportional to the coefficient of variation of its dimensions, a multi-objective optimization problem minimizing the variation in engine performances and the total production cost of components is solved by a multi-objective genetic algorithm (MOGA). The comparisons using the newly developed Pareto front quality index (PFQI) indicate that MOGA generates the Pareto fronts of substantially higher quality, than SQP with varying weights on the objectives. The current design of the valvetrain is compared with two alternative designs on the obtained Pareto front, which suggested potential improvements.
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Shaefer, Daniel, and Scott Ferguson. "Using a Goal-Switching Selection Operator in Multi-Objective Genetic Algorithm Optimization Problems." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-13199.

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This paper demonstrates how solution quality for multiobjective optimization problems can be improved by altering the selection phase of a multiobjective genetic algorithm. Rather than the traditional roulette selection used in algorithms like NSGA-II, this paper adds a goal switching technique to the selection operator. Goal switching in this context represents the rotation of the selection operator among a problem’s various objective functions to increase search diversity. This rotation can be specified over a set period of generations, evaluations, CPU time, or other factors defined by the designer. This technique is tested using a set period of generations before switching occurs, with only one objective considered at a time. Two test cases are explored, the first as identified in the Congress on Evolutionary Computation (CEC) 2009 special session and the second a case study concerning the market-driven design of a MP3 player product line. These problems were chosen because the first test case’s Pareto frontier is continuous and concave while being relatively easy to find. The second Pareto frontier is more difficult to obtain and the problem’s design space is significantly more complex. Selection operators of roulette and roulette with goal switching were tested with 3 to 7 design variables for the CEC 09 problem, and 81 design variables for the MP3 player problem. Results show that goal switching improves the number of Pareto frontier points found and can also lead to improvements in hypervolume and/or mean time to convergence.
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Gobbi, Massimiliano, Gianpiero Mastinu, Augusto D’Orazio, Massimo Caudano, and Giorgio Faustini. "On the Optimisation of a Double Cone Synchroniser for Improved Manual Transmission Shiftability." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32911.

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The paper presents a method to optimise the synchroniser of a road vehicle gearbox in order to improve shiftability and driver comfort. A multi-body physical model of the synchroniser has been developed and validated experimentally. The optimisation method is based on a Multi-objective Programming approach, and it allows to tune the thirty-two parameters of the synchroniser in order to achieve the desired dynamic behaviour of the system during a reference shift action, defined by seven performance indices. A Global Approximation procedure has been followed to solve numerically the optimisation problem. A special study has been performed and implemented in order to explore all of the feasible design solutions within the design variables domain. A global sensitivity method has been applied in order to analyse the relationships among the thirty-two design variables and the seven performance indices. Pareto-optimal design solutions have been computed in a very short time. These Pareto-optimal solutions have been checked for robustness by applying the minimum sensitivity method. The optimisation method has been applied with successful results. A number of optimised synchronisers have been defined, all of them featuring relevant improvements in the dynamic behaviour (shiftability) with respect to the reference synchroniser, aleady effective and under production.
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Calisal, Sander, Onur Yurdakul, Gozde Kucuksu, and Ziya Saydam. "A Decision Making Process for the Selection of Better Ship Main Dimensions with the Fuel EEDI Requirements." In SNAME 14th International Marine Design Conference. SNAME, 2022. http://dx.doi.org/10.5957/imdc-2022-226.

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Initial ship design necessitates the evaluation of main ship parameters in order to obtain a feasible design solution satisfying the design objectives. Traditionally, relationships between the main dimensions and design parameters of proven designs provided the basis of a successful and safe solution. This approach restrains the designer from improving the design with respect to possible conflicting design criteria. Pareto frontier technique has widely been utilized in the design of ships, mainly at the advanced design stages for multi-objective optimization problems. As the principal dimensions of a ship, are vital on the performance of a vessel, major improvements in performance may be achieved by selecting “better” principal dimensions. This paper proposes to integrate in the Pareto technique studied earlier by the authors, the EEDI perspective at an early stage in the a decision-making process for the selection of better main dimensions with respect to multiple conflicting criteria. The previous work on the subject showed that rather promising results could be obtained for fishing boats, naval ships and planning hulls. In this case additional requirements are included in the selection using the expected fuel consumption into the owner requirements. The study is now limited to displacement type vessels and well known and tested resistance, seakeeping and propeller algorithms. A Pareto Front has been observed for all cases studied and is seen as a technological barrier for the ship performance with respect to main dimensions. We believe that the procedure developed reduces future conflicts in the design along the design spiral and satisfying the EEDI fuel reduction requirements. The improved performance of the design with respect to the conflicting design criteria at the initial stage of design also serves as a better basis for further optimization.
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Keskin, A., M. Swoboda, P. M. Flassig, A. K. Dutta, and D. Bestle. "Accelerated Industrial Blade Design Based on Multi-Objective Optimization Using Surrogate Model Methodology." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50506.

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The intention of this paper is to provide an advanced aerodynamic blade design approach for industrial purposes which are basically characterized by limited development time, human and computing resources. From the industrial point of view, the demand for process acceleration and design optimization cannot be sufficiently satisfied with traditional human-based design methods. Recent investigations on blade optimization have shown some potential in performance improvements, however, this is typically obtained by high computational efforts in particular when using multi-objective optimization methods. In order to combine the benefits of numerical optimization with the requirements of industrial needs for design acceleration, a new automated blade optimization strategy is required. The accelerated industrial blade design process in this paper is based on a three-dimensional parameterization approach using non-dimensional parameter distributions which always guarantee desired blade geometry smoothness. In order to approximate the design objectives and constraints, a response surface methodology is applied where the design parameter variation is obtained by the quasi-random SOBOL sequence. Based on that, a highly sophisticated multi-objective genetic algorithm is used with reasonable numbers for individuals and generations for solving the contradicting design goals of an aerodynamic blade design problem by considering multiple aerodynamic and geometric constraints. This approach offers a set of non-dominated solutions on the Pareto-front which are subsequently evaluated with the exact flow analysis. In case of objective function value discrepancies between model and exact evaluations, an update of the surrogate model is performed including these additional solutions until the approximation response is equivalent to the exact analysis within a predefined tolerance. This new methodology shows a significant overall design time reduction particularly a decrease of required function evaluations without loosing the benefit of multi-objective optimization in providing Pareto-optimal solutions. Based on a typical industrial compressor test case, an aerodynamic performance improvement and process acceleration by factor greater than 10 could be achieved.
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Yarmohamadi, Hoda, and Viktor Berbyuk. "Comfort and Handling of a Commercial Vehicle With Individual Front Suspension." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47876.

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The main focus in the presented work is on the sensitivity analysis of the comfort and handling characteristics of a commercial vehicle with Individual Front Suspension (IFS). For the sensitivity analysis, two simulations in frequency domain are conducted: road input and steering input frequency responses. Employing the model of the tractor semitrailer combination for the above mentioned analyses, this study evaluates the influence of five damping coefficients — cab, front and rear axle shock absorbers — on our objectives. The results that are provided in Pareto fronts clearly show the great influence of the studied parameters, particularly the front axle and cab lateral dampers, on the vehicle comfort and handling for the performed simulations. Finally, the model is updated with the chassis and cab lateral damper coefficients to run a simulation on random roads for more detailed comfort examinations. This analysis confirms the obtained improvements in the outcome of the sensitivity study.
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Horley, Shirleen, and Joseph Rascon. "Using a Unified Data Stream to Drive Failure Analysis for Product Improvement in the Personal Computer (PC) Environment." In ISTFA 2006. ASM International, 2006. http://dx.doi.org/10.31399/asm.cp.istfa2006p0030.

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Abstract The longer defective units are in the manufacturing pipeline before they are detected, the more expensive it becomes. Economic pressures drive the requirement to capture failures and perform root cause analysis further upstream in the product manufacturing cycle. This places greater emphasis on the ability to identify failures and perform value add analysis to drive product improvements as early as possible. This paper describes the method used to develop a reliable Unified Data Stream (UDS) that feeds the failure analysis process which in turn provides actionable information to product development teams in the Personal Computer (PC) environment. This manuscript describes the development and implementation of the Unified Data Stream designed to replace ambiguity and uncertainty with a defect trend and symptom pareto that drives action upstream. Focus will be on the output of UDS enabling the prioritization of product defects that feed the failure analysis system. Additionally, this paper will touch on the application of the UDS system for different types of pc components. The future of UDS is without bounds as it can also be applied to a wide range of products.
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Звіти організацій з теми "Pareto Improvements"

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Finkelstein, Amy. When Can Partial Public Insurance Produce Pareto Improvements? Cambridge, MA: National Bureau of Economic Research, June 2002. http://dx.doi.org/10.3386/w9035.

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Krishna, Kala, Sergey Lychagin, Wojciech Olszewski, Ron Siegel, and Chloe Tergiman. Pareto Improvements in the Contest for College Admissions. Cambridge, MA: National Bureau of Economic Research, July 2022. http://dx.doi.org/10.3386/w30220.

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Sallee, James. Pigou Creates Losers: On the Implausibility of Achieving Pareto Improvements from Efficiency-Enhancing Policies. Cambridge, MA: National Bureau of Economic Research, May 2019. http://dx.doi.org/10.3386/w25831.

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Coggin, Kody. Waste Dispositioning Process Improvement Project: A Three Part Reliability and Lean Process Improvement. Office of Scientific and Technical Information (OSTI), October 2018. http://dx.doi.org/10.2172/1478632.

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Escuriet-Peiró, Ramon. La atención al parto normal en unidades lideradas por matronas en Irlanda del Norte: Guía para las mujeres y sus familias. Universitat Ramon Llull. Facultat de Ciències de la Salut Blanquerna, 2021. http://dx.doi.org/10.51698/fcs.wp.2021.01.

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Este documento es la traducción de la Guiía de atención al parto normal de la Regulation and Quality Improvement Authority (RQIA) de Irlanda del Norte. RQIA es el organismo responsable de monitorizar e inspeccionar la disponibilidad y calidad de los servicios de salud en Irlanda del Norte, y alentar mejoras en la calidad de estos. Esta guía ha sido revisada metodológicamente por pares. Y la tradducción ha sido elaborada siguiendo las guías de traducción y adaptación de la Organización Mundial de la Salud. A su vez, ésta ha sido revisada por un grupo local multidisciplinar de expertos en el ámbito de la obstetrícia con el fin de evaluar su posible adaptación y aplicación en cetros que formen parte de nuestro Sistema Ncional de Salud. Este grupo considera que la aplicación de esta guía es factible en un contexto como el de España
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Lavadenz, Magaly, Elvira Armas, and Irene Villanueva. Parent Involvement and the Education of English Learners and Standard English Learners: Perspectives of LAUSD Parent Leaders. Loyola Marymount University, 2007. http://dx.doi.org/10.15365/ceel.policy.1.

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This policy brief reports findings from a survey of parent leaders in 2007 that sought to understand what parents of English Learners and Standard English Learners think about the education of their children and about parent education and involvement in the Los Angeles Unified School District (LAUSD). Surveys with 513 LAUSD parent leaders revealed low ratings for LAUSD’s parent education efforts as well as for student academic programs. Open-ended responses point both to educational as well as policy recommendations in the following areas: 1) home/school collaboration; 2) professional development, curriculum and Instruction, and tutors/support; and 3) accountability. This policy brief concludes that improvement in the educational experiences and outcomes for Standard English Learners and English Learners can happen by capitalizing on existing parent leadership.
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Yildiz, B., K. C. Chang, D. J. Meyers, H. You, J. D. Carter, J. W. Elam, D. A. Honegger, J. A. Libera, and M. J. Pellin. SOEC efficiency and cost improvement Part 1 and 2. Office of Scientific and Technical Information (OSTI), June 2007. http://dx.doi.org/10.2172/947082.

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Escuriet-Peiró, Ramon, Anna Martín-Arribas, Ana Isabel Fernández-Cuesta, Roser Palau, and Maria Segura Lechuga. Planificación del parto en una unidad liderada por matronas (ULM). Universitat Ramon Llull. Facultat de Ciències de la Salut Blanquerna, 2021. http://dx.doi.org/10.51698/fcs.wp.2021.03.

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Анотація:
Este documento es la traducción de la Guía para usuarias sobre la atención al parto normal y los criterios de ingreso en una unidad de bajo riesgo de la Regulation and Quality Improvement Authority (RQIA) de Irlanda del Norte. RQIA es el organismo responsable de monitorizar e inspeccionar la disponibilidad y calidad de los servicios de salud en Irlanda del Norte y alentar mejoras de la calidad de estos. Esta guía ha sido revisada metodológicamente, por pares. Y la traducción ha sido elaborada siguiendo las guías de traducción y adaptación de la Organiación Mundial de la Salud,
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Venumadhav, Singaraju, M. Murugan, Srinivasan Govindarajan, Muthukrishnan Ramachandran, B. Srinivasan, and Murugan Sivakumar. A Study on Material Compatibility and Improvements of Fuel System Parts of Gasoline Engine for Ethanol Blended Fuels. Warrendale, PA: SAE International, September 2010. http://dx.doi.org/10.4271/2010-32-0074.

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Bogutsky, V. В. THE MAIN DIRECTIONS OF IMPROVEMENT OF TECHNOLOGY OF PROCESSING OF NON-RIGID PARTS OF HIGH PRECISION. Journal Article published February 2020 in Bulletin of Science and Technical Development, 2020. http://dx.doi.org/10.18411/vntr2020-150-1.

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