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Heuristics for flow shop scheduling : considering non-permutation schedules and a heterogeneous workforce / Heurísticas para escalonamento em flow shops : considerando escalonamentos não-permutacionais e trabalhadores heterogêneosBenavides Rojas, Alexander Javier January 2015 (has links)
O problema de escalonamento num flow shop (ou flow shop scheduling problem, FSSP) é um modelo de sistemas de produção muito comum que é bem estudado na literatura. No entanto, quase toda a literatura foca-se em escalonamentos permutacionais, desconsiderando soluções ótimas e quase ótimas que são escalonamentos não-permutacionais. Além disso, a prática comum padroniza os tempos de processamento de cada operação, mesmo que estes tempos variem dependendo das diferentes capacidades dos operadores das máquinas, cuja diversidade deve ser considerada no processo de escalonamento quando seja significativa, e.g., em centros de emprego para deficientes (CEDs). Nesta tese, propomos métodos para resolver o FSSP não-permutacional, usando o mesmo tempo e esforço que os métodos do estado da arte usam para o FSSP permutacional, e produzindo escalonamentos não-permutacionais com melhor qualidade do que escalonamentos permutacionais e não-permutacionais produzidos por métodos do estado da arte. Também propomos métodos para resolver o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num flow shop (ou heterogeneous workforce assignment and flow shop scheduling problem, Het-FSSP), produzindo soluções que compensam as diferentes capacidades e deficiências dos trabalhadores com pequenas perdas nos objetivos da produção. Além do mais, a designação de trabalhadores heterogêneos pode ser integrada em outros problemas de escalonamento, como fizemos com o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num job shop (ou heterogeneous workforce assignment and job shop scheduling problem, Het-JSSP). / The flow shop scheduling problem (or FSSP) is a very common model of production systems that is well studied in the literature. However, almost all the literature focuses on the permutation FSSP, disregarding optimal and near optimal solutions that are non-permutation schedules. Besides, common practice standardizes the processing times of each operation, even when those times may vary depending on different capabilities of the machine operators, whose diversity must be considered in the scheduling process when it is significant, e.g., in Sheltered Work centers for Disabled (SWDs). In this thesis, we propose methods to solve the non-permutation FSSP, using the same time and effort as state-of-the-art methods for the permutation FSSP, and producing non-permutation schedules with better quality than permutation and non-permutation schedules produced by state-of-the-art methods. We also propose methods to solve the combined heterogeneous workforce assignment and flow shop scheduling problem (or Het-FSSP), producing solutions that compensate the different capabilities and disabilities of the workers with minor or null losses in the productivity objectives. Moreover, the heterogeneous workforce assignment may be integrated into other shop scheduling models, as we did with the heterogeneous workforce assignment and job shop scheduling problem (or Het-JSSP) with similar results.
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Marketingová komunikace společnosti HERVIS SPORTS / Marketing communication of HERVIS SPORTSSouchová, Dominika January 2018 (has links)
1 Abstract Title: Marketing communication of Hervis Sports company Objectives: The main aim of the Diploma Thesis is to analyse marketing communication of Hervis Sports company and is suggestions for improvement based on informations of Hervis Sports employee, the results of research and analysis of documents. Methods: The main metods of collectiong datas used in this Diploma Thesis were in - depth interview with one of the head employee of Hervis Sports company and marketing research focused on knowing Hervis Sports and its communications methods. For the description of marketing communications was used analyse of documents. Results: From results of in - depth interview and marketing research has been found that in current time marketing communication is more focused on customers shopping in stores. The most money Hervis Sports spend for marketing communication with customer through leaflets. Based on marketing research has been found that 71 % of respondents recieved leaflets at least once. Hervis Sports hardly work on improving of online communication and started to invest more money to this section. Results of marketing research show that people connect Hervis Sports with sport's goods and clothes. Keywords: marketing, communication, customer, strategy, e-shop
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Analýza nákupních podmínek na Třeboňsku / Analysis of the Buying Conditions at the Třeboň AreaKŘÍŽ, Karel January 2014 (has links)
The main aim is evaluation of the sale conditions and geographical position of the selling units in the Třeboň area.There are two main parts in the thesis. The first part of the literature review presents the theoretical part. The second part is practically oriented. It is a characteristic of the study area and geographic analysis. For completeness of information are conducted semi-structured interviews and questionnaires. In conclusion, guided discussion and the suggestion to solve certain problems concerning shopping for Trebon region.
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Zvyšování efektivnosi podniku pomocí inovačních aktivit / Increasing of Business Efficiency through Innovative ActivitiesKAŇKOVÁ, Martina January 2018 (has links)
The aim of this thesis is to describe the efficiency of the company and its increase through innovative techniques, together with the description of different types of innovations. In the next step, the analysis of innovative techniques in an enterprise is presented. Author of this thesis have chosen a company XY for my work this company´s management doesn´t want its name to be used in this work. While analysing the innovation activities of the company, author focused on the e-shop, which is a significant income activity of the company. The innovation in this case is of marketing type, there is a gradual development and expansion of the e-shop as a result, the company gets into the wider public consciousness. The result of the data analysis, costs of the internet store and the generated sales, is a significant growth in the volume of orders and more than doubling sales and profit over the reporting period. The benefit of this thesis is the evaluation of important business activities and the recommendation for its further develop-ment.
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Logistika v internetovém obchodě / Logistics in the Internet shopFEKETE, Daniel January 2009 (has links)
Subject of this thesis is analysis of logistic and distribution chain of Amway Corporation. Almost all around the world the company products are distributed through multilevel marketing, direct sales channel and e-shops. Detail analysis of production and product range is just highlighting exclusive position on the market. In addition different types and advantages of cooperation with Amway are analyzed in a detail, such as marketing plan, bonus calculation for distributors, etc. Competitiveness of products is underlined by price and product features comparative analysis. Main conclusions from practical part of thesis are for distributors is possibility to build up their own business and for advantages of using distributors.
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Moderní marketingové metody užité v C2C systémech internetového obchodu / Modern marketing methods used in C2C e-Commerce systemsPŮR, Radoslav January 2009 (has links)
The objective of my diploma thesis was to find out the right mixture and usage of realized and planned marketing methods and their expected impact on company business. The diploma thesis resulted in a compact summary of the company marketing effort as well as offered suggestions how to improve imperfections in given areas. For the particular analysis of the market competition I have created an overview of procedures and a selection of techniques usable for information aggregation necessary for current situation analyses of the project marketing. Diploma theses results in a compact summary of corporate situation from the marketing point of view in the chosen Salon Umeni project.
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Heuristics for flow shop scheduling : considering non-permutation schedules and a heterogeneous workforce / Heurísticas para escalonamento em flow shops : considerando escalonamentos não-permutacionais e trabalhadores heterogêneosBenavides Rojas, Alexander Javier January 2015 (has links)
O problema de escalonamento num flow shop (ou flow shop scheduling problem, FSSP) é um modelo de sistemas de produção muito comum que é bem estudado na literatura. No entanto, quase toda a literatura foca-se em escalonamentos permutacionais, desconsiderando soluções ótimas e quase ótimas que são escalonamentos não-permutacionais. Além disso, a prática comum padroniza os tempos de processamento de cada operação, mesmo que estes tempos variem dependendo das diferentes capacidades dos operadores das máquinas, cuja diversidade deve ser considerada no processo de escalonamento quando seja significativa, e.g., em centros de emprego para deficientes (CEDs). Nesta tese, propomos métodos para resolver o FSSP não-permutacional, usando o mesmo tempo e esforço que os métodos do estado da arte usam para o FSSP permutacional, e produzindo escalonamentos não-permutacionais com melhor qualidade do que escalonamentos permutacionais e não-permutacionais produzidos por métodos do estado da arte. Também propomos métodos para resolver o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num flow shop (ou heterogeneous workforce assignment and flow shop scheduling problem, Het-FSSP), produzindo soluções que compensam as diferentes capacidades e deficiências dos trabalhadores com pequenas perdas nos objetivos da produção. Além do mais, a designação de trabalhadores heterogêneos pode ser integrada em outros problemas de escalonamento, como fizemos com o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num job shop (ou heterogeneous workforce assignment and job shop scheduling problem, Het-JSSP). / The flow shop scheduling problem (or FSSP) is a very common model of production systems that is well studied in the literature. However, almost all the literature focuses on the permutation FSSP, disregarding optimal and near optimal solutions that are non-permutation schedules. Besides, common practice standardizes the processing times of each operation, even when those times may vary depending on different capabilities of the machine operators, whose diversity must be considered in the scheduling process when it is significant, e.g., in Sheltered Work centers for Disabled (SWDs). In this thesis, we propose methods to solve the non-permutation FSSP, using the same time and effort as state-of-the-art methods for the permutation FSSP, and producing non-permutation schedules with better quality than permutation and non-permutation schedules produced by state-of-the-art methods. We also propose methods to solve the combined heterogeneous workforce assignment and flow shop scheduling problem (or Het-FSSP), producing solutions that compensate the different capabilities and disabilities of the workers with minor or null losses in the productivity objectives. Moreover, the heterogeneous workforce assignment may be integrated into other shop scheduling models, as we did with the heterogeneous workforce assignment and job shop scheduling problem (or Het-JSSP) with similar results.
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Heuristics for flow shop scheduling : considering non-permutation schedules and a heterogeneous workforce / Heurísticas para escalonamento em flow shops : considerando escalonamentos não-permutacionais e trabalhadores heterogêneosBenavides Rojas, Alexander Javier January 2015 (has links)
O problema de escalonamento num flow shop (ou flow shop scheduling problem, FSSP) é um modelo de sistemas de produção muito comum que é bem estudado na literatura. No entanto, quase toda a literatura foca-se em escalonamentos permutacionais, desconsiderando soluções ótimas e quase ótimas que são escalonamentos não-permutacionais. Além disso, a prática comum padroniza os tempos de processamento de cada operação, mesmo que estes tempos variem dependendo das diferentes capacidades dos operadores das máquinas, cuja diversidade deve ser considerada no processo de escalonamento quando seja significativa, e.g., em centros de emprego para deficientes (CEDs). Nesta tese, propomos métodos para resolver o FSSP não-permutacional, usando o mesmo tempo e esforço que os métodos do estado da arte usam para o FSSP permutacional, e produzindo escalonamentos não-permutacionais com melhor qualidade do que escalonamentos permutacionais e não-permutacionais produzidos por métodos do estado da arte. Também propomos métodos para resolver o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num flow shop (ou heterogeneous workforce assignment and flow shop scheduling problem, Het-FSSP), produzindo soluções que compensam as diferentes capacidades e deficiências dos trabalhadores com pequenas perdas nos objetivos da produção. Além do mais, a designação de trabalhadores heterogêneos pode ser integrada em outros problemas de escalonamento, como fizemos com o problema combinado de designação de trabalhadores heterogêneos e escalonamento de tarefas num job shop (ou heterogeneous workforce assignment and job shop scheduling problem, Het-JSSP). / The flow shop scheduling problem (or FSSP) is a very common model of production systems that is well studied in the literature. However, almost all the literature focuses on the permutation FSSP, disregarding optimal and near optimal solutions that are non-permutation schedules. Besides, common practice standardizes the processing times of each operation, even when those times may vary depending on different capabilities of the machine operators, whose diversity must be considered in the scheduling process when it is significant, e.g., in Sheltered Work centers for Disabled (SWDs). In this thesis, we propose methods to solve the non-permutation FSSP, using the same time and effort as state-of-the-art methods for the permutation FSSP, and producing non-permutation schedules with better quality than permutation and non-permutation schedules produced by state-of-the-art methods. We also propose methods to solve the combined heterogeneous workforce assignment and flow shop scheduling problem (or Het-FSSP), producing solutions that compensate the different capabilities and disabilities of the workers with minor or null losses in the productivity objectives. Moreover, the heterogeneous workforce assignment may be integrated into other shop scheduling models, as we did with the heterogeneous workforce assignment and job shop scheduling problem (or Het-JSSP) with similar results.
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Social identity reconstruction through education : a program for older womenHodgins, Grace M. January 1991 (has links)
A substantial number of older women are adversely affected by mild to severe levels of depression. In this study the Social Health Outreach Program (SHOP), an educational intervention originally developed for middle-aged women, was modified and implemented with depressed and non-depressed older women. Through an educative process, participants learned ways to strengthen personal social networks as a means of augmenting social identity and overcoming depression. The purposes of the study were:
1) to measure the impact of SHOP on older women's levels of depression and demoralization, and on their social networks;
2) to determine factors either within or outside of SHOP that helped or hindered their progress during the program; and 3) to describe and analyze their experience of depression.
A total of 15 women, aged 58 to 76, participated in a 20 session version of SHOP over a ten week period. Measures of depression and demoralization were obtained before, after and three months following the program; social networks measures were also obtained at three month follow-up. Participants' perceptions about their experience of depression, and about program factors and other concurrent aspects of life that helped or hindered their progress during the program, were obtained in post-program interviews.
Outcomes validated SHOP'S approach and demonstrated that with slight modification the program is as effective with older women as it is with mid-life women. Participants who were
depressed at pre-test showed a significant decline in depression scores; on measures of demoralization, changes were in the direction expected, although non-significant. Participants reported significant gains to their social networks in terms of people and groups added. Content analysis of interview data yielded 205 helping incidents and 130 hindering incidents that occurred during the program period; from these, 20 categories of factors that advanced participants' progress during the program, and 19 categories of factors that impeded their progress, were determined.
This study supported the view that for many older women depression originates in their social environment. The findings validated SHOP'S educational program as a means of increasing social participation, re-constructing social identity and overcoming depression. / Education, Faculty of / Graduate
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Finanční analýza internetového obchodu / Financial analysis of an e-shopHanáček, Kamil January 2009 (has links)
The aim of this thesis is to create a complex financial analysis that will be useful for the decision making on the future and orientation of the company SEDNISI.CZ, s.r.o.. The theoretical part of the thesis first examines the characteristics of the furniture market and then deals with the analysis of internet use in the Czech Republic. Apart from the financial analysis itself which deals with standard ratio and syntetic indicators the thesis compares the results of the analysed company with results of the whole sector and of one of the competitors. The information gathered from the analysis of financial indicators is further used in the strategic analysis of the company that focuses on revealing the strengths and weaknesses of the company. Despite the fact that the financial and strategic analysis does not perfectly answer every question that is posed to the company it is undoubtedly very useful for evaluating the past developments, for finding problematic areas and for predicting the future of the company.
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