Dissertations / Theses on the topic 'Majority system'
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Sutherland, Neil John. "Regionalism, majority government and the electoral system in Canada : the case for two-seat constituencies." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28181.
Full textArts, Faculty of
Political Science, Department of
Graduate
Khan, Tareq Jamal. "Robust, fault-tolerant majority based key-value data store supporting multiple data consistency." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-42474.
Full textSaint, Sernin Jean de. "Système majoritaire et bicamérisme sous la Vème République (depuis 1981)." Thesis, Paris 2, 2017. http://www.theses.fr/2017PA020081/document.
Full textAt the time of the Fifth Republic, the second chamber was devised by the framers of the Constitution as a predisposed support to the Government and the newly-established regime, given the uncertainty of a parliamentary majority within the National Assembly. The unexpected arrival of such a majority led to a closer organic and functional relationship between the National Assembly and the Government. The frequent lack of harmony between parliamentary majorities then put the Senate and the bicameral system in a delicate institutional position. Having become an established right of the political system, majority rule has clearly been observed since the 1981 power changeover, both inside either chamber and between them. It also affects their organisation, the way they operate and exercise their constitutional prerogatives. However, the different majority configurations show a certain specificity of the Senate from the majority rule point of view and in the actual and non-oriented exercise of its parliamentary function in relation with the other chamber, and its distancingfrom the Government reveals the well-balanced nature of the Fifth Republic's bicameralism. As that majority became institutionalised, and because of its specificities in ether chamber, constitutional law and parliamentary law were led not to exclude non-normative occurences in order to gain an understanding of the way political institutions actually work
Chen, Cheng. "A General System for Supervised Biomedical Image Segmentation." Research Showcase @ CMU, 2013. http://repository.cmu.edu/dissertations/214.
Full textFreitas, Andréa Marcondes de. "O presidencialismo da coalizão." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/8/8131/tde-08112013-102939/.
Full textThis work seeks to understand the coalitions that support the Executive Power in Brazil, focusing the legislative process, which means, focusing how the laws are produced inside the Legislative Power. The assumption is that forming coalitions implies sharing power and responsibilities over the broad set of policies. In other words, it implies that the parties composing the coalition participate and influence the results of the decisionmaking process. By analyzing the legislative process, the aim is to identify the terms of the parties agreement concerning policies. The emphasis is on the bills introduced and vetoed by the Executive, assuming that they reveal this agreement.
Groenewald, Petrus Johannes. "Die Suid-Afrikaanse nasionale kiesstelsel :|b'n kritiese ontleding en alternatiewe / P.J. Groenewald." Thesis, North-West University, 2013. http://hdl.handle.net/10394/9662.
Full textThesis (PhD (Political Studies))--North-West University, Potchefstroom Campus, 2013.
Chai, Vincent. "La Chambre des députés de 1846-1848. Réflexion sur la formation de la majorité Guizot." Thesis, Paris 4, 2012. http://www.theses.fr/2012PA040161.
Full textThe political explanations for the downfall of the July monarchy require re-examination. Relying on testimonies from the politicians who battled against it, historiography gives preference to the king’s refusal of parliamentary and electoral reform, a refusal that was backed by the ministerial cabinet under the direction of Guizot and the Chamber of deputies. The Charter of 1830 laid the foundations of a regime with a place for the king, and where the government had to solicit the assistance and cooperation of the assemblies. In these conditions, in order to conduct its policies, the executive branch had to first obtain the consent of the assemblies. The refusal of reform is thus attributed to the government’s winning the parliamentary majority by dubious means (corruption, rigged elections, and putting deputies under pressure of all sorts) and the immense presence of bureaucrats who were assumed obedient and docile. Was this really the case? The monarchy’s last Chamber of deputies, elected in 1846, reached an incontestable ministerial victory, due more to the effects of censitary suffrage than rigging. The behavior of this majority over the short course of this term of office actually reveals that the cabinet was more concerned with dissent from within than it was with trying to lead and dominate it. By this one is led to wonder if Guizot, far from imposing his point of view on ministerial deputies, wasn’t actually the spokesperson for their conservative aspirations
Ogou, Dogba Blaise. "Les évolutions de la règle électorale dans les systèmes politiques transitionnels : les élections législatives en Europe du Sud-Est (1989-2009)." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0019/document.
Full textThe central subject of this thesis concerns the developments of the electoral rule in postcommunistregimes and discusses the contribution of these changes to the democratization ofpolitical systems of Southeast Europe, from a sample of states (Albania, Bulgaria, Macedonia,Romania and Serbia-Montenegro). Democratic transition and regime change involves theconstruction of a new political legitimacy. This legitimacy is through elections that are at theheart of democracy. This work seeks to understand how the rules are chosen these elections.The choice of electoral system is, to a large extent, the result of several processes. The focus onthe determinants of adoption and electoral reform to understanding the motivations and goalsof the developments of the electoral rule in post-communist Europe. The study of the reformedlegislation and behavior analysis of electoral allow players to see that the political leaders haveoften bypassed the democratic sense of the electoral standard. In this sample of countries,changes in the electoral rule had consequences on the number of political parties represented inParliament. Regime change has favored the alternation of parliamentary and electoralmajorities. This alternation shows that the democratic principles of elections contribute to thedemocratic stabilization, even if the context and the political stakes in this region favor a relativeinstability of parliamentary and government majority
Santos, Rafael Freitas dos. "Poder de agenda e participação legislativa no presidencialismo de coalizão brasileiro." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/8/8131/tde-31052011-155033/.
Full textThis dissertation intends to debate the current interpretations about the activities of the Brazilian Legislative houses. Focusing on law production, the proposal is to observe the ways in which the conflicts of interest inherent to multiparty governments (and majorities) are institutionally resolved. The main contribution is to bring new elements to the discussion about how the Executive build and, particularly, maintain legislative majorities that enable the effectiveness of the government. Without denying the importance of institutions and internal rules in the legislative process, the argumentation is that the maintenance of the government coalition, and thus, the governability, is also sustain in substantive premises, through positive participation of the Legislative in the conformation of the policies that are approved. The perimeter is from 1988, after the new Constitution promulgation, to 2009. As will be seen throughout the work, despite the dominant logic of concentration of powers, there is a process of constant negotiation between the Powers around the objective elaboration of the laws content. To reach this point, it was initially approached the topics of government agenda and Executive domain, emphasizing the changes made and approved by the Legislative in the proposal introduced by the Executive in the Congress. After that, its investigated in which legislative instances (committees or the floor) the Legislatives participation mainly occurs, in investigation that shows that the committees are the main channel of positive manifestation on those bills. Finally, the focus turn to the authorship of the alterations, in an intent to show who is participating, what leads the discussion to the terms of government coalitions and legislative majority and minority.
Cortez, Rafael de Paula Santos. "Eleições majoritárias e entrada estratégica no sistema partidário-eleitoral brasileiro (1990-2006)." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/8/8131/tde-23112009-161517/.
Full textThe brazilian electoral-party system is considered one of the most fragmented in the world. That diagnosis is based on the pattern of competition in proportional elections. The purpose of this thesis is to study the brazilian party system from the perspective of executive elections from 1989 to 2006. This thesis focuses on understanding the dynamics of political competition in these disputes from the strategic action of the party elites. Our central aim is to contribute to the understanding of the mechanisms that ensured the dominance of PT and PSDB in the presidential elections since 1994. This thesis seeks to demonstrate also the existence of stability of political divisions if the states are taken individually. The starting point of this work is that the executive elections are the most important for both political elites and voters. Political parties rank the different types of competition. The argument of this paper is that the central mechanism which ensured the stability of the PT-PSDB cleavage was the articulation of national contest through the elections to the government of the state. These two parties were able to reproduce the various disputes in the states. The empirical evidence used in the analysis is the frequency of the launch of applications of the nine major parties in the executive elections. The cost of entering the elections majority takes the creation of separate markets within the electoral party system in Brazil. The high costs of low executive elections make this market highly concentrated. Thus, the pattern of the executive elections is not only according to the institutionalist literature, but also shows stability in the identity of competitors both in the presidential elections and, to a lesser extent, in elections to the states governments.
Hamilton, D. D. "Majority problems in distributed systems and clustering in structured graphs." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3008152/.
Full textKarolina, Lendak-Kabok. "Status of Women from National Minorities in the Serbian Higher Education System – Focus on Women from the Hungarian National Minority." Phd thesis, Univerzitet u Novom Sadu, Asocijacija centara za interdisciplinarne i multidisciplinarne studije i istraživanja, 2019. https://www.cris.uns.ac.rs/record.jsf?recordId=110674&source=NDLTD&language=en.
Full textPrimarni cilj istraživanja je identifikacija i i analiza preprekau sistemu visokog obrazovanja tokom studiranja i izgradnjekarijere u akademskoj zajednici žena iz nacionalnih zajednicasa posebnim osvrtom na žene iz mađarske nacionalnezajednice. Sekundarni cilj je analiza nesvesne i svesne rodnepristrasnosti prema ženama etničkih manjina u toku izgradnjeakademske karijere i pri dosezanju visokih pozicija unutarakademije. Tercijarni cilj istraživanja je podizanje svesti otome, kako je potražnja za ljudskim resursima na tržištu radau oblasti tehničkih nauka značajna i da je stoga potrebnousmeriti veći broj žena ka tim oblastima. Istraživanje jesprovedeno pomoću 2192 popunjena upitnika i 45 polustrukturiranaintervjua. Istraživanjem je utvrđeno da jezik,koji je u intersekciji sa rodom, nacionalnošću i klasom,rezultira novim konceptom nejednakosti. Takođe je dokazanoda su žene nedovoljno zastupljene u tehničkim oblastima, štoje najvećim delom moguće pripisati rodnim stereotipima.Konačno, utvrđeno je da su žene manje motivisane dadosegnu visoke pozicije od muškaraca u sistemu visokogškolstva. Autorka predlaže skup mera za rešavanje i/iliublažavanje identifikovanih izazova, npr. dekonstrukcijarodnih stereotipa pomoću unapređenih nastavnih materijala uosnovnim i srednjim školama, prilađen program učenjasrpskog jezika za učenike iz etničkih manjina sa ciljemizbegavanja jezičke barijere na početku studija; odnosnoosnivanje centra za istraživanje statusa i izazova zajednicaetničkih manjina.
Озірковський, Леонід Деонісійович. "Розвиток теоретичних засад для оцінювання показників функціональної безпечності радіоелектронних систем відповідального призначення." Diss., Національний університет "Львівська політехніка", 2020. https://ena.lpnu.ua/handle/ntb/55398.
Full textPanepinto, Alice Martina. "Relocating transitional justice from international law to Muslim-majority legal systems : concepts, approaches and ways forward." Thesis, Durham University, 2015. http://etheses.dur.ac.uk/11109/.
Full textBäckström, Mattias, and Måns Helldin. "Är äldreomsorgen möjlig att påverka vid valurnan? : En studie om den politiska majoritetens effekt på kostnaden för och kvaliteten inom äldreomsorgen i svenska kommuner." Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-435038.
Full textEsmaeilpour, Fadakar Shahin. "Majority-Preferential Two-Round Electoral Formula: A Balanced Value-Driven Model for Canada." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31025.
Full textDuarte, Inês Morgado. "A instabilidade do sistema fiscal português." Master's thesis, Instituto Superior de Economia e Gestão, 2015. http://hdl.handle.net/10400.5/10381.
Full textEste trabalho tem como principal objetivo avaliar a instabilidade do sistema fiscal português. Foram observados 492 diplomas que alteraram os impostos: IRS,IRC,IVA,RITI, IS,IMI,IMT,CA,EBF. Esses diplomas continham 3178 alterações aos impostos referidos anteriormente. Com esses impostos foi feita uma análise às variáveis: ano de eleições, tipo de governo, governos de coligação e governos de maioria, de modo a verificar-se o impacto das variáveis no tipo de política praticada. A análise foi realizada de três maneiras distintas: OLS com o número de diplomas alterados por ano, OLS com o número de artigos alterados por ano e Poisson com número de artigos alterados por mês. Com este estudo concluiu-se que, apesar de terem existido mais governos de PSD, que são os governos de PS que mais alteram as finanças públicas em Portugal. O ano de eleições não tem impacto significativo uma vez que apresentam menor número de alterações face aos restantes anos. Tanto os governos de coligação como os de maioria levam a um maior número de alterações e de diplomas alterados.
The main goal of this work is to assess the instability of the Portuguese tax system. In the present study, 492 statutes which modified taxes have been analyzed: VAT, corporate tax, income tax, real estate tax. The said statutes gave rise to 3178 changes to these taxes. The following variables have been analyzed: election year, sort of government, coalition government, majority government; with the purpose of establishing their impact on the policy committed form. The analysis was carried out in three different ways: OLS with the number of statutes changed by year, OLS with the number of articles changed per year and Poisson with the number of articles changed per month. From this study, the following patterns derive: although there have been more PSD governments, PS governments seem to provide more changes across Portugal's finances; moreover, election years seem to display no significant impact, since they present small changes in comparison to non-election years; finally, both coalition and majority governments change more statutes and, thus, more articles per year.
Řezníček, Michal. "Termodynamické senzory na principu bilanční rovnováhy." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233636.
Full textFauconnier, Clémentine. "Organisation partisane et exercice du pouvoir dans la Russie de Poutine : les paradoxes de la fabrication de Russie Unie (2001-2012)." Thesis, Paris, Institut d'études politiques, 2015. http://www.theses.fr/2015IEPP0019.
Full textThis thesis aims to examine the issues and modalities of building a political majority in Russia from the 2000s, after a decade marked by the weakness of the Central Executive and party system fragmentation. Created in 2001 to support Vladimir Putin, the situation of the political party United Russia in the political landscape may seem paradoxical. Dominant at all levels of power since 2003, it still remains a tool in the hands of leaders of the Executive, without any real autonomy or influence. United Russia, including officially 2 million members, is not rooted in Russian society and has very few militants. The analysis of the tension between the dynamics of the party’s institutionalization and, at the same time, its maintaining under control of the State appears as a privileged entry point for analyzing, in a comparative perspective, the production of mechanisms of subjections of Russian elected officials. This implies to study the establishment of United Russia and its concrete functioning, the practices of the actors involved in these activities and the meaning they give to these practices. Thus this approach suggests to show how the study of this specific process of party construction is likely to feed a more general and comparative reflection on how the dynamics of differentiation or reconciliation between parties and the State contribute to produce various forms of political investments. For this purpose, studying the party as an institution as well as the comparative historical sociology can show the tensions created by the process of differentiation under the control of United Russia and also how it supports the establishment of new domination mechanisms
Kyranoudi, Dimitra. "Le gouvernement parlementaire et la fonction présidentielle en Grèce et en Irlande." Thesis, Paris 2, 2016. http://www.theses.fr/2016PA020073.
Full textThe present thesis proposes an analysis on comparative basis of the legal and political articulations that take place between the system of the responsible government and the presidential function in these two parliamentary democracies, not thoroughly studied in France. The aim of this research is a contribution to the general theory and practice of the political systems in modern Europe, stressing out aspects of an important constitutional topic for parliamentary republics which is still relatively neglected. Although the supremacy of the majoritarian government is not put into question, it can be still claimed that within the republican political systems, certain dualist implications, that remained for long inactive, tend to be reactivated again in some countries by recent events. In other words, the presidential function that seemed to be condemned to an inescapable neutralisation within the systems dominated by the political figure of the Prime minister tends to find once again a reason of being, if not governmental, at least central. Beyond their initial structural, cultural and political differences, the Greek Constitution of 1975 (revised significantly in 1986) and the Irish Constitution of 1937 offer two fruitful examples of the constitutional dynamics that could test the above-mentioned assumption
Sarmiento, Miguel Angel. "La fórmula de tratamiento usted como marcador étnico del habla : Sus correlaciones con algunos factores de la tríada ecológica en contexto de etnias en contacto." Doctoral thesis, Stockholms universitet, Institutionen för spanska, portugisiska och latinamerikastudier, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1394.
Full textYu, Chong-Shou, and 余宗修. "A Highly Robust Watermarking System Based on Majority Voting Criteria." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/87528042836932764059.
Full text國立成功大學
電機工程學系
88
In this Thesis, a new watermark system that is based on the discrete cosine transformation is proposed. Traditional watermark systems lose its hidden copyright information easily after serious attacks. The proposed algorithm provides a new method that embeds multiple copyright information into the middle band as invisible watermark. During watermark detection, the majority voting is adopted to extract the embedded information. To accommodate the characteristics of different images, the proposed algorithm uses adaptive watermark strength factor to strike a good balance between robustness and perceptual invisibility. Furthermore, the proposed algorithm can prevent the infirmity that traditional watermark systems suffer seriously: the security would weaken because of the publication of watermark infrastructure. The experimental results show that the proposed technique can preserve a higher image quality and withstand various common image operation attacks. Especially, it can withstand JPEG lossy compression under 1:18 or higher compression ratio. Most of the copyright information may survive under cropping attack and some basic affine transformations.
Nichols, Curtis William. "The governing cycle and the dynamics of new majority formation." 2009. http://hdl.handle.net/2152/19803.
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Shen, Li-Sih, and 沈里斯. "Enhancement of the Reliability of an Embedded Surveillance System by Multiple Sensors Using a Majority Voting Mechanism." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/26216631695377127701.
Full text輔仁大學
電子工程學系
97
In this paper our design integrates multiple sensors to construct a sensor group and count their states by using a majority voting mechanism (MVM). This method is helpful in decreasing the miss rate of a surveillance system because the majority compensates for sensing errors and thus enhances the reliability of a surveillance system in the monitoring area. To cover a large sensing area, we use multiple sensor groups which have a majority voting mechanism and are able to help each other. If over half the sensors in a sensor group sense a temperature change, the majority voting circuit sends a trigger signal to the surveillance system. The result of the statistics decides whether the embedded surveillance system is to be triggered which then records the images of an intruder in an efficient way. Our design uploads images or videos to Web pages in real time and allows the user to monitor the area through the Internet. We also research into the characteristics of PIR, and to design the ultrasonic sensors to complement the PIR sensors. We construct a more complete sensor network by complex sensor groups, and more reliable external sensor circuits.
Jun-Rung, Hwang, and 黃俊榮. "The study on the necessity and the feasibility to establish the self-determinant majority custody system in R.O.C." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/01476936854491799271.
Full text東吳大學
法律學系
102
The right of self-determination is one of the basic principles of the Civil Code of Republic of China. At right now, there is legal guardianship in the adult guardianship system only. A person who has become subject to the order of the commencement of guardianship has no capacity to perform any juristic act. It might injure human right in some of cases. The adult guardianship system should provide another option for the people who have the intention of lacking capacity in the future. The principle should have chance to determine his/her living style, the ways of health care, and property management in future by making an authorization contract of agency. This study will focus on the necessity and the feasibility to establish the self-determinant majority custody system in our country. The thesis consists of 5 chapters. In the first one, it is an introduction, includes the sections of background and objectives, the methods of study and the organization of thesis. In the second, there are discussions to declare the existing systems did not fit the full requirements of the people who might lack capacity to make decision in the future due to the mental issues. In the third chapter, introduces the similar operations of the self-determinant majority custody system in the other countries, and prove the self-determinant majority custody system is feasible and workable. In the fourth chapter, there are critiques for the recommendations within the conclusion of the study report which was commissioned by the Ministry of Justice in 2011. Finally, the last chapter is the conclusion of the study. It is necessary to establish a proper self-determinant majority custody system. The feasibility had been well proved by the operations in other countries. The government should kick off to build it up as soon as possible under the proper and conscientious considerations.
Lin, Chun-Hsien, and 林均憲. "A Dynamic Weighted Majority Algorithm based on Dynamic-Data-Driven-Application-System based–a Case Study of Concept Drift." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/vger62.
Full text國立交通大學
資訊管理研究所
102
In a dynamic environment, data are changed almost instantly. It is difficult and time-consuming to find the correlations between data. At the same time, concept drift might happen along with data change in the dynamic environment. In order to stimulate the highly correlated data to support better prediction and detect concept drift, this thesis proposes a dynamic weighted majority (DWM) algorithm based on distributed dynamic data-driven Application system (DDDAS) to solve the issue. The proposed algorithm tries to find the correlations between data by DWM. Moreover, it is capable of detecting concept drift. Both simulation data and real world (HAITAUNG typhoon) data are used to validate the proposed algorithm. The result show the proposed has up to 89% accuracy in simulation case and have 90% accuracy in real world case.
Yang, Hui-Nien, and 楊惠年. "A Study for the Direction of Self-determinant Majority Custody System in Taiwan from Germany,Japan and United Kingdom Law." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/76639227088437070207.
Full text國立臺灣海洋大學
海洋法律研究所
104
ABSTRACT When human longevity is normally observed in modernized societies in the past, people tend to attribute it to the well-practice in medicine as well as social welfare provided by the societies. A better adult guardianship systems is more and more important. The right of self‐determination is one of the basic principle of the Civil Code in all over the world . However , so far in Taiwan there is legal guardianship in our adult guardianship system only. Compare to other modernized countries, which established voluntary guardianship system already, comply with the principle of the right of self‐determination. Therefore the evolution of Taiwan’s guardianship system is keen to keep up with the path of those modernized countries. It is appropriate to update our system with measures which are suitable for our society and culture need. This study compare and analyze the current adult guardianship system in Taiwan with similar ones in Germany, Japan and also in the United Kingdom. The goal of this study is to make suggestions in law making, by invesgating the necessity and to establish the self-determinant majority custody system in our country, for the purpose of protecting, assisting, and respecting adult wishes and feelings. Keywords: adult guardianship system , self-determinant majority custody system , legal guardianship, the right of self‐determination
Fučík, Michal. "Diskuse o změnách volebního systému do Senátu ČR." Master's thesis, 2020. http://www.nusl.cz/ntk/nusl-435046.
Full textŠurda, Malcová Karolína. "Analýza voleb a volebního chování do Senátu Parlamentu České republiky." Doctoral thesis, 2013. http://www.nusl.cz/ntk/nusl-326703.
Full textSeedhom, Yousif Faig. "Updating weights of processes for weighted majority decisions in distributed systems." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4561.
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Ζούλιας, Εμμανουήλ. "Σχεδιασμός ανάπτυξη και εφαρμογή συστήματος υποστήριξης της διάγνωσης επιχρισμάτων θυρεοειδούς δεδομένων βιοψίας με λεπτή βελόνη FNA με χρήση εξελιγμένων μεθόδων εξόρυξης δεδομένων." Thesis, 2012. http://hdl.handle.net/10889/5450.
Full textThe Aim of present thesis is the development of an integrated system for supporting diagnosis (Decision Support System - DSS) using for categorizing FNA biopsy smears. Two categories were selected for the FNA smears: malignant and nonmalignant. The system is constituted by the following stages of 1) data collection, 2) data selection 3) choice of suitable clinical and cytological features, 4) application of data mining method for the categorization of FNA biopsy smears. Furthermore a fundamental objective of the doctoral thesis was the improvement of suspect smears (suspicious) categorization, for the latter FNA Biopsy has a known restriction. The system had been trained and checked in relation to the sample that histologic evaluation existed (ground truth). For smears that characterized as nonmalignant by FNA and histological data we’re not available, complementary clinical, laboratory and imaging evaluations took into account in order to create the sample. Τhe smears that were available in this thesis, were collected from FNA biopsies in Pathologoanatomy Laboratory, A’ Pathology Department, Medical School of Athens University. Given that the above referred laboratory is a reference center, an important number of FNA smears were sent to it from other laboratories for cross check. The examination files were sorted in chronological order, but there were in paper forms. The requirements for the formation and the design of database system were collected. Based on the material of the diagnosis an improved system was designed and developed for data initialization and coding. The database was developed based on the design and analysis of requirements; in this database data were stored for further investigation. Analysis of the graphical user interface design was performed in parallel to the database design. Taking into account that the system might be used after the completion of thesis, the graphical user interface was designed in order to be user friendly and flexible environment. According to the methodological approach that was followed, the various cytological characteristic of 9102 FNA smears aspired among 2000-2004 was analyzed statistically. The cytological reports cross correlated with histological diagnoses, aiming to calculate the effect or contribution of each cytological characteristic to a false or true cytological diagnosis and to find the possible sources of erroneous diagnosis. The smears that have blood or a few follicular cells without colloid were characterized as insufficient for further diagnosis. The aspiration was performed either in Α’ department of Athens University (most of the cases with palpable nodules) or elsewhere (mainly under guidance of the reference center). The acquired smears being send to the reference center from various hospitals with different protocols concerning criteria to perform a thyroid FNA. Histological reports were available for 266 patients. The small number of histological verifications was due to the heterogeneity and the lack of patients files. For evaluating of data, descriptive statistic values were used like mean, standard deviation, percentage, maximum and minimum. In addition to that χ2 tests of significance were performed in order to check possible correlation or independence. For correlating cytological and histological diagnosis and evaluating laboratory findings, apart from the descriptive statistic parameters also calculated sensitivity, specificity, total accuracy, negative predictive value and positive predictive value. Method of statistical significance in the level of 5% (p < 0,05) was applied in order to specify if a disease was correlated to a cytological parameter. Those checks were performed for each disease category in correlation to any cytological parameter. Statistical analysis divided the smears into nonmalignant, malignant, neoplasms, suspicious for malignancy and borderline. A diagnosis support system was implemented using data mining methods. The system is consisted of four stages. The First stage of the system is the Data Collection environment, which stores the data to the database. The Second stage of this system concerns the Selection of Data. User requirements concluded that 111 characteristics are needed to describe each patient (record). Most of them have binary values, presenting existence and not existence, other have alphanumeric and number values. Among them 60 were selected and 7 more are produced from grouping other characteristics. The final analysis reveals that 67 characteristics of the smears are capable for describing the structure of smears in general. The Third stage of system concerns the Selection of Best Characteristics. Due to the high number of attributes (67 per case), it was essential to eliminate the characteristics that are connected linearly or do not bring diagnostics information. The choice of characteristics applied before the classification, having the aim of discovering a subset of characteristics that optimizes the process of classification. The technique of Sequential Float Forward Search (SFFS) was applied. The number of patients that used was 2,036 (1886 non malignancies and 150 malignancies). Among them all malignancies were histologically confirmed. In addition to that 140 no malignancies were histologically confirmed in correlation to evaluation of clinics, laboratorial and medical image actions (ultrasounds etc.). Among 2.036 smears the 25% used for characteristics selection, 37 smears of Malignant and smears of Non Malignant. The Sequential Float Forward Search (SFFS) Technique, choose the best 12 elements that they reveal high performance to FNA data categorization. The Fourth stage is the Application of Classification using Data Mining Methods or in other words data mining method. For this aim a set of reliable, well confirmed but also modern methods applied. In addition to that the system was trained and was checked using the sample with histological verifications (ground truth). The independent application of four reliable methods, Decision Trees, Artificial Neural Network, Support Vector Machine, and k-NN, resulting to comparable outcomes concerning those of FNA. However, further improvement was achieved with the application of Majority (Majority Vote - CMV) using of previous results of three algorithms Artificial Neural Network, Support Vector Machine, and k-NN. The modified Artificial Immune System (AIS) was applied for first time. AIS presents particularly improved results for the categorization of smears, which are characterised “suspicious” by the experts and is a known weakness of FNA method. These cases constitute a very difficult part for the discrimination among non-malignant and malignant, even for a specialist. Since all these cases are faced clinically using FNA as malignancies, the application of an improved algorithmic method improves accordingly the management of these cases by decreasing the number of useless surgical thyroid operations.
Li, Kuan-Hsun, and 李冠勳. "The development of an e-learning & evaluation system for students majoring in electronics." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/61321424328325699871.
Full text國立高雄應用科技大學
電子工程系碩士班
101
This research designed a set of interactive digital teaching platform for vocational high school students. To enahnce students’ participation in the digital teaching platform, the research designed an APP of the Android system platform, which can be accessible to the teaching platform through mobile devices to do interactive learning. The content of the teaching platform was based on professional curriculum, constructing interactive webpages with ASP and enabling students to do professional curricular e-learning. With the increasing popularity of smart phone devices, more and more students use smart phones and mobile devices. This research took adrangage of the openness of the Android system and the publicity of software development environment to develop an APP connecting with the teaching platform. Students can do m-learning with smart hand-held devices to raise their learning interest and motivation. Through the teaching platform, they choose chapters of the courses, study with teachers’ teaching schedule, and understand the professional curriculum more easily. This resarch conducted teaching experiments on students in traditional classroom learning, digitial learning, and blended learning, respectively. The result discussed the differences and effectivenss of the three teaching strategies.
Iushchenko, Igor Sergiiovych. "PROTECTING MINORITY SHAREHOLDERS IN CIVIL AND COMMON LAW SYSTEMS: CANADIAN, UKRAINIAN AND GERMAN EXAMPLES." Thesis, 2012. http://hdl.handle.net/10222/15336.
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