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- Waltman, Max
(författare)
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성구매 금지와 인신매매 척결 : 스웨덴의 성매매 관련법
- 2012
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Ingår i: Women's Human Rights [South Korea]. - : Women's Human Rights Commission of Korea (WHRCK). - 2093-5714. ; 7, s. 88-122
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Tidskriftsartikel (refereegranskat)abstract
- The Swedish prostitution law from 1999, now followed by Norway and Iceland, criminalized the purchaser and decriminalized the prostituted person. This is analyzed as a cogent state response under international trafficking law, particularly to the obligations set forth in the United Nation’s Trafficking Protocol from 2000. The Protocol states that a person is regarded a trafficking victim when, e.g., someone abuses her “position of vulnerability” in order to exploit her. International jurisprudence and social evidence strongly suggest that prostitution, as practiced in the world, usually satisfies this definition. Further, the Protocol urges states to reduce the demand for prostitution and to protect and assist victims, for instance by adopting laws deterring purchasers of sex, and by supporting those exploited in prostitution. Policy makers, such as the U.S. Department of State, are criticized for taking an inadequate position in face of the growing evidence from the Swedish law's impact.The article shows that Sweden has significantly reduced the occurrence of trafficking in Sweden compared to neighboring countries. It also scrutinizes some misinformation of the law's impact, showing for instance that claims alleging a more dangerous situation for those still in prostitution after 1999 were unfounded. In addition, the article addresses remaining obstacles to the law's effective implementation, arguing that in order to realize the law's full potential to support escape from trafficking, the civil rights of prostituted persons under current law should be strengthened to enable them to claim damages directly from the purchasers for the harm to which they have contributed, and for the violation of the prostituted persons' equality and dignity - a position now recognized by the government to some extent by clarifying amendments made in 2011.
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- Baek, Seung Ki, 1979-, et al.
(författare)
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Numerical Study of Game Theory
- 2010
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Ingår i: New Physics. - Seoul : The Korean Physical Society. - 0374-4914. ; 60:9, s. 943-951
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Game-theoretic approach has been providing a powerful tool in qualitative understanding of macroscopic social phenomena in social sciences, e.g., in economics and political science. Recently, researchers in physics, especially in statistical physics, use these game-theoretic approaches but in more quantitative way and have been producing a variety of interesting results in the new research area called ’sociophysics’ by studying human society as a complex system. This work introduces recent works that have tackled combinatorial complexities arising in game-theoretic studies with the aid of simplified assumptions and numerical computations. We first show how cooperation emerges in the prisoner’s dilemma game when each player’s memory capacity is enhanced and suggest that the intelligent tit-for-tat strategy plays a crucial role in the history of cooperation. And then it is numerically shown that there is a certain case of simultaneous coordination among many players where the system has a high risk of failure when everyone is willing to follow the coordination, which is actually higher than when some are not concerned about it. Lastly, we discuss mathematical treatment of an equilibrium solution for a reverse auction game, which is a variant of the minority game, and its computational approach.
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- Choi, Hyun-Ju
(författare)
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Image analysis for quantifying microvessel density in renal cell carcinoma
- 2009
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Ingår i: Journal of Korea Society of Medical Informatics. - : The Korean Society of Medical Informatics. - 1225-8903. ; 15:2, s. 217-225
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Tidskriftsartikel (refereegranskat)abstract
- The most widely used method for quantifying new blood vessel growth in tumor angiogenesis is the determination of microvessel density, which is reported to be associated with tumor progression and metastasis, and a prognostic indicator of patient outcome. In this study, we propose a method for the determination of microvessel density by image analysis, to improve the accuracy and the objectivity of determination of the microvessel density. Four-micron-thick tissue sections of renal cell carcinoma samples were stained immunohistochemically for CD34. The regions with a high degree of vascularization were selected by an expert for digitization. Each image was digitized as a 24-bits/pixel image file with a resolution of 640×480 pixels. First, segmentation of the microvessels based on pixel classification using color features in hybrid color space was performed. After use of a correction process for microvessels with discontinuities and separation of touching microvessels, we counted the number of microvessels for the microvessel density measurement. The result was evaluated by comparison with manual quantification of the same images. The comparison revealed that our computerized microvessel quantification was highly correlated with manual counting by a pathologist. The results indicate that our method is better than the conventional computerized image analysis methods.
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