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Juvenile Probation in the United States : Current Practices and How It Can Be Improved
Ira M. Schwartz,Peter Jones,David Schwartz. 한국보호관찰학회 2009 보호관찰 Vol.9 No.2
소년사법에 신경회로망을 이용한 선구적 연구는 미국에서 진행되었는데, 우리는 신경회로망 기술이 다른 나라에서도 적용되면 미국의 경우만큼의 성과가 있을지 궁금하다. 한국에서도 그러한 성과가 있을지 살펴보는 것은 흥미로운 일이 아닐 수 없다. 나의 동료들과 나는 그 가능성에 대해 낙관적이며 체계적 방법으로 조심스레 가능성을 타진하는 것이 중요하다고 생각한다. 그러므로 우리는 한국의 보호관찰 관계자들이 우리와 유사한 연구의 진행을 고려해볼 것을 권하고자 한다. 의미 있는 결과를 산출하기 위해 종종 수년이 소요되는 전통적인 기존의 연구방법과 달리, 신경회로망을 활용한 연구는 비교적 저렴한 수행비용이 들며, 1년 이내에 완료 할 수 있는 장점이 있다. 신경회로망 기반 모델을 형성할 만큼 의 충분한 데이터가 필요할 뿐이며, 모델 형성 후 현장에서 검증 절차를 거치고 기존의 도구와 비교하면 일단락된다. 또한 이와 같은 연구를 수행하기 위해 새로운 데이터를 수집할 필요가 없다. 예를 들어, 미국에서 신경회로망을 이용하였던 연구는 소년사법과 사회복지 기관에서 일상적으로 수집되는 자료를 활용하여 수행되었으므로 새로운 데이터를 수집하거나 기존의 자료 축적체계를 수정할 필요가 없었다. 한국 소년사법 자료와 그 수집과정에 대해 아는 바가 없으나, 이미 수집된 자료만으로도 이연구가 수행될 수 있을 것으로 생각한다.
Quantitative Definitions of Collaborative Research Fields in Science and Engineering
Schwartz, Mathew,Park, Kwisun,Lee, Sung-Jong Asian Society for Innovation and Policy 2016 Asian Journal of Innovation and Policy Vol.5 No.3
Practical methodology for categorizing collaborative disciplines or research in a quantitative manner is presented by developing a Correlation Matrix of Major Disciplines (CMMD) using bibliometric data collected between 2009 and 2014. First, 21 major disciplines in science and engineering are defined based on journal publication frequency. Second, major disciplines using a comparing discipline correlation matrix is created and correlation score using CMMD is calculated based on an analyzer function that is given to the matrix elements. Third, a correlation between the major disciplines and 14 research fields using CMMD is calculated for validation. Collaborative researches are classified into three groups by partially accepting the definition of pluri-discipline from peer review manual, European Science Foundation, inner-discipline, inter-discipline and cross-discipline. Applying simple categorization criteria identifies three groups of collaborative research and also those results can be visualized. Overall, the proposed methodology supports the categorization for each research field.
Schwartz, Pierre-Olivier,Biniek, Laure,Zaborova, Elena,Heinrich, Benoî,t,Brinkmann, Martin,Leclerc, Nicolas,Mé,ry, Sté,phane American Chemical Society 2014 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.136 No.16
<P>Perylenediimide-based donor–acceptor co-oligomers are particularly attractive in plastic electronics because of their unique electro-active properties that can be tuned by proper chemical engineering. Herein, a new class of co-oligomers has been synthesized with a dyad structure (AD) or a triad structure (DAD and ADA) in order to understand the correlations between the co-oligomer molecular architecture and the structures formed by self-assembly in thin films. The acceptor block A is a perylene tetracarboxyl diimide (PDI), whereas the donor block D is made of a combination of thiophene, fluorene, and 2,1,3-benzothiadiazole derivatives. D and A blocks are linked by a short and flexible ethylene spacer to ease self-assembling in thin films. Structural studies using small and wide X-ray diffraction and transmission electron microscopy demonstrate that AD and ADA lamellae are made of a double layer of co-oligomers with overlapping and strongly π-stacked PDI units because the sectional area of the PDI is about half that of the donor block. These structural models allow rationalizing the absence of organization for the DAD co-oligomer and therefore to draw general rules for the design of PDI-based dyads and triads with proper self-assembling properties of use in organic electronics.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2014/jacsat.2014.136.issue-16/ja4129108/production/images/medium/ja-2013-129108_0012.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja4129108'>ACS Electronic Supporting Info</A></P>
Deep Borehole Disposal of Nuclear Wastes: Opportunities and Challenges
Schwartz, Franklin W.,Kim, Yongje,Chae, Byung-Gon Korean Radioactive Waste Society 2017 방사성폐기물학회지 Vol.15 No.4
The concept of deep borehole disposal (DBD) for high-level nuclear wastes has been around for about 40 years. Now, the Department of Energy (DOE) in the United States (U.S.) is re-examining this concept through recent studies at Sandia National Laboratory and a field test. With DBD, nuclear waste will be emplaced in boreholes at depths of 3 to 5 km in crystalline basement rocks. Thinking is that these settings will provide nearly intact rock and fluid density stratification, which together should act as a robust geologic barrier, requiring only minimal performance from the engineered components. The Nuclear Waste Technical Review Board (NWTRB) has raised concerns that the deep subsurface is more complicated, leading to science, engineering, and safety issues. However, given time and resources, DBD will evolve substantially in the ability to drill deep holes and make measurements there. A leap forward in technology for drilling could lead to other exciting geological applications. Possible innovations might include deep robotic mining, deep energy production, or crustal sequestration of $CO_2$, and new ideas for nuclear waste disposal. Novel technologies could be explored by Korean geologists through simple proof-of-concept experiments and technology demonstrations.