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The System for Designing the Experience Game of Smart Phone
James E. Brown,Kil-Dong Hong,Chul-Soo Han,Jung-Hwan Sung,Hyo-Houn No,Eui-Sang Oh 한국콘텐츠학회 2009 ICCC International Digital Design Invitation Exhib Vol.2009 No.12
This paper describes a game design system that is effective to design a game running on a smart phone. Firstly, for establishing the system, we define a clip as a concept diagram which represents overall configuration of smart phone game. Secondly, we divide smart phone game configuration into four parts; User interaction part, picture part, Scene control part, and operation element part and extract elements of the four parts from smart phone game. Then, we apply these elements to the iphone game application, "Slugger" and show how the four parts produce the analyzed model of certain scenario of the game. Finally, we introduce the simulation environment of the analyzed model.
Russian Strategic Communications toward Japan: A More Benign Model of Influence?
James D. J. Brown 경남대학교 극동문제연구소 2021 ASIAN PERSPECTIVE Vol.45 No.3
Russia has been accused of weaponizing information to exert influence over the political systems and publics of countries in Europe and North America. However, is Moscow engaged in comparable activities in Japan? Given Japan’s status as the United States’ main ally in East Asia and the history of Soviet influence operations in the country, Japan is a logic target. Yet, to date, no detailed study has been conducted into Russia’s use of information tools toward Japan. To fill this gap, in this article I examine Russia’s contemporary strategic communications toward Japan in five areas: public diplomacy, Japanese mainstream media, Japanese social media, Russian state media in the Japanese language, and Russia’s use of Japanese agents of influence. I also assess the extent to which these activities pose a threat to Japanese security by comparing Russia’s activities via both a benign and malign model of strategic communications. This also facilitates comparisons with Russia’s actions in other countries. Having identified contrasts in the approach taken by Russia toward Japan and Western states, the article concludes by discussing explanations for these differences.
Open space premium near commercial zones – a case study in the City of Corona, California
James Yoo,Julianna Browning,Kenneth Minesinger 서울시립대학교 도시과학연구원 2018 도시과학국제저널 Vol.22 No.3
The study estimates the economic impact of urban open space on residential properties in the city of Corona, California. Using 4243 non-arms-length transactions and a spatial error model (SEM) hedonic model, we estimate the mean marginal willingness-to-pay (MWTP) for increasing the area of urban open space by 10% within 100 m buffer of residential properties. The results show that urban open space adds value to homes. In addition, we discover that the impacts of open space vary with the distance to the nearest commercial areas. The mean MWTP for open space appears to increase when properties are located closer to commercial zones.
Armitage, James M.,Choi, Sung-Deuk,Meyer, Torsten,Brown, Trevor N.,Wania, Frank American Chemical Society 2013 Environmental science & technology Vol.47 No.2
<P>The main objective of this study was to model the contribution of shelf sediments in the Arctic Ocean to the total mass of neutral organic contaminants accumulated in the Arctic environment using a standardized emission scenario for sets of hypothetical chemicals and realistic emission estimates (1930–2100) for polychlorinated biphenyl congener 153 (PCB-153). Shelf sediments in the Arctic Ocean are shown to be important reservoirs for neutral organic chemicals across a wide range of partitioning properties, increasing the total mass in the surface compartments of the Arctic environment by up to 3.5-fold compared to simulations excluding this compartment. The relative change in total mass for hydrophobic organic chemicals with log air–water partition coefficients ≥0 was greater than for chemicals with properties similar to typical POPs. The long-term simulation of PCB-153 generated modeled concentrations in shelf sediments in reasonable agreement with available monitoring data and illustrate that the relative importance of shelf sediments in the Arctic Ocean for influencing surface ocean concentrations (and therefore exposure via the pelagic food web) is most pronounced once primary emissions are exhausted and secondary sources dominate. Additional monitoring and modeling work to better characterize the role of shelf sediments for contaminant fate is recommended.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/esthag/2013/esthag.2013.47.issue-2/es304276g/production/images/medium/es-2012-04276g_0004.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/es304276g'>ACS Electronic Supporting Info</A></P>
( Nicholas M. Brown ),( James F. Mcdonald ),( Robert A. Sershon ),( Robert H. Hopper ) 대한고관절학회 2021 Hip and Pelvis Vol.33 No.3
Purpose: Accurate component placement and restoration of patient anatomy are critical in total hip arthroplasty (THA) surgery. Although intraoperative radiographs are sometimes utilized, it is unclear whether this practice can improve accuracy. Materials and Methods: This study evaluated acetabular cup abduction, anteversion, leg length, and offset among 100 posterior approach THAs performed without imaging (No X-ray group) and compared them to a subsequent series of 100 THAs where an intraoperative radiograph was taken with the trial components in place (X-ray group). THAs were performed using a posterior approach by a single, experienced surgeon whose goal was to place the cup at 45° of abduction and 30° of anteversion. Supine anteroposterior pelvic digital radiographs taken at the first (nominal 4-week) postoperative visit were used for measurements. Results: Slight differences in cup abduction (47°±6° vs 44°±6°, respectively, P=0.003) and anteversion angle (35°±6° vs 31°±6°, respectively, P<0.001) were observed between the X-ray and No X-ray groups; however, a similar proportion of cups within 10°of the target angles was observed (76% vs 83%, respectively, P=0.22). No difference in offset measurements (1.1±6.6 mm vs 0.3±6.9 mm, respectively, P=0.42) or leg lengths (0.3±3.8 mm vs 0.3±4.8 mm, respectively, P=0.94) was observed between the X-ray and No X-ray groups; however, the X-ray group showed less leg length variation (P=0.05). Conclusion: In this study, the routine use of intraoperative radiographs was not associated with improved implant positioning for uncomplicated primary THA.
JOHN M. O’HARA,JAMES C. HIGGINS,WILLIAM S. BROWN 한국원자력학회 2009 Nuclear Engineering and Technology Vol.41 No.3
This study has identified human performance research issues associated with the implementation of new technology in nuclear power plants (NPPs). To identify the research issues, current industry developments and trends were evaluated in the areas of reactor technology, instrumentation and control technology, human-system integration technology, and human factors engineering (HFE) methods and tools. The issues were prioritized into four categories based on evaluations provided by 14 independent subject matter experts representing vendors, utilities, research organizations and regulators. Twenty issues were categorized into the top priority category. The study also identifies the priority of each issue and the rationale for those in the top priority category. The top priority issues were then organized into research program areas of: New Concepts of Operation using Multi-agent Teams, Human-system Interface Design, Complexity Issues in Advanced Systems, Operating Experience of New and Modernized Plants, and HFE Methods and Tools. The results can serve as input to the development of a long-term strategy and plan for addressing human performance in these areas to support the safe operation of new NPPs.
질의 재구성 알고리즘의 검색성능을 측정하기 위한 새로운 평가 방법의 개발
김남호(Kim Nam Ho),(James C . French),(Donald E . Brown) 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.4
In information retrieval, query reformulation algorithms construct queries from a set of initial input and feedback documents, and retrieval performance can be varied by different sets of input documents. In this study, we developed a criterion for measuring the performance sensitivity of query reformulation algorithms to input sets. In addition, we also propose a way of measuring the changes in retrieved area (CIRA) during query reformulation. We compared CIRAs of query reformulation algorithms (i.e., query tree, DNF method, and Dillon's method) using three test sets : the CACM. CISI, and Medlars. In the experiments, the query tree showed the highest decreasing CIRAs during reformulations, which means the fastest convergence rate to an output set. For sensitivity analysis, the query tree scored the highest sensitivity to different input sets even though its differences to the other algorithms are very small.