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- 저자 : Junya Shimada (검색결과 2 건)
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A Case-based Design Framework for Screen Transition Diagram of Web Application
Junya Shimada,Taiki Enomoto,Susumu Takeuchi,Masanori Akiyoshi,Norihisa Komoda 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
Web applications are widely used on the Internet and Intranets. They are easy to be provided because a provider does not have to deploy them to each client. Accordingly, screen transition diagram (STD) is used to analyze the requirements of Web applications quickly. STD is useful to grasp the outline of the whole application, but analysts in most cases draw the diagrams from the scratch, even if they contain similar functionalities. This paper addresses a case-based design framework for supporting to draw STD of Web applications. In this framework, the analysts would combine different parts of STD over multiple Web applications, by dividing STDs into Web Page Transition Groups (WPTGs) based on the exchanged data among the screens. Moreover, a search support method to find appropriate WPTGs is considered in the framework.
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Sou N. Matsunaga,Kojiro Shimada,Tatsuhiko Masuda,Junya Hoshi,Sumito Sato,Hiroki Nagashima,Hiroyuki Ueno 한국대기환경학회 2017 Asian Journal of Atmospheric Environment (AJAE) Vol.11 No.1
Ozone concentration in Tokyo Metropolitan area is one of the most serious issues of the local air quality. Tropospheric ozone is formed by radical reaction including volatile organic compound (VOC) and nitrogen oxides (NOx). Reduction of the emission of reactive VOC is a key to reducing ozone concentrations. VOC is emitted from anthropogenic sources and also from vegetation (biogenic VOC or BVOC). BVOC also forms ozone through NOx and radical reactions. Especially, in urban area, the BVOC is emitted into the atmosphere with high NOx concentration. Therefore, trees bordering streets and green spaces in urban area may contribute to tropospheric ozone. On the other hand, not all trees emit BVOC which will produce ozone locally. In this study, BVOC emissions have been investigated (terpenoids: isoprene, monoterpenes, sesquiterpenes) for 29 tree species. Eleven in the 29 species were tree species that did not emit BVOCs. Three in 12 cultivars for future planting (25 %) were found to emit no terpenoid BVOCs. Eight in 17 commonly planted trees (47%) were found to emit no terpenoid BVOC. Lower-emitting species have many advantages for urban planting. Therefore, further investigation is required to find the species which do not emit terpenoid BVOC. Emission of reactive BVOC should be added into guideline for the urban planting to prevent the creation of sources of ozone. It is desirable that species with no reactive BVOC emission are planted along urban streets and green areas in urban areas, such as Tokyo.
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