• Title/Summary/Keyword: 과학기술자

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An Object Extraction Technique for Object Reusability Improvement based on Legacy System Interface (객체 재사용성 향상을 위한 레거시 시스템 인터페이스 기반 객체추출 기법)

  • 이창목;유철중;장옥배
    • Journal of KIISE:Software and Applications
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    • v.31 no.11
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    • pp.1455-1473
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    • 2004
  • This paper suggests a technique, TELOR(Technique of Object Extraction Based on Legacy System Interface for Improvement of Object Reusability) for reuse and reengineering by analyzing the Legacy System interface to distill the meaningful information from them and disassemble them into object units which are to be integrated into the next generation systems. The TELOR method consists of a 4 steps procedure: 1) the interface use case analysis step, 2) the interface object dividing step, 3) the object structure modeling step, and 4) the object model integration step. In step 1, the interface structure and information about the interaction between the user and the Legacy System are obtained. In step 2, the interface information is divided into semantic fields. In step 3, studies and models the structural and collaborative relationship among interface objects. Finally, in step 4, object model integration step, integrates the models and improves the integrated model at a higher level. The objects integration model created through TELOR provides a more efficient understanding of the Legacy System and how to apply it to next generation systems.

Strategies for Improving Forest Work Team Management (산림작업(山林作業) 영림단(營林團) 운영개선(運營改善) 방안(方案)에 관한 연구(硏究))

  • Kang, Gun-Uh
    • Journal of Korean Society of Forest Science
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    • v.94 no.3 s.160
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    • pp.153-160
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    • 2005
  • This study was analyze the performance of Forest Work Team from 1999 to 2003. Following recommendations were come up by reviewing the performance of Forest Work Team. The volume of forest works should be increased in order to supply the constant daily work. This would provide the increase of their salary and maintain their salary and maintain their livelihood. The Forest Work Teams should be the members of registered business with highly trained manpower. Qualified Work Team should have extra financial incentive by comparing with general forest workers who did not have adequate skills. The percentage of the certified forest workers should be increased by providing the technical training. To increase the efficiency of forest work, the forest mechanization should be accomplished and the training of forest mechanization had to be offered regularly for the forest workers, and provided them with an education allowance.

The Influence of the Appearance of 'Robot Actor' on the Features of the Theater ('로봇배우'의 등장이 연극의 특성에 미치는 영향)

  • Park, Yeon-Joo;Oh, Se-Kon
    • The Journal of the Korea Contents Association
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    • v.19 no.11
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    • pp.507-515
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    • 2019
  • The positive effects of 'robot actor' born in the age of artificial intelligence on the characteristics of theater (comprehensive, liveness, duality, planning) is due to the collaboration with 'robot' engineers, which increases the comprehensive. It is possible to respond to it, so that various reaction are maintained in every performance, and enhanced illusion can be provided in 'robot' material works in which 'robot actor' plays the role of 'robot'. However, the power focused on the director can reduce the comprehensiceness, the synthesis is reduced, and the 'robot actor' cannot perform the sweat or breath of 'human actor'. In itself, duality is incomplete. In addition, there is a high risk that the improvisation within the scope of planning is likely to occur as a sudden reaction, which may limit the postponement of the 'human actor'. Based on these findings, 'philosophy', 'science' and 'art' can predict the development of artificial intelligence side by side. It is considered necessary to study to redefine the direction and identity of arts and theater that should be moved forward.

A BIFS Generation Module in an MPEG-4 Authoring System (MPEG-4저작 시스템에서 BIFS생성 모듈)

  • Bae, Su-Young;Kim, Sang-Wook;Mah, Pyeong-Soo
    • Journal of KIISE:Computing Practices and Letters
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    • v.8 no.5
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    • pp.520-529
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    • 2002
  • Though BIFS is a complex description language that represents MPEG-4 content as text or bit streams, most traditional MPEG-4 content authoring tools are developed for a BIFS expert. Before using these tools, many authors must invest much time and energy in acquiring knowledge of BIFS. In this paper, we suggest a new manner for saving these efforts. Our proposal supplies the convenient user interface of traditional multimedia authoring tools for MPEG-4 authors and interprets the authored information and transforms it into BIFS. In our user interface, the author generates the minimal authoring information requested for generating BIFS; the BIFS generation module then transforms the information into BIFS format using predefined BIFS construction rules. The resulting BIFS consists of the Scene Tree and the Object Descriptor and Route; they are used for constructing MP4 standard files by mixing with the Elementary Stream.

The Measurement of Graphical Modeling Ability in Systems Analysis and Design (시스템분석 설계를 위한 그래픽 모델링 능력 측정)

  • Getalado, Nancy;Kang, Shin-Cheol;Lee, Jae-Gwang
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.19 no.1
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    • pp.221-229
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    • 2015
  • This paper looks into the measurement of modeling ability in different fields like science, mathematics, operations research and management science and emulates the ideas to system analysis and design where modeling is a very useful skill. An assessment tool was designed to measure the graphical modeling ability in systems analysis and design. It was administered to 92 students and submitted to 10 MIS experts and tested statistically for its reliability and validity.

Changes in Sink capacity and Source Activity of Rice Cultivars in Response to Shift of Heading date (벼 품종들의 출수기에 따른 동화산물 생산능력 및 수용기관 크기 변화)

  • Lee, Sok-Young;Kwon, Yong-Woong
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.40 no.2
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    • pp.260-267
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    • 1995
  • In temperate zone planting rice at different date subjects the Crop to different climatic condition. The present study aimed at comparison of the change in source-sink relationship of the Japonica(J) and that of IndicaxJaponica(I$\times$J) type rice cultivars caused by shift of heading date. Two J- and two I$\times$J-type cultivars were made to head on August 16, August 26, and September 5. Sink capacity was changed by shift of heading date in different mode between the types of cultivars. In both types major determinant of sink capacity was number of effective tillers, and the number of spikelets per panicle was the minor. In J-type earlier planting/heading was beneficial to increased panicle numbers and this was due mainly to a larger diurnal difference in temperature. I$\times$J-type cultivars favored a higher daily mean temperature to increase the sink capacity. The ability of source at heading, in terms of leaf area per panicle, chlorophyll content per spiklet, photosynthetic ability of leaves per unit area at 25$\^{\circ}C$, carbohydrate and N contents of leaves, was not so different among different heading dates in both types. However, the source activity was governed principally by temperature during grain filling. The J-type cultivars headed on Sept. 5 and I$\times$J-type cultivars headed later than August 16 could not have had sufficient source activity in grain filling due to lower temperature.

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Considerable Aspects for Technical and Vocational Training in Forestry (임업기술(林業技術) 및 직업훈련(職業訓練)에 고려(考慮)되어야 할 사항(事項))

  • Ma, Sang Kyu
    • Journal of Korean Society of Forest Science
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    • v.51 no.1
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    • pp.56-65
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    • 1981
  • The training of forest ranger level and forest worker level to push the sound forest management and to increase the employment effects in forestry will be done without delay as soon as possible. So several opinions to be considered are here discussed. 1. The ranger level will be at first completely trained with the technics developed and modernized, to process really the sound forest management based on the concept of ecological and economical technic. 2. The organization of vocational training and it's systematical training method will be newly adopted to increase the labour efficiency in forestry. The case of fulltime worker level should be more intensively trained and part-time worker or forest famer level should be trained by the forest ranger and skilled worker with visiting circularly their working place. And the daily employed workers and village people for working should be done by the skilled workers. 3. The training subjects for them at the beginning step will be exploited by the instructors and concerned experts with studying their current conditions. Their practical training is more reasonable to do in the practically managing forest and to carry out under the responsible of leader of this forest. 4. The instructors included rangers of training forest will get specially certain intensive training through the aids of outside experts or through the group instruction with them. 5. The training fields and their reasons to be learned by them are discussed in this paper from the basic knowledge to the skill technics. 6. In oder to systematize and mordernize more rapidly our forest technics that need for training them and also applying directly in the forest management, a total effort of certain type by scientists and technicians scattered individually all over the country is now earnestly demanded to synthesize their knowledge, technic and experience. So to do like this, the establishment of certain organization through which can do their total efforts together will be considered and assisted by the concerned authority. 7. For better lieving of full-time workers, the whole-round year working amount have to be supplied though the work technic-and working plan development. And under the conditions that the timber harvesting work is still not so enough and it has a bad climatic season, the in-side working system and side - job aids will be developed for their sound lieving. 8. The organization of labour management will be soon introduced in the concerning administrativ authority to solve the forest labour problems and to increase the employing effects in forestry in future. 9. The supply programm of improved and trained tools and maschines for forest work is also considered to use by the trained persons. If not to do so, the training results will return to the original condition and will get nothing any more.

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Experiences of Social Economy Organizations in Innovation Processes: The Case of the Social Problem-solving R&D Programs (사회적경제조직의 혁신활동 경험과 과제: 사회문제 해결형 연구개발사업을 중심으로)

  • BAK, Hee-Je;SEONG, Ji-Eun
    • Journal of Science and Technology Studies
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    • v.19 no.3
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    • pp.247-289
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    • 2019
  • By examining the experiences of three social economy organizations who participated in the social problem-solving R&D projects, we discuss the conditions which may encourage the participation of civil society in national R&D programs in South Korea. By calling for the inclusion of social economy organizations along with the living-lab, the social problem-solving R&D projects introduced a new type of civic participation in the national R&D programs. It is the requirement in the RFP of the social problem-solving R&D which led PIs to inviting social economy organizations into their projects. But the invites occurred rather abruptly and accidently without adequate mutual understanding between scientific experts and social economy organizations. While helping social economy organizations participate in R&D processes, this form of institutional arrangement also led them into a position in subordination to scientific experts. Social economy organizations were supposed to coordinate the living lab in the social problem-solving R&D projects which they felt familiar as an extension of what they have been doing. In contrast, they felt administrative work such as accounts following complicate administrative rules as the most unfamiliar challenge. The difference in their emphases between scientific experts and social economy organizations was also evident. Social economy organizations viewed that, while they and ordinary people are primarily interested in a practical use of the developed products or services, scientific experts tend to focus on research and development. Not only did such difference produce a friction in the R&D processes but also it had social economy organizations view the R&D projects they participated in as unsuccessful. Nevertheless, all these experiences provided a great opportunity for the social economy organizations for learning and growing as a new actor in the national R&D.

Grouting Improvement through Correlation Analysis of Hydrogeology and Discontinuity Factors in a Jointed Rock-Mass (절리 암반의 수리지질 및 불연속면 특성 간 상관분석을 통한 그라우팅 계획 수립의 개선 방안)

  • Kwangmin Beck;Seonggan Jang;Seongwoo Jeong;Minjune Yang
    • The Journal of Engineering Geology
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    • v.34 no.2
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    • pp.279-294
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    • 2024
  • Large-scale civil engineering structures such as dams require a systematic approach to jointed rock-mass grouting to prevent water leakage into the foundations and to ensure safe operation. In South Korea, rock grouting design often relies on the experience of field engineers that was gained in similar projects, highlighting the need for a more systematic and reliable approach. Rock-mass grouting is affected mainly by hydrogeology and the presence of discontinuities, involving factors such as the rock quality designation (RQD), joint spacing (Js), Lugeon value (Lu), and secondary permeability index (SPI). This study, based on data from field investigations of 14 domestic sites, analyzed the correlation between hydrogeological factors (Lu and SPI), discontinuity characteristics (RQD and Js), and grout take, and systematically established a design method for rock grouting. Analysis of correlation between the variables RQD, Js, Lu, and SPI yielded Pearson correlation (r) values as follows: Lu-SPI, 0.92; RQD-Lu, -0.75; RQD-Js, 0.69; RQD-SPI, -0.65; Js-Lu, -0.47; and SPI-Js, -0.41. The grout take increases with Lu and SPI values, but there is no significant correlation between RQD and Js. The proposed approach for grouting design based on SPI values was verified through analysis and comparison with actual curtain-grouting construction, and is expected to be useful in practical applications and future studies.

A Study on the Creative Industry Population Based on Different Spatial and Non-Spatial Urban Structure (공간적·비공간적 도시구조 변화에 따른 창조산업 인구 연구)

  • Ahn, Jung Geun;Hwang, Jeong Gyu
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.33 no.6
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    • pp.2583-2591
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    • 2013
  • A number of cities have been constantly decreasing their residents by the low quality of life and environment. A creative industry is being noticed for not only securing the competitiveness of the city but also increasing the number of population. Thus, the urban structure for inducing creative industry population becomes to major issue to the most of local governments. This study aims to suggest the relationships between urban structure and creative industry population based on different urban sizes. To measure the population of creative industry, this study used the 'National Business Survey' by the National Statistical Office, which classified the statistical data of industrial places on a basis of city, district, and borough. Based on the results of expert questionnaire surveys, it conducted an analysis on the importance of urban structure and drew some critical factors that have an important effect on attracting the population of creative industry. The relationships between creative industry population and urban structure evaluated by multiple regression analysis. This study found out that the cultural factors like cultural space or culture events were drawn as very significant factors that have a positive effect on the population of creative industry population. It is judged that the creation of culture environment, which can enrich the creative industry, is needed to strengthen the competitiveness of the cities.