• International Journal of Contents
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• 제8권1호
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• pp.47-54
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• 2012

The dynamic adaptation between various service environments using the application profiles for the service continuity is a key issue of the profile-based service continuity framework (PSCF) for N-screen service using next generation networks. PSCF offers an optimized service framework for providing continuous user services, which are multimedia video streaming, educational broadcasting, game, etc., using the various devices that are not restricted by the service environment of the user. This paper specifies the functional model of PSCF, service scenario and explains the experimental results of the service continuity for N-screen service using PSCF.

• 한국CDE학회지
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• 제4권2호
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• pp.30-35
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• 1998

Recently, many enterprises wish to preoccupy competitive positions in the market by motivating themselves towards CALS(Commerce At Light Speed) and try hard to achieve system implementation with the use of new concept-based backbone systems such as ERP(Enterprise Resource Planning) or PDM(Product Data Management). However, unfortunately there is an inevitable discrepancy during implementation period between package vendors and customers due to lack of clear methodology and misunderstanding about system. In some cases, consensus on partially verified system design invokes customers'continuous change demands and often it tends to result in unnecessary project delays. PDM application system implementation project of the company L has been studied here to solve these sorts of problems. The major yields of this work are achievement of a willing approval from customers and rapid system design under a time-limited and conceptually defined project scope and finally, through fully verified system design, we were able to reach successful system implementation.

• 한국IT서비스학회:학술대회논문집
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• 한국IT서비스학회 2006년도 추계학술대회
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• pp.60-65
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• 2006

The authors map some of the current Business Models in the Massively Multiplayer Online Player scenario. These maps represent Value Creation Systems by resorting to Value Net constructs and notations, and are offered here as a proof of concept and utility. The authors claim that these mappings can enable readers, managers and IT experts, to build new insights onto such Business Models and develop requirements for Information System infrastructure. When approaching the Value Creation System as a Value Net the goal is to think outside the conceptual box of Value Chains and understand how the different activities interact, by exposing the multiplicity of value types and flows. In doing this study the authors are attempting to synthesize a new Business Model proposal that could underlie the development of an infrastructure for the collaborative creation, distribution and exploration of online massively multiplayer games, beyond the traditional producer-consumer roles.

• ETRI Journal
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• 제44권6호
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• pp.925-935
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• 2022

In this study, we propose a limited feedback-based frequency divided group beamforming with sparse space-frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) scenario. The proposed scheme has several advantages over the traditional hybrid beamforming approach, including not requiring downlink channel state information for baseband precoding, supporting distributed multipoint transmission structures for diversity, and reducing beam sweeping latency with little uplink overhead. These are all positive aspects of physical layer characteristics intended for URLLC. It is suggested in the system to manage the multipoint transmission structure realized by distributed panels using a power allocation method based on cooperative game theory. Link-level simulations demonstrate that the proposed scheme offers reliability by achieving both higher diversity order and array gain in a nonline-of-sight channel of selectivity and limited spatial scattering.

• 국제학술발표논문집
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• The 1th International Conference on Construction Engineering and Project Management
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• pp.962-967
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• 2005

Construction management requires decision-making skills. Main approaches to training construction management students are: (1) analyzing sample situations involving decision-making; and (2) teaching logical decision-making procedures. The absence of 'pressure' factors in these approaches has significant impacts on the success of the training. The approaches also lack 'dynamic' effects that help create a spontaneous plan for construction projects where unforeseen changes and interruptions may occur. To minimize the adverse effects of the existing approaches, this paper proposes a framework for developing a web-based training system. The application is delivered as a game involving decision-making on the student's part in response to developments at the job-site, and where one student competes against another in an attempt to simulate a real-world scenario.

• 유통과학연구
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• 제13권10호
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• pp.109-114
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• 2015

Purpose - The movie market has the characteristics of being a perfectly competitive market as well as a pure monopolistic market at the same time. This is because there are competitors in the industry but prices, although not fixed, have not changed a lot. Price competition may not have spread, but the competition is focused on artistic value, and the degree of box office success is most important. The artistic value is determined in the course of the production process. However, the degree of box office success is dependent upon the marketing manager. The marketing strategy represents the difference in the standard or quality of the movie. Inherently, the marketing manager adopts the entertainment strategy based on the quality of the foundation of the completed movie. At this time, the marketing manager knows the pertinent information (high quality/low quality) regarding the movie. This research study tries to reveal what should be the reasonable movie marketing expense, dependent on the quality of the movie. Research design, data, and methodology - Using a game scenario with different market players, the goal of the research analysis is to find out the following. First, the marketing expense is determined to maximize the profits after film production. Second, after the production costs are already committed, the manufacturer gets to choose the marketing level. At this time, there will be a profit maximization point, considering the competition. The premise of the research is as follows: if it is a good movie of quality, positive word of mouth increasing the audience continuously slows down the speed of the demand curve. If the movie quality is bad, the negative word of mouth decreasing the audience gradually hastens the speed of the demand curve. On the marketing side, when the manufacturer invests heavily in the marketing expense of the movie, consumer expectations increase to drive up the audience numbers. On the other hand, it is difficult to improve the profits excessively. When the manufacturer invests in marketing a little bit, the marketing expense is only relatively committed, therefore a lot of demand cannot be gained. Results - If a fixed market share is in a competitive situation, a low quality manufacturer expends relatively more marketing expense. If the situation assumes two manufacturers spend the same for the cost of production, the high quality manufacturer takes more profit. If the manufacturer expends less marketing budget to save costs, the optimum profit cannot be achieved since the other party (opponent) grabs the initial market share. Conclusions - In conclusion, investment is essential for market share to increase. We must refrain from a zero-sum game and have models where the game participants pursue the creative profits together. In the current film industry, there is the dominating logic of winner and loser but we have to create a film industry environment where the participants can be altogether satisfied and live together.

• 한국콘텐츠학회논문지
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• 제19권8호
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• pp.93-105
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• 2019

모바일 콘텐츠 시장의 급성장과 더불어 인앱결제 관련 소비자 피해도 증가하고 있다. 본 연구에서는 소비자의 관점에서 모바일 게임 관련 인앱결제의 문제점을 파악하고 해결을 위한 방안을 제언하고자 인앱결제 관련 소비자문제 및 피해를 나타내는 3가지의 시나리오를 개발하였다. 그리고 2030 세대 323명이 각 상황을 통해 인앱결제 문제를 해결할 수 있는 방안을 평가하였다. 소비자들은 인앱결제 표시 및 가독성 문제, 앱마켓 책임 문제, 게임사 책임 문제, 소비자 책임 문제 등으로 인앱결제 문제를 인식하고 있었으며 각 요인에 대한 평가수준에 따라 표시개선 및 앱마켓 책임 강조형, 소비자 책임 강조형, 표시개선 및 게임사 책임 강조형으로 소비자가 유형화되었다. 유형별 특성을 파악하고 다항로짓분석을 통하여 인구통계적 특성 외에 인앱결제 표시 가독성 강화를 포함한 관련 법제의 미비점 개선에 대한 소비자의 요구가 높으며, 콘텐츠 개발사인 게임사 이외에 유통사인 앱마켓의 역할에 대한 소비자의 기대가 커 소비자, 기업, 정부의 협력적 노력이 중요함을 확인하였다.

• 한국정보통신학회논문지
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• 제21권2호
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• pp.361-366
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• 2017

최근 가상현실의 기술이 발달함에 따라 게임중독, 알코올 중독 등에 대한 가상현실 치료 프로그램이 개발되고 있다. 본 연구는 다문화 청소년의 트라우마 중재를 하기 위하여 가상현실에 기반한 인지행동치료 프로그램을 구현하는 개발과정의 모형을 제시하고자 한다. 인지행동치료의 가상현실 프로그램개발은 크게 3단계로 나누어진다. 제1단계에서는 다문화청소년이 트라우마로 인하여 경험한 주요 감정과 표출된 문제를 포함한 트라우마의 특성들을 파악하고 제2단계에서는 트라우마에 대한 인지행동치료를 목표로 한 시나리오를 구성의 전개과정과 범위의 내용을 제시되어야 한다. 최종 제3단계서는 시나리오 콘텐츠의 가상현실프로그램 구현에 대한 타당성 검토를 통해 다문화청소년의 긍정적 변화를 이끌 수 있는 중재 프로그램 개발의 가능성을 제안하였다.

• 한국HCI학회:학술대회논문집
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• 한국HCI학회 2006년도 학술대회 1부
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• pp.937-944
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• 2006

Although people's anxiety about the environmental problem has been getting higher, they are not provided good quality of knowledge about the environment. Based on this situation, Ecoblog can be a new type of online community to educate the public in ecological knowledge. Especially, Ecoblog can be utilized as a method of "preventive education", and it will contribute to reduce great amounts of environmental budget to restore contaminated environment to previous condition. Ecoblog also utilizes the concept of blog which user can create and append their site with chosen themes. A weblog or a blog is a non-commercial webpage regularly updated through the use of a blogging software which allows the user to "publish" kinds of amalgamations of text and graphics to the page as posts. The technology offered in Ecoblog is utilizing the concept of 4D place and game metaphor in order to provide users the sense of participation, interaction and immersion among them and the growing community. Thus, it requires applying the CAAD technology by implementing semantically well-defined building data model as a core database to create a 4D virtual community. This research focuses on defining a 4d spatial framework suitable for developing an online ecological community. Through our study, the state-of-the-art of online community has been studied at the first step. Second, the scenario of using EcoBlog described with content, visualization and navigation are defined based on the critical features derived at the first step. Finally, a 4d spatial framework composed of semantic building data model, content and rule database is constructed to propose factors that are necessary to establish an ecological virtual community. In conclusion, our framework could enhance the comprehension and interaction between users and virtual buildings in the ecological community by integrating the concept of game design, 4D CAD and semantic data model. Such framework can be applied to any online community for an educational purpose.

• 한국게임학회 논문지
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• 제9권1호
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• pp.135-142
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• 2009

최근 정보통신 기술과 복지수준이 발전함에 따라 장애인들을 위한 여러 인터페이스 장비나 훈련 시스템들이 연구되고 있으나 발달 장애인을 위한 훈련시스템은 미흡한 실정이다. 본 논문 에서는 발달 장애인의 상황 대처 능력 향상과 사회 적응훈련을 목적으로 '음식점 서빙' 이라는 주제에 따른 증강 현실기반 상황 훈련 시스템을 제안한다. 본 시스템은 실제 훈련환경에 마커를 두고 실제 공간에서는 사용하기 어려운 물체들을 가상 물체로 대체한 증강 현실 공간을 구성하여 안전하고 주변 환경의 제약없이 반복훈련이 가능하도록 한다. 훈련자는 HMD를 착용하고 훈련 공간 주위를 볼 수 있으며, 음성 멘트에 따라 행동을 함으로써 시나리오에 따른 훈련이 가능하게 된다.