• Title/Summary/Keyword: Distributed objects

Search Result 425, Processing Time 0.025 seconds

Applying SCORM to Game Based Learning Contents (SCORM 적용 게임기반학습 콘텐츠 개발)

  • Choi, Yong-Suk
    • Journal of Digital Contents Society
    • /
    • v.10 no.4
    • /
    • pp.659-667
    • /
    • 2009
  • ADL SCORM(Sharable Content Object Reference Model) has been widely accepted as a global reference model for standardizing e-learning technology, and SCORM 2004 4th Edition, a stable version of SCORM, gives content developers the efficient way to build interoperable and reusable e-learning contents. Recently, a number of research efforts have been taken to build on-line SCORM contents based on some traditional training or learning styles. However, they have lacked for supporting more sophisticated learning style such as game based learning, and especially they do not consider employing the specific components of SCORM model for developing game based learning contents in practice. In this work, we elicit some SCORM data elements that is useful for representing game run-time data, and apply those elements to SCORM sequencing of game based learning SCOs(Sharable Content Objects). We thus present the whole procedure of developing SCORM game based learning contents with a sample contents.

  • PDF

The Effects of Socio-cultural Attitudes Toward Appearance, Self-Esteem, and the Perception of Physical Attractiveness on Behaviors of Facial and Hair Care (외모에 대한 사회문화적 태도, 자아존중감, 신체매력 지각이 얼굴 및 헤어관리행동에 미치는 영향)

  • Hwang, Yun-Jung;Yoo, Tai-Soon
    • Journal of the Korean Society of Costume
    • /
    • v.58 no.6
    • /
    • pp.85-95
    • /
    • 2008
  • The purpose of this study is to research appearance management behaviors through their interests in appearance and the degree of their management among the undergraduates to research the effects of sociocultural attitudes toward appearance, self-esteem, and perceptive physical attractiveness on their face and hair management behaviors and to provide the effective data to form the marketing strategies for the beauty and fashion markets for the undergraduates. Total 900 questionnaires were distributed to the female/male undergraduates students in Daegu and Gyungbuk. 873 questionnaires out of 900 were collected and 825 questionnaires were selected as the final objects of this study. Frequency analysis, factor analysis, and Cronbach a were used to analyze the data using SPSS 12.0 statistics program. To examine the effects among variables, univariate analysis of variance and multiple regression analysis were conducted. The followings are the findings of analyzing and considering the research results through statistically processing each variable and those of the existing researches. 1. In terms of face management behaviors, internalization and awareness as sociocultural attitudes and social physical attractiveness among physical attractiveness perceptive showed positive effects. 2. In hair management behaviors, social physical and personal physical attractiveness out of physical attractiveness perceptive seemed to have positive effects.

Concept Design of Download Over-the-Air functions for IoF-Cloud based distributed IoT device (IoF-Cloud 기반 분산된 IoT 장비들을 위한 Download Over-the-Air 기능의 개념 설계)

  • Cha, ByungRae;Choi, MyeongSoo;Park, Sun;Kim, HyeongGyun;Kim, YongIl;Kim, JongWon
    • Smart Media Journal
    • /
    • v.5 no.4
    • /
    • pp.9-17
    • /
    • 2016
  • Over the next 20 years it will begin the exodus from the Internet and smart phones to the Internet of Things. The heart of IoT gives new utility and value with connectivity among things around people to the human. In future, Industrial environment will be intimately connect all among machines and machines or factories and factories in all processing, and by digitizing of all goods and production life-cycle, which is a combination of virtual world and real world, the digital factory will become reality eventually. The proposed IoT or IIoT based Download OTA (Over-the-Air) provides a flexible mechanism for downloading Media objects of any type and size from a network. Moreover, proposed IoT based DLOTA provides a part of security by lightweight encryption, OTP, and CapBAC technique.

On the Height Growth of Several Species growing in the Middle Korea (국내주요수종의 수고생장에 대하여)

  • Ma, Sang-Kyu
    • Journal of Korean Society of Forest Science
    • /
    • v.21 no.1
    • /
    • pp.39-45
    • /
    • 1974
  • The objects of this study are to induce the experimental equation suitable to estimate the height growing process, and to get some information that could be to reduce the error percent on determining the site index. The height growing process per sample plot were made up from the height age curve getted through the stem-analysis of the dominant tree. The 11 equations were calculated in the functional formulas between the age and the dominant height of Alnus hirsuta, Larix leptolepsis, L. Gmelini, P. koraiensis, Abies holophylla, P. rigida, Q. acutissima and Q. aliena. The suitable equation for estimating the guide curve were selected with the highest correlation and the low standard error with comparision on the age-height distributed map as Fig. 2. The suitable equation is different between the species as their calculated results as follows; The growing process of tree height are occasionally found to be polymorphous in the growth pattern as Fig. 3. By this result, the site index are practically found to be always not constant but shows variation to age in same plot as example 5. So, that the site index are estimated from the height-growth curve to age drawing by the stem-analysis or the polymorphic-curve, are concluded to be suitable on the study of site evaluation.

  • PDF

Construction of an Agent-based Fault-Tolerant Object Group Model (에이전트 기반의 고장허용 객체그룹 모델 구축)

  • Kang, Myung-Seok;Kim, Hag-Bae
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.34 no.1B
    • /
    • pp.74-85
    • /
    • 2009
  • We propose an Agent-based Fault Tolerant Object Group model based on the agent technology and FTOG model with replication mechanism for effective object management and fault recovery. We define the five kind of agents - internal processing agent, registration agent, state handling agent, user interface agent, and service agent - that extend the functions of the FTOG model. The roles of the agents in the proposed model are to reduce the remote interactions between distributed objects and provide more effective service execution. To verify the effectiveness of the proposed model, we implemented the Intelligent Home Network Simulator (IHNS) which virtually provides general home networking services. Through the simulations, it is validated that the proposed model decreases the interactions of the object components and supports the effective fault recovery, while providing more stable and reliable services.

Analysis of Foot Type in Korean Young Adults Based on Normalized Arch Height (한국 젊은 성인의 정규화된 아치 높이에 따른 발 유형 분석)

  • Jung, Do-young
    • Physical Therapy Korea
    • /
    • v.27 no.3
    • /
    • pp.199-205
    • /
    • 2020
  • Background: The classification of foot type can be commonly determined by the height of the media longitudinal arch. The normalized arch height (NAH) is defined as the ratio of navicular or instep heights to the foot length or instep length. Objects: This study investigated the relationships among foot characteristics, such as foot length (FL), instep length (IL), navicular height (NH), and instep height (IH), in Korean young adults. Also, the distribution of foot type based on calculated NAH was assessed. Methods: Three-dimensional foot scanning data of young adults aged 20 to 39 years (total: 1,978; 974 male, 1,004 female) were obtained from the Korea Technology Standards Institute, and used for analyses. NAH was calculated as the following: NH/FL, IH/FL, IH/IL, NH/IL. Spearman's rank order correlation was used to identify correlations among variables. The Mann-Whitney U-test and chi-square test were used to compare the sex differences in foot characteristics and distribution of foot type. Results: FL and IL showed a very high correlation (r = 0.94). The correlations between FL or IL and IH (r = 0.50-0.57) were greater than those between FL or IL and NH (r = 0.23-0.72). Males had significantly larger values than females (p < 0.001), and the frequency of pes planus was significantly higher in females than in males (χ2 = 50.09, p < 0.001). Based on the IH/IL index, the neutral foot, pes planus and pes cavus distributed by 16%, 78%, and 6% respectively. Conclusion: Our results on foot arch distribution could be used as basic data in clinical or footwear fields, and our data on differences in arch structure according to sex may facilitate understanding of why injury to the lower limbs differs between males and females.

Pro-environmental Maintenance and Management of Tour Cave : The Currents, Problems and Alternatives in Korea (관광동굴의 환경친화적 관리 방안에 관한 연구)

  • 유영준;이경호
    • Journal of the Speleological Society of Korea
    • /
    • v.59
    • /
    • pp.21-36
    • /
    • 1999
  • Most scholars calssify caves into natural resource, but caves possess values of natural and human resource, mix up the features of natural resources and human resources. Now, caves are distributed 260 in Korea. Seongryu Cave is showed in 1967 for the first time, till 1997 12 caves is opened to tourist. But since 1996 the 12 show caves of all is not launched the safety and environment-protection check-up adduced reason for IMF. Then caves must maintain environment of the normal temperature, humidity and dark. But the environment of caves are destroyed by tourism development. Thus to maintain environment of caves, it used to consider the counterplan as follows in restraint of the environmental change. Firstly, in case of development work to open caves, it must keep up with the prototype. Secondly, it must establish a freight depositary to prevent the influence of the caves's stain and damage due to tourist's objects. Thirdly, to maintain the normal temperature and humidity, it must install artificial poultice equipment of the inner parts of caves. Fourthly, in order to prevent the occurrence of $CO_2$, it must assessment of the optimum number of the greatest stayer. Fifthly, the control of closure for a given period of time is useful of the restoration to the cave's original state. Sixthly, by means of make narrow entrance, it should not influence the outer's air on the inner parts on caves. Seventhly, to keep the temperature of the inner part of caves, the lightening should be maintained moderately considering the convenience of a tour. Eightly, when water-proof cables for the lightening bulbs are connected each other, silicon tape is suitable and circuit breakers should be installed at the diverging points of the cables. Ninthly, the direction and angle of the lightening must be changed periodically to prevent green-pollution at the lightening spot. Lastly, when facilities and arrangements are equipped, corrosive materials should be excluded if circumstances allow.

  • PDF

A Study on Metadata Formats for Integration of Cultural Contents (문화콘텐츠 통합을 위한 메타데이터 포맷 연구)

  • Cho, Yoon-Hee
    • Journal of the Korean Society for information Management
    • /
    • v.20 no.2
    • /
    • pp.114-133
    • /
    • 2003
  • Recently, the organizations related to cultural contents are gradually expanding access to cultural contents for general public through the distributed network. However, since cultural contents have different characteristics than general contents, the objects, the of cultural contents seldom contain the words generally used for organization and search of information. If the cultural contents system is created without any consideration of such differences. We cannot effectively identify and search resources. Moreover, because the names, expressions and meanings are different between metadata elements of various cultural contents, it is very difficult to interconnect or share information between different systems. In order to solve these problems, proper organization ad management of metadata is vital. In this studym we have comparatively analyzed the data elements of each format based on Dublin Core, EAD, VRA, CDWA, CIMI, and Object ID, the metadata formats approached from various aspects in the cultural contents area. Through this study, we tried to provide the basic materials for integration of cultural contents by securing interoperability of different metadata formats.

Improving Clustering-Based Background Modeling Techniques Using Markov Random Fields (클러스터링과 마르코프 랜덤 필드를 이용한 배경 모델링 기법 제안)

  • Hahn, Hee-Il;Park, Soo-Bin
    • Journal of the Institute of Electronics Engineers of Korea SP
    • /
    • v.48 no.1
    • /
    • pp.157-165
    • /
    • 2011
  • It is challenging to detect foreground objects when background includes an illumination variation, shadow or structural variation due to its motion. Basically pixel-based background models including codebook-based modeling suffer from statistical randomness of each pixel. This paper proposes an algorithm that incorporates Markov random field model into pixel-based background modeling to achieve more accurate foreground detection. Under the assumptions the distance between the pixel on the input imaging and the corresponding background model and the difference between the scene estimates of the spatio-temporally neighboring pixels are exponentially distributed, a recursive approach for estimating the MRF regularizing parameters is proposed. The proposed method alternates between estimating the parameters with the intermediate foreground detection and estimating the foreground detection with the estimated parameters, after computing it with random initial parameters. Extensive experiment is conducted with several videos recorded both indoors and outdoors to compare the proposed method with the standard codebook-based algorithm.

Current Management for Pregnancy-related Low Back Pain by Korean Physical Therapists: A National Cross-sectional Survey Using the Vignette Method (비네트를 활용한 한국 물리치료사의 임신 관련 허리통증 환자에 대한 치료실태 조사연구)

  • Han, Hee-ju;Kim, Suhn-yeop
    • Physical Therapy Korea
    • /
    • v.27 no.1
    • /
    • pp.53-62
    • /
    • 2020
  • Background: Pregnancy-related low back pain (PLBP) has fewer systematic guidelines than pregnancy-related pelvic girdle pain, previous studies have not evaluated physical therapy for this ailment in Korea. Objects: We aimed to provide a detailed account of clinical decision making by Korean physiotherapists while treating PLBP. Methods: In total, 955 questionnaires were distributed mainly in places of continuing education held by the Korean Physical Therapy Association from April to July 2019. The same questionnaire was posted on a website used by physiotherapists. We collected subject information, a specific Vignette typically represent symptoms of PLBP, and responses to multiple questions about decision making, subjective recognition and interest level in the field of women's health physiotherapy (WHPT). Results: The overall response rate was 56% (n = 537); of these, responses to 520 questionnaires were analyzed. Most respondents chose various combinations of physical therapy methods. There were significant differences in subjective recognition levels of WHPT according to gender (p < 0.05), age (p < 0.01), education level (p < 0.01), and clinical experience (p < 0.05). There were significant differences in interest according to gender (p < 0.01) and education level (p < 0.01). With respect to the types of treatment, significant differences were noted in selective rates for "manual therapy", "pain control", and "supportive devices" based on gender. Manual therapy tended to be chosen more with increasing age and clinical experience. With increased education level, there were fewer choices for the use of pain control. Conclusion: This is the first data on how Korean physiotherapists manage PLBP patients using the vignette method. We were able to recognize the Korean physical therapist's decision on PLBP patients, and observed statistically significant correlations. This may aid in developing future research and education plans in the WHPT field.