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The Journal of the Korea Contents Association
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The Korea Contents Association
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Volume & Issues
Volume 9, Issue 12 - Dec 2009
Volume 9, Issue 11 - Nov 2009
Volume 9, Issue 10 - Oct 2009
Volume 9, Issue 9 - Sep 2009
Volume 9, Issue 8 - Aug 2009
Volume 9, Issue 7 - Jul 2009
Volume 9, Issue 6 - Jun 2009
Volume 9, Issue 5 - May 2009
Volume 9, Issue 4 - Apr 2009
Volume 9, Issue 3 - Mar 2009
Volume 9, Issue 2 - Feb 2009
Volume 9, Issue 1 - Jan 2009
Selecting the target year
Self-Diagnosing Disease Classification System for Oriental Medical Science with Refined Fuzzy ART Algorithm
Kim, Kwang-Baek ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 1~8
DOI : 10.5392/JKCA.2009.9.7.001
In this paper, we propose a home medical system that integrates a self-diagnosing disease classification system and a tele-consulting system by communication technology. The proposed disease classification system supports to self-diagnose the health condition based on oriental medical science using fuzzy neural network algorithm. The prepared database includes 72 different diseases and their associated symptoms based on a famous medical science book "Dong-eui-bo-gam". The proposed system extracts three most prospective diseases from user`s symptoms by analyzing disease database with fuzzy neural network technology. Technically, user`s symptoms are used as an input vector and the clustering algorithm based upon a fuzzy neural network is performed. The degree of fuzzy membership is computed for each probable cluster and the system infers the three most prospective diseases with their degree of membership. Such information should be sent to medical doctors via our tele-consulting system module. Finally a user can take an appropriate consultation via video images by a medical doctor. Oriental medical doctors verified the accuracy of disease diagnosing ability and the efficacy of overall system`s plausibility in the real world.
Serious Game Design for the Elderly using Arcade Game Machines
Kim, Sung-Jin ; Kim, Mi-Jin ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 9~18
DOI : 10.5392/JKCA.2009.9.7.009
This paper deals with the elderly serious game design which makes full use of the existing arcade game machine. This serious game is on the issue for its positive role recently. Serious arcade game for the elderly which is made up arcade platform-based combined contents manufacture technology has an element which is having a fun for building up physical and mental health. It also has a special objective which can prevent against senile dementia. Above-mentioned serious arcade game which has a special objective in both hardware part and software part is needed to study how to design. Accordingly, this paper presents how to make up special-purpose entertainment machine and contents development by biologic, social, and psychological researches and data about the elderly - main users. We hope that this paper can be used as a base for expansion of new industrial field by integrating new product development for the elderly with high game technology.With the help of information technology
Detecting Ventricular Tachycardia/Fibrillation Using Neural Network with Weighted Fuzzy Membership Functions and Wavelet Transforms
Shin, Dong-Kun ; Zhang, Zhen-Xing ; Lee, Sang-Hong ; Lim, Joon-S. ; Lee, Jung-Hyun ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 19~26
DOI : 10.5392/JKCA.2009.9.7.019
This paper presents an approach to classify normal and ventricular tachycardia/fibrillation(VT/VF) from the Creighton University Ventricular Tachyarrhythmia Database(CUDB) using the neural network with weighted fuzzy membership functions(NEWFM) and wavelet transforms. In the first step, wavelet transforms are used to obtain the detail coefficients at levels 3 and 4. In the second step, all of detail coefficients d3 and d4 are classified into four intervals, respectively, and then the standard deviations of the specific intervals are used as eight numbers of input features of NEWFM. NEWFM classifies normal and VT/VF beats using eight numbers of input features, and then the accuracy rate is 90.1%.
Design of Metadata and Development of System for Managing Connection Information of Digital Contents
Kim, Jae-In ; Kim, Dae-In ; Song, Myung-Jin ; Han, Dae-Young ; Hwang, Bu-Hyun ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 27~36
DOI : 10.5392/JKCA.2009.9.7.027
The advances in communication technology and the popularity of network have rendered the increment of demand and desire to digital contents, and a number of creative digital contents produced. According to the time of compilation and a production of raw data, and manners, the format of digital contents may be variable and there can be existed in many connection information about digital contents. Although there are many metadata for standardizing the digital contents, they do not consider for expressing the connection relation about digital contents. In this paper, we proposed the new metadata for expressing the connection information about digital contents. This metadata is compatible the metadata of dublin core out of international standard of digital contents. Our metadata can express the variable direct or indirect connection relation about digital contents by expanding the relation element of dublin core. Also, our system can provide more useful information since we develop a system for managing connection information of digital contents based on our metadata.
Zero-Watermarking based on Chaotic Side Match Vector Quantization
Kim, Hyung-Do ; Park, Chan-Kwon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 37~44
DOI : 10.5392/JKCA.2009.9.7.037
Digital watermarking is a technology for preventing illegal copying, for protecting intellectual property rights and copyrights, and for suggesting grounds of the ownership by inserting watermarks into digital contents. Generally speaking, watermarking techniques cannot escape from data distortion and quality degradation due to the watermark insertion. In order to overcome the shortcoming, zero-watermarking techniques which do not change the original data have been proposed recently. This paper proposes CSMVQ(Chaotic SMVQ), a zero-watermarking system for SMVQ(Side Match Vector Quantization) which shows better compression ratio and quality and less blocking effect than VQ(Vector Quantization). In SMVQ, compression progresses from left top to right bottom in order to use the information of the two neighbor blocks, so it is impossible to insert watermarks chaotically. In the process of encoding, CSMVQ dynamically considers the information of the (1 to 4) neighbor blocks already encoded. Therefore, watermark can be inserted into digital contents in chaotic way. Experimental results show that the image quality compressed by CSMVQ is better than that of SMVQ and the inserted watermark is robust against some common attacks.
Analysis and Visualization for Comment Messages of Internet Posts
Lee, Yun-Jung ; Ji, Jeong-Hoon ; Woo, Gyun ; Cho, Hwan-Gue ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 45~56
DOI : 10.5392/JKCA.2009.9.7.045
There are many internet users who collect the public opinions and express their opinions for internet news or blog articles through the replying comment on online community. But, it is hard to search and explore useful messages on web blogs since most of web blog systems show articles and their comments to the form of sequential list. Also, spam and malicious comments have become social problems as the internet users increase. In this paper, we propose a clustering and visualizing system for responding comments on large-scale weblogs, namely `Daum AGORA,` using similarity analysis. Our system shows the comment clustering result as a simple screen view. Our system also detects spam comments using Needleman-Wunsch algorithm that is a well-known algorithm in bioinformatics.
Addressing and Routing Method for Zigbee Network Expansion
Choi, Sung-Chul ; Jeong, Woo-Jeong ; Kim, Tae-Ho ; Jeong, Kyu-Seuck ; Kim, Jong-Heon ; Lee, In-Sung ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 57~66
DOI : 10.5392/JKCA.2009.9.7.057
Zigbee is a universal communication standard used in USN and is utilized in various applications. Zigbee protocol provides an address within a single PAN network, and at this time, it uses DAA. This is a method that divides a 16-bit address area into blocks with a fixed size according to the depth to assign one to each node. However, this method is limited because it has to assign addresses in 16 bits. As the depth increases, the number of nodes also increases exponentially to the maximal number of routers provided to each depth. Therefore, it is difficult to construct a huge network with numerous routers and large depth as in the places which are wide or have many shadow areas. Besides, since all the operations are performed in a single PAN network, it is hard to make several PANs into a single network. This article suggests new addressing and routing methods that can construct several PAN networks into a single network and combine broad area with less limitation in the number of routers and depth by extending the Zigbee-based network. Moreover, this paper has tested its performance and has verified its usability through substantive tests.
Analysis of IEEE 802.11n MAC and PHY Integration Method for High Throughput Performance based on NS-2
Kim, Joo-Seok ; Lee, Yun-Ho ; Song, Jae-Su ; Kim, Kyung-Seok ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 67~75
DOI : 10.5392/JKCA.2009.9.7.067
IEEE 802.11 WLAN(Wireless Local Area Network) standard is currently developing with increased wireless internet demand. Study trends of IEEE 802.11n for high throughput show two aspects, enhanced system throughput using aggregation among packets in MAC(Medium Access Control) layer, and better data rates adapting MIMO(Multiple-Input Multiple-Output) in PRY(Physical) layer. But, no one demonstrates IEEE 802.11n system performance results considering MAC and PRY connection. This paper adapts A-MPDU(Aggregation-MAC Protocol Data Unit) method in MAC layer and MIMO in PRY layer for IEEE 802.11n system. Consequently, Simulation results show enhanced throughput and data rates compared to existing system. Also, We use NS-2(Network Simulator-2) considering MAC and PRY connection for reality.
Ranging Performance Evaluation of Relative Frequency Offset Compensation in High Rate UWB
Nam, Yoon-Suk ; Lim, Jae-Geol ; Jang, Ik-Hyeon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 76~85
DOI : 10.5392/JKCA.2009.9.7.076
UWB signal with high resolution capability can be used to estimate ranging and positioning in wireless personal area network. The node works on its local clock and the frequency differences of nodes have serious affects on ranging algorithms estimating locations of mobile nodes. The low rate UWB, IEEE802.15.4a, describes asynchronous two way ranging methods such as TWR and SDS-TWR working without any additional network synchronization, but the algorithms can not eliminate the effect of clock frequency differences. Therefore, the mechanisms to characterize the crystal difference is essential in typical UWB PHY implementations. In high rate UWB, characterizing of crystal offset with tracking loop is not required. But, detection of the clock frequency offset between the local clock and remote clock can be performed if there is little noise induced jitter. In this paper, we complete related ranging equations of high rate UWB based on TWR with relative frequency offset, and analyze a residual error in the ideal equations. We also evaluate the performance of the relative frequency offset algorithm by simulation and analyze the ranging errors according to the number of TWR to compensate coarse clock resolution. The results show that the relative frequency offset compensation and many times of TWR enhance the performance to converge to a limited ranging errors even with coarse clock resolutions.
Network based Global Mobility Management Scheme Using MPLS LSP and Performance Analysis
Kim, Han-Gyol ; Choi, Won-Seok ; Choi, Seong-Gon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 86~94
DOI : 10.5392/JKCA.2009.9.7.086
We propose a network-based global mobility mechanism between the IP based Access Networks. In the core network, the control message and data transmission were separated for fast location registration. In the local area, by applying the PMIPv6 technology, the network-based mobility was possible. Moreover, when the existing handover scheme compared with the proposed handover scheme, we can see definitely that the handover latency time of the proposed handover scheme has better performance than that of the existing handover scheme.
Design and Analysis of Cognitive Radio Channel Allocation Model
Lee, Kwang-Eui ; Ro, Cheul-Woo ; Kim, Kyung-Min ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 95~101
DOI : 10.5392/JKCA.2009.9.7.095
Cognitive Radios are encouraging solutions to improve the utilization of the radio spectrum In this paper, we propose channel allocation model for cognitive radio and analyse the performance of the model with Petri Nets. We design the model with an assumption that only partial information about current channel allocation information is known to CR users. The model is designed to communicate efficiently avoiding interference with primary and CR users and contains channel reobtaining process of CR users. The dropping rate and throughput of CR users under the various channel utilization of primary users are given as performance index.
Impossible Drawing Using a Loop of Layered Depth Images
Lee, Yun-Jin ; Kim, Jun-Ho ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 102~109
DOI : 10.5392/JKCA.2009.9.7.102
In this paper, we present an algorithm which generates the impossible drawings after the manner of M.C. Escher. A class of the impossible drawings, focused on this paper, depicts the non-realistic configuration such that an ascent (or a descent) looks like keeping on permanently with a height-deceptive loop. We analyze the fact that the ascending direction in the non-realistic illustrations comes not from the physical heights of the objects but from the artist`s intended forwarding direction about the loop, which does not have any physical sense of depths. The basic idea to support such impossible drawings is to use a loop of layered depth images (LDIs), where several LDIs are arranged along with the forwarding direction of the loop while having the physically constant heights. The height-deception between two adjacent objects comes from the layer values in the LDIs. In this paper, we propose a NPR system which can manipulate a shape of the loop and layer values of the LDIs and demonstrate several impossible drawings results generated by using our system.
A Case Study on the Testing of Middleware software
Yang, Hae-Sool ; Lee, Ha-Yong ; Park, Ju-Seok ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 110~120
DOI : 10.5392/JKCA.2009.9.7.110
Recently raising the recognition and it joins in about software quality evaluation and authentication and the recognition is augmented in about importance of the high quality security which leads a quality investment from the software development enterprise. The quality investor do to become accomplished but substantially from which degree level, quality investment it leads and the verification of software quality improvement does not become accomplished substantially and with without being it does and wants the enterprises where are clear the quality improvement which leads a quality investment does not set the direction where the problem occurs. From the research which it sees international ISO/IEC 9126 where it is standard and in about software test ISO/IEC 12119 where it is a guide it constructed the metric in base and software tentative instance it led and is accumulated and the defect data which it analyzed. result escape it investigated/to analyze quality level and it analyzed is weak from development process part and a defect level and the quality rating instance of Middleware] software and escape a disposal plan it investigated. The research which it sees it leads and it induces it is quantitative/that there is a possibility of being sufficient it sees the quality increase of Middleware software and the demand which is qualitative.
Smart Card based Framework for Electricity AMR
Kang, Hwan-Soo ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 121~129
DOI : 10.5392/JKCA.2009.9.7.121
Inspection of an Electrical Meter is an action of measuring power usage to charge electricity rates and Electricity AMR(Automatic Meter Reading) is a system to automatize the action. AMR has been highlighted because it can reduce metering cost by substituting an automatic system for personnel and strengthen customer service. In this paper, we proposed and developed a smart card based AMR framework SCEMS as an alternative to other current AMR Models. This proposed SCEMS uses a java card based multi-application smart card and supports customer service such as various meter rates according to electricity consumption pattern data per household and transaction data that are accumulated in a smart card. This research can be a solution to the problems such as diversity, heterogeneity, and complexity that environmental changes will cause soon to the power supply industry.
Design and Implementation of Next Generation Web Environment ERP System
Ham, Yoon-Sang ; Jeon, In-Oh ; Yang, Hae-Sool ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 130~140
DOI : 10.5392/JKCA.2009.9.7.130
Raising the competitive power of the enterprise to recently, all resources integration it is a tendency which it manages with the method for, the reasoning being caused by system is professionalized and chief executive officer complicated becoming gets off the decision-making being difficult, it is following. The management technique which is BPR with solution plan will be presented, it will reach and ERP systems which it comes true concretely appeared. From the research which it sees in order to apply at the governmental under the influence public enterprise as ERP systems which it develops it provided ERP information to the customer at real-time and the web environmental ERP system from business site it will be able to control a company internal business at real-time it constructed. The evaluation which is fixed quantity it led in about the system which is constructed and improvement and expense curtailment of solution and business productivity of customer dissatisfaction, the system effectiveness and customer satisfaction index etc. improving, it verified.
Classification of Imbalanced Data Using Multilayer Perceptrons
Oh, Sang-Hoon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 141~148
DOI : 10.5392/JKCA.2009.9.7.141
Recently there have been many research efforts focused on imbalanced data classification problems, since they are pervasive but hard to be solved. Approaches to the imbalanced data problems can be categorized into data level approach using re-sampling, algorithmic level one using cost functions, and ensembles of basic classifiers for performance improvement. As an algorithmic level approach, this paper proposes to use multilayer perceptrons with higher-order error functions. The error functions intensify the training of minority class patterns and weaken the training of majority class patterns. Mammography and thyroid data-sets are used to verify the superiority of the proposed method over the other methods such as mean-squared error, two-phase, and threshold moving methods.
Effects of Presentation Modalities of Television Moving Image and Print Text on Children`s and Adult`s Recall
Choi, E-Jung ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 149~158
DOI : 10.5392/JKCA.2009.9.7.149
Major purpose of this study is to explore effect of presentation modalities of Television and print on children`s and adult`s recall. So An experiment was conducted by comparing children`s and adults` recall of information stories presented in three different modalities: "television moving Image1(auditory-visual redundancy)", "television moving Image2(auditory-visual redundancy)" and "print text". Results indicated that children remembered more infornation from the television moving Image than from print versions regardless of auditory-visual redundancy. But for the adults advantage of television was only found for information that had been accompanied by redundant pictures in television moving Image, providing support for the dual-coding hypothesis.
Realtime Facial Expression Data Tracking System using Color Information
Lee, Yun-Jung ; Kim, Young-Bong ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 159~170
DOI : 10.5392/JKCA.2009.9.7.159
It is very important to extract the expression data and capture a face image from a video for online-based 3D face animation. In recently, there are many researches on vision-based approach that captures the expression of an actor in a video and applies them to 3D face model. In this paper, we propose an automatic data extraction system, which extracts and traces a face and expression data from realtime video inputs. The procedures of our system consist of three steps: face detection, face feature extraction, and face tracing. In face detection, we detect skin pixels using YCbCr skin color model and verifies the face area using Haar-based classifier. We use the brightness and color information for extracting the eyes and lips data related facial expression. We extract 10 feature points from eyes and lips area considering FAP defined in MPEG-4. Then, we trace the displacement of the extracted features from continuous frames using color probabilistic distribution model. The experiments showed that our system could trace the expression data to about 8fps.
An Inquiry into the Ancient Jewelry of Ancient Egypt Myth
Choi, Jin ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 171~183
DOI : 10.5392/JKCA.2009.9.7.171
The spiritual world of the ancient times has precious values which forms the origin of human thought. This study aims to reevaluate ancient people`s particular views on man in their spiritual world reflected through gods` ornaments by studying the human race`s fundamental spiritual world gradually disappearing due to science development from Egyptian gods` ornaments expressed symbolically in Ancient mythical components. Although evidently ornaments in Egypt served for decoration, the basic purpose was exorcism as amulets, a shamanistic purpose to be protected from mystical and hostile powers by carrying them on the vulnerable spots of the body. As this aspect indicates, the human race tried to solve their self-insoluble transcendental issues through the help of supernatural power, pursuing to lead their lives there within. As a result, Egyptian ornaments; First, the deity raised their value by deifying human-beings. Second, the nobility enhanced their dignity by having goddesses wear the same skirts as theirs. Thirds, all deities maintained their class society by wearing fpassiums, bracelets, and anklets. Fourth, the resurrection was symbolized through gods and goddesses in charge of the afterlife.
Standardization and Classification of Culture Technology - Analysis of Technology Classification Systems and Demand Survey
Cho, Yong-Rae ; Kim, Won-Joon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 184~192
DOI : 10.5392/JKCA.2009.9.7.184
CT(Culture Technology) became one of the leading industries with fast growth in its contribution to an economy not only in Korea, but also in the world. This study suggests policy direction and priority of CT in the perspective of technology standardization and its classification. As a result, this study proposes a new `CT Classification` using the value chain concepts contrary to previous classification. In addition, we suggest standardization priority, especially, in the sectors of `CT Distribution/Service`, `CT Marketing`, `General CT management` based on our survey research of production side. Consequently, our research suggests an important strategic bases for decision makers in CT policy and development both government and private sectors.
Analysis of the usage Pattern of Tagging in Collaborative Bookmarking
Choeh, Joon-Yeon ; Kim, Yong-Soo ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 193~201
DOI : 10.5392/JKCA.2009.9.7.193
The use of tagging to describes web documents in the form of keyword has experienced rising popularity among various web services. Tagging also plays an important role in collaborative bookmarking services which can be regarded as an online favorite bookmark service. Tags which are created by users make it easier to search other users` bookmarks as well as user`s own bookmarks. In this paper we analyze usage patterns of collaborative tagging for exploring factors influencing the number of tags in web documents and users. We discovered that user`s characteristics have more effect on the tags than the web documents` characteristics. Moreover, leading users contribute to make a variety of tag than following users. Our study implies that more knowledge can be created through the incentives for leading user in order to improve the service quality of tagging service.
Factors Affecting the Upper Limb Function in Stroke Patients
Bang, Yoo-Soon ; Kim, Hee-Young ; Lee, Moon-Kyu ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 202~210
DOI : 10.5392/JKCA.2009.9.7.202
This study was carried out to identify the factors which correlated with upper limb function after stroke and to analyze the effect of related factors on upper limb function. The 100 stroke patients(MMSE-K>24) were participated. The upper limb function according to gender, hand dominance, stroke type, affected location, site of paralysis, speech disorder showed no significant difference, and show significant difference according to shoulder subluxation. The upper limb muscle strength(Manual Muscle Testing), proprioception, muscle tone(Modified Ashworth Scale), grip strength(Dynamometer), paint (Visual Analog Scale) showed significant correlations with upper limb function. These predictors explained 77.6% of the upper limb function and the most significant affecting factor of upper limb function was upper limb muscle strength. In conclusion, the upper limb muscle strengthening will be effective strategy to improving the upper limb function and considering the proprioception, muscle tone, grip strength, pain, subluxation will be helpful to develop the strategies.
Change of the Radiation-induced NO(nitric oxide) in Mice with Treatment by Algin-oligosaccharide
Jang, Woo-Young ; Choi, Seong-Kwan ; Dong, Kyung-Rae ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 211~217
DOI : 10.5392/JKCA.2009.9.7.211
In order to find out the radioprotective effect of algin-oligosaccharide, this study, with a mouse of which whole body irradiated by 3 Gy radiation once, measured nitric oxide. In nitric oxide test for observing the reaction of cell inflammation, nitric oxide showed decreased in the irradiation control group, while 3 day`s treatment group with algin-oligosaccharide before or after irradiation indicated higher than the irradiation control group, especially showed big difference in 3 day`s treatment group before irradiation (P<0.001). Consequently, this study inquired into the fact that algin-oligosaccharide with superior antioxidant activity performed radiation protection by increasing promotion of nitric oxide generation and confirmed that natural product with less chemical toxicity was able to be applied as radioprotector.
Relation between Maxillofacial Trauma Experience and Temporomandibular Disorder Prevalence among Some College Students
Jeon, Eun-Suk ; Lee, Jung-Hwa ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 218~224
DOI : 10.5392/JKCA.2009.9.7.218
This study was to investigate the relation between maxillofacial trauma experience and temporomandibular disorder prevalence with a view to helping prevent and cure temporomandibular dysfunctions by conducting a questionnaire survey with 370 students attending C Health Care College located in Ulsan Metropolis. Data collected underwent an analysis using SPSS program, resulting in the following:1. As for TMJ(temporomandibular joint) clicking prevalence rate, with 25.7% of male students and 22.7% of female students answering positively, the former showed higher rate of temporomandibular joint clicking (p<0.01), while no significant difference was identified depending on school years. 2. In terms of temporomandibular pain prevalence rates, females were found to have been more affected than male students. 3. When it comes to trismus prevalence rates, 10.8% of female students and 7.0% of male students responded they had experienced the dysfunction and female students showed slightly higher rate of trismus prevalence. 4. 6.5% of males and 4.3% of female students responded they had got treatment experience resulting from temporomandibular disorders, indicating that more male students had gone through treatment for temporomandibular disorders(p<0.05). 5. Male students showed higher experience rate of maxillofacial trauma(p<0.01), mostly due to falling or tumbling down, followed by exercises and etc. 6. The relation between maxillofacial trauma and temporomandibular disorders showed statistically significant relation between maxillofacial trauma and TMJ(temporomandibular joint) clicking (p<0.01).
Change of Cardiovascular Function of Industrial Workers Apply to Lumbar Stabilization Exercise according to the Floor Type
Kim, Chan-Kyu ; Chae, Yun-Won ; Kim, Myung-Hoon ; Lee, Jeong-Hun ; Ko, Dae-Sik ; Jung, Dae-In ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 225~232
DOI : 10.5392/JKCA.2009.9.7.225
This study conducted the following experiment to examine effects of cardiovascular function on lumbar stabilization exercise(LSE) in floor or swiss ball. This experiment was conducted to compare heart rate, systolic blood pressure, diastolic blood pressure and peripheral vascular oxygen saturation effects by lumbar stabilization exercise in floor or swiss ball with 18 normal adult and it divided 9 subjects. experiment group (1) is applying LSE on floor group and (2) is applying LSE on swiss ball group. Heart rate was measured by portable heart rate manometer, blood pressure was measured by hemodynamometer, and peripheral vascular oxygen concentration was measured using a computerized NURYTEC measuring apparatus analysis. These result lead us to the conclusion that systolic blood pressure and peripheral vascular oxygen concentration were influenced by LSE. but there was not differential effect between each groups. These results suggest that LSE has the capability to improve heart rate, blood pressure, peripheral vascular oxygen concentration. Consequently, LSE would be lead to increment of cardiovascular function.
Enhancing the Client Satisfaction through Improving the Quality of Hospital Administration Services
Kim, Yoo-Ho ; Lee, Ju-Ho ; Ryu, Sang-Il ; Lee, Jae-Eun ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 233~240
DOI : 10.5392/JKCA.2009.9.7.233
The purpose of this study is to suggest plans to enhance client satisfaction through improving the quality of hospital administration services. For accomplishing the purpose, we conducted empirical research with classifying hospital administration services into administrative staff service, medical staff service, facility service, and institutional service. Based on the results of this study, suggestions were made as follows for improving the quality of hospital administration services. First, in administrative staff service, detailed explanations should be provided about the items of medical bills, and patients` waiting time should be reduced through fast processing and smooth cooperation among departments. Second, in medical staff service, the process of medical service should be simplified for the accurate observance of appointment schedules, and the time to start outpatient service and the time to complete the discharge process should be earlier than now. Third, in facility service, convenient facilities and resting places should be prepared, parking facilities should be expanded, and menus should be improved for clients. Fourth, in institutional service, detailed medical service costs contents should be disclosed and plans should be made for the efficiency of services.
The Survey of Dental Hygiene Student`s Consciousness about the Disabled
Kwag, Jung-Suk ; Kim, Yoon-Jung ; Woo, Seung-Hee ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 241~247
DOI : 10.5392/JKCA.2009.9.7.241
The purpose of this study was to investigate consciousness about the disabled on dental hygiene students and search for course of dental hygiene education as oral health care with the disabled. The subjects in this study were 538 dental hygiene students from three college in Jeonnam province. For statistical analyses of collected data, the descriptive analyses and chi-square were adopted. The obtained results were as follows. Seniors showed positive attitude about the disabled and dental service of the disabled(p<0.05). The common types of contact the disabled were physical Cerebral palsy and inner disabled were rarely. The problems are difficulty in communication, short of clinical experience in dental service of the disabled, noncooperation of the disabled, short of knowledge in dental service of the disabled. To dental service of the disabled, demand as necessity of education was 87.5%, theory and practice at the same time was 68.0% in pattern of education. Finally, 49.5% of respondents observed special dental clinic to utilization pattern of dental service of the disabled.
Correlation between Manual Ability Oassification System and Functional Evaluation in Children With Spastic Cerebral Palsy
Park, Eun-Young ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 248~256
DOI : 10.5392/JKCA.2009.9.7.248
The purpose of this study was to investigate the relationship among functional evaluation systems, the Manual Ability Classification System (MACS), the Gross Motor Function Classification System (GMFCS), and the functional status (WeeFIM) in children with spastic cerebral palsy and to provide the foundation data about MACS for evaluation system of hand function in children with spastic cerebral palsy. For this, sixty children with spastic cerebral palsy were employed in this study. The sixty children were evaluated by using the MACS for their hand function and by using the GMFCS for their motor function. The functional status were assessed by using the Functional Independence Measure of Children (WeeFIM). There were a significant correlation between the MACS and the GMFCS (r
Relationship among User`s Security Need Sufficiency, Customer Satisfaction and Life Satisfaction in Electronic Security System
Kim, Chan-Sun ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 257~267
DOI : 10.5392/JKCA.2009.9.7.257
This study aims at diagnosing the relationship among user`s security need Sufficiency, customer satisfaction and life satisfaction in electronic security system. For the achievement of this study selected electronic security system users in Seoul as a population for about 25 days from June 20
, 2008 to July 15
, 2008, segmented. This study selected 378 peoples by distributing 400 unities in total for each 80 peoples throughout purposive sampling method. The final 302 samples were used in statistics. Collected data was analyzed based on the aim of this study using SPSSWIN 16.0, and factor analysis, reliability analysis, stepwise multiple regression analysis and path analysis were used as statistic techniques to analyze. The conclusions are the followings; First, The higher bodily, environmental, mental, informational, and physical security need the more body and property protection satisfaction and facility customer satisfaction. The higher bodily, environmental, and mental security need the more employee service satisfaction. Second, The higher bodily, environmental, informational, and physical security need are perceived, the more influence is marked with life satisfaction and security life satisfaction. Third, The higher personal and property protection, facility, and employee service satisfaction the more security life satisfaction. Also, the higher customer service and personal and property protection satisfaction are perceived, the more influence is marked with life satisfaction. Fourth, Security need sufficiency has little influence on life satisfaction directly, but it has high influences on life satisfaction through customer satisfaction of electronic security system.
Improvement of a Potential Integrity on Korean Police
Cho, Ho-Dae ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 268~275
DOI : 10.5392/JKCA.2009.9.7.268
Today, in order to cope with the changing security environments and the citizen demand actively and efficiently, the Korean police is attempting a great change inside and outside such as the practical application of decentralized police system. Police`s corruption is serious in various statistical data that present from lower part that is show. compares to continuous upright improvement effort and evaluation of the inside of the police system. the citizens recognition against it is evaluated lowly. The difference of recognition on police potential integrity between members of the police organization, the citizen and the external agency points the insufficiency of police improvement, deficiency of effective system and policy, organization culture as causes.
Using DEA/Window Analysis to Measure the Relative Efficiency of Local Government over Times: Focusing on Districts of Busan Metropolitan City
Leem, Byung-Hak ; Hong, Han-Kuk ; Im, Kwang-Hyuk ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 276~284
DOI : 10.5392/JKCA.2009.9.7.276
This paper applies DEA windows analysis in order to determine the efficiency of the Districts of Busan Metropolitan City over time for 5 years (2003 - 2007). This paper used such factors including Number of solutions of civil petitions, Local Tax Collection, and Financial Independent rate as output, Total Labor Costs, Government Employees, Population and Expenditure as inputs. This study concludes that the efficiency of the different District can fluctuate over time to different extents and efficiency of most District decreases from 2003. Indeed, the empirical results reveal that substantial inefficiency exists in some Districts at some point in time. In consequence, this validates the necessity for using DEA windows analysis in preference to an analysis based upon cross-sectional data. This paper shows that Districts` efficiency decreases as Window goes to 1 to 3.
IT Governance Mediated the Effect of Human Resource Capability on Information Systems Outsourcing Success
Lee, Jong-Man ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 285~293
DOI : 10.5392/JKCA.2009.9.7.285
The purpose of this paper is to examine IT governance mediated the effect of human resource capability on information systems outsourcing success. The survey method was used for this paper, and data from a total of 108 companies that were listed greater than $10 million were used for the analysis. And structural equation model was used to analyze the data. The results of this empirical study is summarized as followings. First, human resource capability do not have a direct effect on information systems outsourcing success but IT governance mediates the effect of human resource capability. Second, preparedness capability and relationship capability have positive effect on the IT governance. The findings have significant implications for IT governance in information systems outsourcing.
Effects of Contents Quality on User`s Satisfaction and Continuous Usage Intention in UCC Services
Jung, Chul-Ho ; Jung, Duk-Hwa ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 294~303
DOI : 10.5392/JKCA.2009.9.7.294
The primary purpose of this study is to examine the effects of contents quality characteristics on user`s satisfaction and continuous usage intention in UCC services. Based on relevant literature reviews, this study posits five contents quality characteristics, that is, accuracy, completeness, variety, playfulness, and timeliness as key determinants of user`s satisfaction and continuous usage intention. And then we structured a research model and hypotheses about relationship between these variables. A total 315 usable survey responses of UCC service users have been employed in the analysis. The major findings from the data analyses are as follows. Firstly, four contents quality characteristics of completeness, variety, playfulness, and timeliness had a positive influence upon user`s satisfaction. Secondly, four contents quality characteristics of accuracy, completeness, playfulness, and timeliness had a positive influence upon continuous usage intention. Lastly, user`s satisfaction had very significantly related to continuous usage intention in UCC services. From this study, we expect to suggest practical and managerial implications to UCC service providers.
Analysis of the Relationships with Company Value by Free Cash Flow Model and accounting Index in Hotel Industry
Choi, Sang-Cheol ; Ko, Dong-Won ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 304~314
DOI : 10.5392/JKCA.2009.9.7.304
A valuation of the most hotels in Korea have been decided by their asset value and influenced by real estate market. On the other hand, most hotels aim to maximize their through generating profit as other enterprise do it. Therefore a valuation of the hotel industry should be decided from calculating in their profit value. This study is tried to find out the relationships of the company value by free cash flow model between accounting index in hotel industry. The results are as follows. First, there is a 25% gap between high level and low level in hotel industry. Second, in the first rate hotels it is meaningful 99% between asset size and liability rate. Third, there is 99% meaningful relationship asset size of the first level and second level hotels and company values.
Directions of Public Institution Innovation in Participatory Government
Park, Jong-Gwan ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 315~324
DOI : 10.5392/JKCA.2009.9.7.315
Public institutions guaranteed exclusive position of core business are likely to be inefficient in management. Past governments made various efforts to innovate public institutions. Participatory government drove innovation of public institutions through Ministry of Planning and Budget, and this innovation policy had problems as followings: shortage of common sense of innovation, lack of understanding of innovation, gradual execution of innovation instead of system innovation for business innovation, lack of consideration of characteristics of various public innovation, overlapping of evaluation system, and nonobjective design of evaluation indicator. MB government has diverse assignments for improvement of these problems as followings: transformation of business mind, voluntary participation of employee, improvement of management system of public institutions, reform of business evaluation system, promotion of internal competition, and construction of performance based business system. What is the most important point for successful reform of public institution is to achieve the support of general public with effective action plan and substantial programs.
Real Estate Double Contract and It`s Prevention
Park, Jong-Ryeol ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 325~332
DOI : 10.5392/JKCA.2009.9.7.325
The Korean real estate transaction makes a contract after the buying and selling person concerned agreed a business condition. As for vendee, business consists of the method that I issue documents before provision and money left over provision and the registration at the same time, and register a contract deposit in vendor. However, it latent for the real estate transaction various accidents such as fraud from a contract day to time to finish a real estate registration transfer, embezzlement, double contract by the breach of trust. Nevertheless vendee comes to match vendor by an asymmetry of the information one-sidedly to the front completing a registration transfer. I may prevent stellionate by the breach of trust of vendor if I use an ESCROW system in such a responsibility blank state.
Supporting Reality and Support System Improvement for the Small and Medium Size Enterprises
Lee, Jae-Hyun ; Ko, Seung-Hee ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 333~341
DOI : 10.5392/JKCA.2009.9.7.333
This study was undertaken for Korean small and medium size enterprises(SME) support policy that conduct to 10 supporting sector. As a result of analysis, this study found out similarity and duplication for SME support policy under the influence of that support system and supporting body had a problem with complexity and multi-function. Therefore, the implication of this study is that typology analysis of supporting reality and support system improvement for the SME
Recognition & Emotion Reaction on the Hotel Wedding Human service Commodities of latency Customer
Lee, Jun-Jae ; Kim, Yong-Soon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 342~351
DOI : 10.5392/JKCA.2009.9.7.342
This study aims to determine if we can draw significant strategies for development and improvement of hotel wedding business by analyzing the future-going and consistent wedding & ceremony culture of superior hotels in Seoul. Though the study, I could make conclusions as follows; First, human service in hotel wedding services which can be roughly categorized into human service influence on positive or negative emotion reaction of the client directly. Second, positive or negative emotion reaction of the client for the hotel wedding service commodity result in positive or negative influence on the client`s behavioral intention. I hope that there will be further studies from sampling to positive study on this issue in consideration of the conclusions and the limits of this study.
Relationship in Teamwork, JobSatisfaction and Organizational Commitment according to the Type of Self-leadership: Deluxe Hotel` s Wine & Dining
Kim, Yeon-Sun ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 352~360
DOI : 10.5392/JKCA.2009.9.7.352
This study is to find out influences of self-leadership on team-work, job satisfaction and organizational commitment. To research and analyze, from October 1st to 25th in 2008, the questionary distributed 420 working employees in wine & dining five star hotel in Seoul, then used for data analysis 356. The results come up with; First, behavior-focused strategies and natural reward strategies positively had significant team-work, and also team-work highly had significant job satisfaction and organizational commitment. Second, there was not showed up any significant relationship between constructive thought pattern strategies and team-work. The implication of this study is that if hotels provided self-leadership training programs to employees working at wine & dining, those would have increase self-leadership, positively effect employee satisfaction and organizational commitment. Ultimately it will bring positive effect customer satisfaction as well.
Effect of Cultural Tour Experience Hahoe Village at Andong on Touring Satisfaction and Behavioral Intention
Cho, Tae-Young ; Seo, Tai-Yang ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 361~370
DOI : 10.5392/JKCA.2009.9.7.361
This research, targeting the visitors to Hahoe Village at Andong, which is a cultural tourist attraction with its traditional cultural heritage well preserved, aimed at offering applicable implications to the staff in charge of management of Hahoe Village at Andong by clarifying which cultural tour experience factor has an effect on touring satisfaction and visitors` behavioral intention as a follow-up attitude from touring satisfaction, i.e. effect relationship between the intention of re-visit and intention of recommendation in a structural viewpoint. To sum up this research result, first, there are two factors of cultural tour experience: education and escape. These were found to have a positive effect on touring satisfaction. Second, four factors of cultural touring experience was found to have a positive effect on visitors` behavioral intention. Third, touring satisfaction was found to have a positive effect on visitors` behavioral intention
ADL based Construction of Dynamic Contents for Learner`s Tailoring Learning
Jeong, Hwa-Young ; Hong, Bong-Hwa ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 371~378
DOI : 10.5392/JKCA.2009.9.7.371
A lot of learning systems are applying and verify evaluating the item difficulty to increase learner`s learning effect. But most of this methods ware calculated the item difficulty when it analyze the learning result before or after learning. So, it is hard to support learning contents with changing item difficulty during learning to learner. In this research, we proposed the method that system can support learning contents to next learning to fit leaner`s level immediately as apply to calculate item difficulty during the proceed learning. Through this method, learner could supported learning contents by calculated difficulty through pre-test and it caused this method was helped learner to increase learning effect.
Measures to Generalize the Effect of u-Iearning
Ahn, Seong-Hun ; Jeong, Young-Sik ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 379~389
DOI : 10.5392/JKCA.2009.9.7.379
In this paper, we analyzed the effect of u-learning model school which have been in forced by the Ministry of Education. We suggested a plan which we generalized the effects of u-learning. To analyzed the effects of u-learning, first of all, we set up indexes of u-learning effect - satisfaction measurement, efficacy measurement, the scholastic achievements, possibility of generalization. After we reanalyzed reports of model school and papers of u-learning, we looked for suggestions of the effects u-learning. We draw up a plan which we generalized the effects of u-learning according to suggestions. We devide a plan by 3 steps - introduction step, diffusion step, fixation step and every step by 4 field - policy of u-learning, teaching & learning, quality control, technology. Because we suggested a concrete plan which we generalized the effects of u-learning, we expect to use usefully our plan at school in the future.
Development of Games for the Advance of the Creativity -Based on Algorithm Elements-
Kim, Jung-A ; Kim, Jong-Hoon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 390~401
DOI : 10.5392/JKCA.2009.9.7.390
For the reason that computer is the helping-system for complicated processes that we are not simply able to handle, it is needed to be taught and educated in many, and more various, ways. It will be a good way to lead the educatee by explaining basic algorithm and relevant theories in this aspect. And more creative and problem-solving factors have to be studied and applied to the current education system. To arouse interest and attention of the educatee, many efforts to make the concepts and theories that are still difficult to understand to the educatee. I would advise to convert the current algorithm element to interesting game types to get the educatee to be closer in easier and quicker ways. Accordingly, this is to create games reflecting a algorithm element to lead the educatee improve their creativities and problem-solving abilities.
Construction of Learner`s Differential Contents for Self-Directed Learning
Jeong, Hwa-Young ; Hong, Bong-Hwa ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 402~410
DOI : 10.5392/JKCA.2009.9.7.402
A lot of learning systems are applying self-directed learning to increase learner`s learning effect. But most of this methods are hardly applied to fit the construction of learning contents considering learner`s characteristics or it was processing the learning course without learner`s choice. In this research, we proposed the recommendation method that can support the learning contents as calculate learner`s preference contents based on learning history information when learner design the learning course. In the result, we chose test learner group and was able to know to generally increase average score of each learner after test between existing method and proposal one.
Effects of Korean College Students` Use of English Reading Learning Strategies on Reading Comprehension
Kim, Kyung-Hoon ;
The Journal of the Korea Contents Association, volume 9, issue 7, 2009, Pages 411~418
DOI : 10.5392/JKCA.2009.9.7.411
The purpose of this study is to research the effects of English reading strategies on English reading comprehension by Korean college students. Reading strategy use was assessed through Oxford`s self-report questionnaire in reading strategies. This study has three research questions. The first question was to investigate some reading strategies used by college students. The second question was to investigate the differences in reading strategies between two groups in gender. The third question was to investigate the differences in reading strategies of three college student groups according to their English proficiency estimated by reading scores. Some major findings of this study are as follows. First, college English learners use memory strategies most frequently of the six strategies, while using metacognitive strategies least frequently. Second, there exists a significant difference in reading strategies between the gender group. Third, there also exists a significant difference in reading strategies among the three groups divided according to English proficiency. This study shows that students` reading ability can be strengthened and motivated by some reading strategies in reading practice. It also means that it is necessary for English teachers to take into consideration the reading strategies suitable for the students in their reading classes.