• The Journal of the Korea Contents Association
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• v.17 no.11
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• pp.183-191
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• 2017

In order to secure the convenience of information retrieval by users of scientific information service platforms and to reduce the time required to acquire the proper information, this study proposes an optimized content recommendation algorithm among the algorithms that currently provide service menus and content information for each service, and conducts comparative evaluation on the results. To enhance the recommendation accuracy, users' major items were added to the original algorithm, and performance evaluations on the recommendation results from the original and optimized algorithms were performed. As a result of this evaluation, we found that the relevance of the content provided to the users through the optimized algorithm was increased by 21.2%. This study proposes a method to shorten the information acquisition time and extend the life cycle of the results as valuable information by automatically computing and providing content suitable for users in the system for each service menu.

• Journal of the Korean Geotechnical Society
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• v.35 no.3
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• pp.37-46
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• 2019

Recently, the use of CPT-based liquefaction assessment method has increased by providing more accurate results than other field tests. In CPT-based liquefaction evaluation, various soil properties are predicted and they are used for liquefaction potential assessment. In particular, fines content is one of the important input parameters in CPT-based liquefaction assessment, so it is very important to use correct prediction model and to make quantitative evaluation of estimating variability of fines content. In this study, the error evaluation of existing models for prediction of fines content through CPT was performed, and the most suitable model was selected for Pohang area, where the liquefaction phenomenon was observed in the 2017. In addition, the inherent variability of soil was analyzed, and the estimating variability of fines content was evaluated quantitatively considering the inherent variability of soil, measurement error of CPT and transformation uncertainty of selected model.

• Journal of Korean Academy of Nursing Administration
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• v.7 no.2
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• pp.285-300
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• 2001

To meet standards for high quality of care and satisfied customers, an evaluation tool about nursing care is necessary. And, We need to evaluate our practice continuously for the improvement in quality and outcomes. This study was intended to develop an evaluation tool about nursing care in NSICU, and was progressed of 3 steps; development, content validity verification and reliability verification. Data were obtained and analysed from Feb. To April, 2000. Development process of the study was as follows A preliminary list was made item by item on the basis of clinical Experience, literature review and patients' record review. Then the standards, criteria and indicators of preliminary evaluation tool were set by 5 clinical nursing panel, and their content validity was reviewed by 27 ICU nurses. Finally, an evaluation tool was developed and verified the reliability at c-university hospital located in Kwang-Ju. The results of this was as follows 1) The evaluation tool of this study developed 8 standards, 39 criterias and 106 indicators. The standards were divided into two dimensions. One was process dimension which contained 4 standards(26 criteria), The other was outcome dimension which contained 4 standards(13 criteria). 2) the Average content validity of the tool was 3.39 at standards, 3.55 at criteria and 3.51 at indicators. 3) Interrater reliability of the tool is r=.7993(p<.001) & internal consistency reliability ${\alpha}$ is .6031 4) Scores of NSICU Patients who participated in this study were 57 at total mean score, 58 at process mean score and 56 at outcome mean score The evaluation tool developed in this study seems to be useful in evaluation nursing practice appropriately for the improvement of nursing care in NSICU. I hope that this evaluation tool can be used effectively in NSICU as an intervention for the improvement of quality control.

• The KSFM Journal of Fluid Machinery
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• v.3 no.4 s.9
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• pp.7-14
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• 2000

This paper provides integrity evaluation and root cause analysis for defects observed at volute tongue, or cutwater, of the operating centrifugal pump in power plant. The cause of the cracks are analyzed and reviewed from the viewpoint of the operation and maintenance of the pumps, and the sample obtained from the cracked volute tongue of the pump are examined. At first, in-situ hardness test and microstructure examination were performed to understand the cause of cracking at volute tongue. The evaluation of structural integrity and the possibility of the crack propagation is also evaluated. Cracks were typical intergranular cracking and propagated along with prior austenite grain boundary. At easing volute tongue, the hardness was higher than ASTM requirement and a large amount of intergranular Cr carbide was precipitated. These were due to high C content in material. P content was also higher than ASTM requirement. Therefore, Cr carbide precipitation and P segregation at grain boundary, caused by higher C and P content in material, resulted in intergranular cracking of casing volute tongue. This procedure for integrity evaluation and root cause analysis is used to guide, and support the pump designer and manufacturer's material selection and process design to avoid a costly, unplanned outage of plant.

• Journal of Korean Academy of Nursing
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• v.43 no.2
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• pp.236-246
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• 2013

Purpose: This study was done to develop a measurement tool for evaluation of continuing nursing education programs and to verify its validity for effective management and quality of education programs. Methods: The draft of the evaluation measurement was developed from consultation with professionals, focus group interviews targeting groups of nurses, and individual interviews with education program planners. After 6 professionals examined content validity, 46 items were retained. A pilotsurvey was conducted to confirm the time required to complete the questionnaire and the level of understanding of general content and each item in the questionnaire. Construct validity was verified through exploratory factor analysis of data from a survey with 44 items completed by 452 nurses and 59 education program planners. Results: The final evaluation measurement for continuing nursing education programs consisted of 6 evaluation factors and 36 evaluation items. The 6 evaluation factors included identifying program goals and target groups, program planning, performance, operation and management, program outcomes, and program effectiveness. Conclusion: The evaluation measurement for continuing nursing education programs developed in this study is considered suitable to utilize as an evaluation measurement of the quality of continuing education programs for nurses.

• The Journal of Korean Academic Society of Nursing Education
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• v.4 no.2
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• pp.172-186
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• 1998

This study is intended to develop a reliable and approproate instrument of the clinical nursing education. This research consisted of 4 step. First step is contruction of the content for evaluation. Second step have the research of the content validity by 10 professors in Department of Nursing, H University, the pilot study for the content validity by 20 professors and clinical preceptors, and the survey with four point Likert Scale, which includes from the point of 'strongly valid' to the point of 'strongly non-valid' by 250 professor and clinical preceptor. The data were collected form March 1998 to July 1998. This study was analyzed by Cronbach's for the reliability and the factor analyisis for the validity of the collected data. The third step showed the final evaluation instrument of clinical nursing education which consists a couple of tool. One is the evaluation instrument of clinical nursing which includes the 20 items, the other is the evaluation instrument for case study which includes the 15 items. The fourth step is the test of reliability and validity of the final evaluation too. The results from these step's study showed the higher reliability and validity. Respectly, Cronbach's revealed the evaluation instrument of clinical nursing and case study is Cronbach's $\alpha$=.92413, Cronbach's $\alpha$=.95602. For further research, it needs to develop a reliable and variable instrument of the students self-evaluation and community based instrument.

• Journal of the Korean Society of Food Science and Nutrition
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• v.28 no.6
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• pp.1256-1259
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• 1999

The rheological properties and sensory evaluation were investigated in the noodle from composite flours added with 0%, 10%, 20%, 30%, 40% of perilla flour. The maximum viscosity measured by amy lograph decreased gradually with the adding amount of perilla flour, while the gelatinization temperature increased with perilla flour. The weight and volume of the cooked noodle decreased with increasing perilla flour content. In the color of the noodle, lightness and yellowness decreased, but redness increased with increasing perilla flour content. Hardness and cohesiveness of the cooked noodle reduced, but adhesiveness increased with increasing perilla flour content. In sensory evaluation, the noodle with 20% perilla flour was evaluated the best in taste, texture and overall acceptability. Based on the cooking and sensory evaluation test, addition of 20% perilla flour to wheat flour is considered suitable for the noodle of perilla flour.

• Journal of Information Management
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• v.23 no.4
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• pp.1-20
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• 1992

In this study, titles, abstracts, and tables of content were evaluated and compared. The evaluation of the representativeness of surrogates and the evaluation through retrieval experiments were carried out in this study. Through the two experiments it was proved that titles are the best surrogate to condense information but they can't contain sufficient information because of the degree of condensation. Abstracts and tables of content are more effective than titles, while tables of content are the most effective.

• Korean journal of food and cookery science
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• v.19 no.2
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• pp.181-187
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• 2003

The objective of this study was to investigate by a sensory evaluation and mechanical examination the sensory and quality characteristics of wageobyune containing different ratios of ingredients such as lettuce (50%, 60% and 70%), sugar and water. The results of the sensory evaluation showed that wageobyung containing 50% lettuce had higher scores in the overall acceptability, color, flavor and chewiness preference. In the textural analysis of wageobyung, the springiness, cohesiveness and hardness were the highest and the chewiness, gumminess and adhesiveness were the highest in the 70% added samples. Increasing the lettuce content decreased the hunter's color L-value of wageobyung. The redness and yellowness of wageobyung were increased as more lettuce was added. The moisture content of wageobyung was higher in the samples containing 70% lettuce than those containing 50%.

• Proceedings of the SCSK Conference
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• 2003.09b
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• pp.544-544
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• 2003

We investigated the inhibitory effect of whitening materials with growth factor or alone on melanomas derived from Human (B-16) and mouse (SK-MEL-31) using melanin content. Melanin content was determined by the absorbance value at 470nm per cells. we used the growth factors known as activators of Adenylate cyclase, Protein kinase C and tyrosine kinase pathway separately. In addition, we compared the action of UV-induced with non-biological growth factor with whitening materials in melanomas derived from Human and mouse. The results showed that the aspect of inhibitory effect of whitening materials on B16 and SK-MEL-31 was not different. And, the action of each growth factor involved in the differentiation and proliferation of melanoma on the inhibition of melanogenesis in B-16 and SK-MEL-31 using whitening agents showed no difference. Also, The action of UV -induced and non-biological growth factors didn't exhibit different pattern on the effect of whitening agent in B-16 and SK-MEL-31.