• Title/Summary/Keyword: Similar Pattern

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Analysis of EFCI and ER Switches Algorithm for ABR Traffic, Using Self-similar pattern and Poisson pattern (Self-similar 패턴과 Poisson 패턴을 사용한 EFCI와 ER 스위치 알고리즘의 ABR 트래픽 분석)

  • 이동철;박기식;김탁근;손준영;김동일;최삼길
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2000.05a
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    • pp.296-300
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    • 2000
  • In previous papers, it proved relevant to using together with EFCI and ER switch for effective ABR traffic managements. It also applied to EFCI and ER switch algorithm, that consider ABR traffic as poisson pattern. However, in recently network environment, it has been proved about traffic pattern, that is similar to self-similar pattern than poisson pattern. In this paper, we will compare previous poisson pattern with self-similar pattern under ATM network.

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WIS: Weighted Interesting Sequential Pattern Mining with a Similar Level of Support and/or Weight

  • Yun, Un-Il
    • ETRI Journal
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    • v.29 no.3
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    • pp.336-352
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    • 2007
  • Sequential pattern mining has become an essential task with broad applications. Most sequential pattern mining algorithms use a minimum support threshold to prune the combinatorial search space. This strategy provides basic pruning; however, it cannot mine correlated sequential patterns with similar support and/or weight levels. If the minimum support is low, many spurious patterns having items with different support levels are found; if the minimum support is high, meaningful sequential patterns with low support levels may be missed. We present a new algorithm, weighted interesting sequential (WIS) pattern mining based on a pattern growth method in which new measures, sequential s-confidence and w-confidence, are suggested. Using these measures, weighted interesting sequential patterns with similar levels of support and/or weight are mined. The WIS algorithm gives a balance between the measures of support and weight, and considers correlation between items within sequential patterns. A performance analysis shows that WIS is efficient and scalable in weighted sequential pattern mining.

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Hemiplegic gait : comparison of kinematic variables related to Bait speed (편마비 보행 :속도에 따른 관절 운동학적 변수 비교)

  • Kwon Young-Shil;Choi Jin-Ho;Jung Byong-Ok;Chae Yun-Won;Kim Jin-Sang
    • The Journal of Korean Physical Therapy
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    • v.11 no.1
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    • pp.95-102
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    • 1999
  • In hemiplegic gait, walking speed is an important factor to evaluate treatment effect. The purpose of this study was to describe and compare kinematic variables during differant speed hemiplegic gaits. Six hemiplegic patients(47-69 years old) after stroke and age - matched six volunteers in good health(51-61 years old) were studied. The patients were sorted into two groups, depending on their self - speed of walking : fast speed group(3 patients, $0.74\pm0.14m/s$) and slow speed group(3 patients, $0.29\pm0.09m/s)$. The results were following. 1. In the hip joint, the fast group had lower mean value than normal but had similar pattern to normal. The slow group had continuous flexed pattern. 2. In the knee joint, the fast group had similar mean value and pattern to normal. The slow group had continuous flexed pattern. 3. In the ankle joint, the two group had dorsiflexed pattern. The fast group had similar pattern to normal. Thus, the fast group was similar gait pattern to normal.

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An Adaption of Pattern Sequence-based Electricity Load Forecasting with Match Filtering

  • Chu, Fazheng;Jung, Sung-Hwan
    • Journal of Korea Multimedia Society
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    • v.20 no.5
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    • pp.800-807
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    • 2017
  • The Pattern Sequence-based Forecasting (PSF) is an approach to forecast the behavior of time series based on similar pattern sequences. The innovation of PSF method is to convert the load time series into a label sequence by clustering technique in order to lighten computational burden. However, it brings about a new problem in determining the number of clusters and it is subject to insufficient similar days occasionally. In this paper we proposed an adaption of the PSF method, which introduces a new clustering index to determine the number of clusters and imposes a threshold to solve the problem caused by insufficient similar days. Our experiments showed that the proposed method reduced the mean absolute percentage error (MAPE) about 15%, compared to the PSF method.

A Study of Chinese Peony Pattern (중국의 모란문양 연구)

  • 김재임;박춘순
    • Journal of the Korean Society of Costume
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    • v.44
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    • pp.57-75
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    • 1999
  • The purpose of this study is to infer the shape and change as auspicious symbolic meaning and figures of a peony pattern. For this study. I analyzed the example of a peony pattern, which is traditional Chinese pattern appeared on a ceramic and textile. The results of this study are as following. First, a peony has particular title, such as 'the king of flowers' and 'the most beautiful woman in country and the smell in heaven' originated in a verse of a poet at Dang's Dynasty. It is reputed to be the best of all flowers, representing beauty, and a beauty. Second, the basic meaning of a peony pattern used as auspicious pattern is prosperity and it has various meanings of it's similar kind through several auspicious objects and combination. Also, it was used for the purpose of adequating the desire of man's blessing mentality. Third, four kinds of characteristics of a peony pattern are as following. 1) A peony pattern has similar shape with 'Bosanghwamoon', which was used as a pattern at formerly period of peony flowers. It was used as realistic shape gave vividness to the characteristic of peony on the shape of 'Bosanghwamoon'. 2) 8-petaled, unique leaves and veins were described in detail by vivid sketching shape of real peony flower. 3) Laying stress on the characteristics of peony flower, which is large and magnificent, several folds petals were described abundantly by exaggerated shape or a shape of big honeycomb. And unique leaves were described realistically on these. 4) It was also expressed peculiar characteristic of peony flower composed of several pieces by weakened design shape.

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24-Hour Load Forecasting For Anomalous Weather Days Using Hourly Temperature (시간별 기온을 이용한 예외 기상일의 24시간 평일 전력수요패턴 예측)

  • Kang, Dong-Ho;Park, Jeong-Do;Song, Kyung-Bin
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.65 no.7
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    • pp.1144-1150
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    • 2016
  • Short-term load forecasting is essential to the electricity pricing and stable power system operations. The conventional weekday 24-hour load forecasting algorithms consider the temperature model to forecast maximum load and minimum load. But 24-hour load pattern forecasting models do not consider temperature effects, because hourly temperature forecasts were not present until the latest date. Recently, 3 hour temperature forecast is announced, therefore hourly temperature forecasts can be produced by mathematical techniques such as various interpolation methods. In this paper, a new 24-hour load pattern forecasting method is proposed by using similar day search considering the hourly temperature. The proposed method searches similar day input data based on the anomalous weather features such as continuous temperature drop or rise, which can enhance 24-hour load pattern forecasting performance, because it uses the past days having similar hourly temperature features as input data. In order to verify the effectiveness of the proposed method, it was applied to the case study. The case study results show high accuracy of 24-hour load pattern forecasting.

Molecular epidemiologic analysis of pathogenic Escherichia coli isolated from poultry in Korea (국내 가금 유래 병원성 대장균의 분자역학적 분석)

  • Sung, Myung-Suk;Kim, Jin-Hyun;Kim, Ki-Seuk
    • Korean Journal of Veterinary Research
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    • v.50 no.3
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    • pp.239-246
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    • 2010
  • Among 203 avian pathogenic Escherichia coli (APEC) isolated from poultry with colibacillosis in korea, 14 isolates were selected from total 68 isolates transferred R plasmid and classified into 5 groups on the basis of antimicrobial minimal inhibitory concentration (MIC) pattern, farm source and O serotype. An association between clonal origin and R plasmid of them was investigated by R plasmid profile, restriction endonuclease analysis and pulsed-field gel electrophoresis (PFGE). The strains that showed the same or very similar antimicrobial MIC pattern, but different farm source and O serotype, revealed different PFGE pattern, which seemed to be different clonal origin. And the strains that showed the same MIC pattern and O serotype, revealed different PFGE pattern, seemed to be originated from different clone. Also the strains showing the same MIC pattern and farm source, but different O serotype, revealed to be different clonal origin. The strains that showed the same or similar MIC pattern, farm source, and O serotype, revealed identical or similar PFGE pattern, which seemed to belong to be one clone. Meanwhile, horizontal transfer of R plasmid seems to be common in APEC with regardless of O serotype and clone of the strains. These results indicate that rapid and accurate epidemiological survey of APEC can be possible by the combination of O serotyping, plasmid profiling and PFGE analysis following the classification of them into groups of antimicrobial drug resistance pattern.

A Fusion of Data Mining Techniques for Predicting Movement of Mobile Users

  • Duong, Thuy Van T.;Tran, Dinh Que
    • Journal of Communications and Networks
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    • v.17 no.6
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    • pp.568-581
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    • 2015
  • Predicting locations of users with portable devices such as IP phones, smart-phones, iPads and iPods in public wireless local area networks (WLANs) plays a crucial role in location management and network resource allocation. Many techniques in machine learning and data mining, such as sequential pattern mining and clustering, have been widely used. However, these approaches have two deficiencies. First, because they are based on profiles of individual mobility behaviors, a sequential pattern technique may fail to predict new users or users with movement on novel paths. Second, using similar mobility behaviors in a cluster for predicting the movement of users may cause significant degradation in accuracy owing to indistinguishable regular movement and random movement. In this paper, we propose a novel fusion technique that utilizes mobility rules discovered from multiple similar users by combining clustering and sequential pattern mining. The proposed technique with two algorithms, named the clustering-based-sequential-pattern-mining (CSPM) and sequential-pattern-mining-based-clustering (SPMC), can deal with the lack of information in a personal profile and avoid some noise due to random movements by users. Experimental results show that our approach outperforms existing approaches in terms of efficiency and prediction accuracy.

A Study on the Style of Textile Pattern Design Comparing Italian Fashion Brand and Its Extension Brand -Focus on Italian Fashion Brand - (기존 및 확장브랜드의 텍스타일 패턴디자인 개발유형 비교 연구 - 이태리 패션브랜드를 중심으로 -)

  • 이은옥
    • The Research Journal of the Costume Culture
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    • v.10 no.2
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    • pp.146-159
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    • 2002
  • This study examines the textile pattern design of Italian fashion brands and their brand extensions by comparing their images. Five Italian fashion brands are chosen and the textile pattern design of their brand extensions, which were presented during the eight collection. Then their design style is compared with the design style of their main brands. The five main brands and their brand extensions are as fellows: Anna Molinari-Blumarine, Dolce & Gabbana-D&G, Girogio Armani-Emporio Armani, Gian Franco Ferre'-GFF, and Prada-MiuMiu. Their color, motive type, motive layout, motive expression, and pattern drawing technique are examined and compared. Results suggest that most brand extensions generally use color, motive type motive layout. and motive expression similar to their main brands. In particular, their pattern drawing technique is a painting style white their main brands use a graphic style. This result suggests that to create and develop new brand extensions, Italian fashion (main brand) firms in general employ color, motive type, motive layout, and motive expression technique similar to main brands, but different drawing technique to differentiate from their main brands. The results of this study suggest that textile pattern design plays an important role in developing new brand extensions and thus should be considered as a crucial part of the product.

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Analysis of design elements by men's fashion type using flower images (꽃 이미지 남성복 패션 유형별 디자인 구성요소 분석)

  • Kim, Jihye;Yoo, Youngsun
    • Journal of the Korea Fashion and Costume Design Association
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    • v.23 no.1
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    • pp.47-59
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    • 2021
  • This study aims to provide inspiration and methods for menswear design by analyzing elements for men's fashion using flower images. The results are as follows: Men's fashion types with flower images were categorized as classic tailored, casual tailored, casual wear, sports-outdoor. The order of frquency was casual tailored, casual, classic tailored, and sports outdoor. For the classic tailored type, the flower images are related with an X-line silhouette, and the arrangement methods, such as a scattered patterns, one-point patterns, and surface techniques, such as printing and embroidery were used, and similar color or monochromatic schemes appeared sequentially. For the casual tailored type, the flower images are related to an H-line silhouette, arrangement methods such as a scattered pattern, panel pattern, and surface techniques, such as print, embroidery, and jacquard were used, similar color and accent color schemes appeared sequentially. For the casual type, the flower images are related to H-line and Y-line silhouettes, and arrangement methods, such as a scattered pattern, all-round continuous pattern, and panel pattern, and surface techniques, such as print, jacquard, embroidery, and patchwork were used, similar color and contrast color schemes appeared sequentially. For the sports outdoor type, the flower image were related to A-line and H-line silhouettes, arrangement methods, such as a scattered pattern and all-round continuous pattern, and surface techniques, such as print and jacquard were used, monochromatic scheme and contrast color schemes appeared sequentially. Therefore, the flower images in men's fashion were applied to various design elements, and displayed an interesting result, different from conventional design approach.