• Title/Summary/Keyword: early selection

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A transcode scheduling technique to reduce early-stage delay time in playing multimedia in mobile terminals (이동 단말기에서 멀티미디어 연출시 최초 재생 지연시간을 줄이기 위한 트랜스코드 스케줄링 기법)

  • Hong, Maria;Yoon, Joon-Sung;Lim, Young-Hwan
    • The KIPS Transactions:PartB
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    • v.10B no.6
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    • pp.695-704
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    • 2003
  • This paper proposes a new scheduling technique to play multimedia data streams in mobile terminals. The paper explores the characteristics of multimedia data streams , firstly. On basis of these characteristics, selection of specific data stream can be possible as well as transcoding protest. Our approach aims at reducing the early-stage delay time more effectively since it makes possible to select and transcodes some specific streams by employing a selection policy rather than transcoding all streams in the playing process Thus, this paper suggests a stream selection policy for the transcoding based on EPOB (End Point of Over Bandwidth). It aims to lower the required bandwidth of multimedia streams than the network bandwidth level and also to minimize early-stage delay time for multimedia streams, which is to be played in mobile terminals.

A study on academic achievements of college students admitted by admissions officer selection: K university case (입학사정관 전형 입학생의 학업성취도에 관한 연구: K대학교 사례)

  • Choi, Hyun Seok;Park, Cheolyong
    • Journal of the Korean Data and Information Science Society
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    • v.24 no.6
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    • pp.1149-1157
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    • 2013
  • In this study we compare academic achievements of college students admitted by admissions officer selection with those admitted by general selection. Two measurements of the academic achievements considered are GPA (grade point average) and relative ascending rank of GPA. By the comparison of the academic achievements, we would like to assess the effectiveness of the admissions office selection and then provide a basis for screening good students by that selection. The results of data analysis indicate that the academic achievements of admissions officer selection students tend to be lower than those of early general admission students and also those of regular general admission students tend to be higher than those of early general admission students.

Studies on Search for Varieties of Higher Sulfur Containing Protein with Lower Lipoxygenase Activity and Their Inheritance and Selection Efficiency for Breeding of Good Quality Soybean Cultivar 2. Variation of Lipoxygenase Activity and its Inheritance with Selection Efficiency (양질대두 품종 육성을 위한 고함황 단백질 및 lipoxygenase 저활성도 품종의 탐색과 그의 유전 및 선발효과 2. Lipoxygenase 저활성도 품종의 탐색과 그 유전 및 선발효과 연구)

  • 이홍석;박의호;구자환
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.39 no.2
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    • pp.180-186
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    • 1994
  • Lipoxygenase activity of soybean seeds of approximately 507 genotypes as well as its inheritance and selection efficiency in early breeding generation was measured in the Department of Agronomy, Seoul National University to facilitate breeding for low lipoxygenase activity of soybean. Average seed lipoxygenase activity of 507 cultivars and strains was 350 unit (unit: $\Delta$0.01 /min. /mg at 234nm) and ranged from 50 to 670 unit. There was no difference in mean lipoxygenase activity according to apparent seed characters such as seed coat and embryo color. But early mature soybean genotypes had fairly low lipoxygenase activity. Lipoxygenase activity was inherited quantitatively, in which additive effect was greater than dominant one and proportion of gene with positive effects was similar to that with negative ones. Estimated narrow- and broad-sense heritabilities were 0.78 and 0.86 for lipoxygenase activity, respectively. Heritability measured from selection in early breeding lines for high or low lipoxygenase activity was 64~76% or 54~62%, respectively. And selection for high lipoxygenase activity increased by 29.7~44.7%, whereas that for low ones decreased by 21.8~27.3%, respectively, when compared to random population. Clear effect in selecting of lipoxygenase activity was present in early generation.

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Site Selection Process for Spent Fuel in Finland

  • Auvinen, Anssi;Lehtonen, Aleksis;Riekkola, Reijo
    • Proceedings of the Korean Radioactive Waste Society Conference
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    • 2009.06a
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    • pp.179-181
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    • 2009
  • This presentation is a short summary of the Finnish process for selection and characterisation of potential sites for geological deep disposal of spent nuclear fuel. The process lasted nearly two decades from 1983 to 2000, and was concluded by the Government's Decision in Principle (DiP) on the construction of a repository in Olkiluoto. This presentation gives an outline of the early site selection criteria and a description of this process.

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Current Status of the High Redshift Quasars Selection from Infrared Medium-deep Survey

  • Jeon, Yi-Seul;Im, Myung-Shin;Park, Won-Kee;Kim, Ji-Hoon;Jun, Hyun-Sung;Choi, Chang-Su
    • The Bulletin of The Korean Astronomical Society
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    • v.35 no.2
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    • pp.37.1-37.1
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    • 2010
  • A high redshift quasar is useful to investigate the early part of our universe. Since they are one of the brightest objects in the early universe, they can provide us with clues of the growth of super massive black holes and the early metal enrichment history. To discover the high redshift quasars, we designed a survey of wide area and moderate depth; Infrared Medium-deep Survey (IMS), a J-band imaging survey of ~200 deg2 area where the multi-wavelength data sets exist. To obtain the J-band data, we are using the United Kingdom Infra-Red Telescope (UKIRT), and so far we have covered~40 deg2 with Y- or J-bands over 36 observing nights. We used color-color diagrams of multi-wavelength bands including i, z, Y, J, K, $3.6{\mu}m$ and $4.5{\mu}m$ to select high redshift quasars. The major challenge in the selection is many M/L/T dwarfs, low redshift galaxies, and instrumental defects that can be mistaken as a high redshift quasar. We describe how such contaminating sources can be excluded by adopting multiple color-color diagrams and eye-ball inspections. So far, our selection reveals one quasar candidates at z~7 and a few candidates at z~6. In this poster presentation, we will update the current status of the quasar selection in the IMS fields.

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EFFECT OF LONG TERM SELECTION ON GENETIC PARAMETERS OF ECONOMIC TRAITS IN WHITE LEGHORN

  • Sharma, D.;Johari, D.C.;Kataria, M.C.;Singh, B.P.;Singh, D.P.;Hazary, R.C.
    • Asian-Australasian Journal of Animal Sciences
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    • v.9 no.4
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    • pp.455-459
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    • 1996
  • The genetic parameters for various economic traits were estimated in a White Leghorn population selected for part period egg production over 16 generations. In early part of selection, egg number had moderate to high heritability (0.26 to 0.51) while age at sexual maturity, egg weight and body weight at 20 and 40 weeks of age had high heritability (0.54 to 0.83). The sire component heritability for all the traits except 20 week body weight declined in later periods of selection. Sex linked gene effects for egg number and age at sexual maturity were more important in early periods of selection in comparison to the later periods, while maternal effects remained important for 20 week body weight in all the periods. Egg number was negatively correlated with egg weight ($r_{G(S)}=-0.36$), age at sexual maturity ($r_{G(S)}=-0.84$) and 40 week body weight ($r_{G(S)}=-0.84$), while it was positively correlated with 20 week body weight ($r_{G(S)}=-0.34$) in base generation. The genetic association between egg number and 40 week body weight changed not only in magnitude but also in direction in later periods. The genetic correlation of egg number with egg weight as well as with age at sexual maturity also decreased in magnitude in later periods of selection.

No Response to Bidirectional Size-Based Selection in the Rotifer Brachionus rotundiformis

  • Malekzadeh-Viayeh, Reza;Song, Choon Bok
    • Fisheries and Aquatic Sciences
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    • v.18 no.3
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    • pp.287-296
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    • 2015
  • Although rotifers have been considered the best feeding option for several species of fishes in aquaculture, they are sometimes larger than appropriate for the early larval stage of some marine fishes. Thus, we aimed to determine whether size-based selection of the parents could affect the average body size of their progeny in two clonal populations of the rotifer Brachionus rotundiformis. From each of the clones, 20 individuals were bi-directionally selected toward both smaller and larger sizes and each individual-based selection was conducted for 10 consecutive generations. The results showed that although there were sometimes differences in mean body size between parents and their progeny, no directional trend was observed in all selected lines of both clones. We demonstrated that artificial selection in a rotifer stock cannot lead to an expected size range although they appear to exhibit a large degree of body size polymorphism.

A Dialectical Study of the Book Selection Theory (도서선택론의 변증법적 연구)

  • Yun Hee-Yun
    • Journal of the Korean Society for Library and Information Science
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    • v.29
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    • pp.173-204
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    • 1995
  • The purpose of this study is to promote understanding of the book selection theory by researching dialectically of its development process centering on the BSTv(value theory) and BSTd(demand theory). The results of this study are summarized as follows 1. In the period of enlightenment and education, the book selection theory of public libraries was the thesis state of BSTv(d). 2. Antithesis state of BSTv(d), that is, BSTd was raised to real central theory of book selection in the early 20th century. 3. In the 1930-40's, BSTv and BSTd were transformed into balance state or coexistence relations(BSTb $[v(d){\cdot}d(v)$]. 4. After World War II, BSTn(library needs theory) and BSTo(library objective theory) were evoked, and opposed to the existing selection theories. Now, they are developing into BSTbl$[n(d)\cdot\;o(v)\;or\;n(d){\cdot}v(o)]$.

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Methodology of Selecting FormFactor in the Early Design of Mobile Phone (휴대전화 초기설계에서의 형태인자 선정 방법론)

  • Lee, Kyung-Soo;Kim, Min-Soo;Cha, Sung-Woon
    • Journal of the Korean Society for Precision Engineering
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    • v.27 no.11
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    • pp.63-71
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    • 2010
  • FormFactors is one of the most critical design factors in early development of mobile phone, and proper selection of FormFactors is necessary for smoothness of product development and customer satisfaction. Especially, emergence of mobile convergence added so various functions besides its original call function that importance of selecting FormFactors has increased because multiform FormFactors are needed. However there is problem such as frequent change of decision making in existing process because established process picks out FormFactors sensibly and arbitrarily through idea pull and so forth. We proposed FormFactors selection process by Axiomatic Design, set approach method and block approach method for reasonable and systematical FormFactors selection. First of all, we set the purpose of mobile phone development, and it is examined by Axiomatic Design. FormFactors design matrix is deduced through this process, the numbers of axes and rails are proposed using set approach method, and then patterns of FormFactors are embodied by block approach method. Particularly process application was tried through case study of mobile phone development, and we ensured that new FormFactors can be presented to a designer by systematical verification if change of customer requirements occurs through our process.

Growth Characteristics of 100 Open-pollinated Families in an Early-age Test of Agathis loranthifolia in West Java, Indonesia

  • Kang, Kyu-Suk;Cappa, Eduardo P.;Hwang, Jae-Hong
    • Journal of Korean Society of Forest Science
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    • v.99 no.2
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    • pp.213-219
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    • 2010
  • Early results from a field trail of Agathis loranthifolia are reported from a progeny test of 100 open-pollinated families in west Java, Indonesia. The average of height and diameter at root collar (DRC) was 40.18 cm and 0.52 cm at age 15 months. Family survival rate ranged from 86.5% at age 10 months to 81.7% at age 15 months. Family means of 10 best and 10 poorest families for each trait indicated that there was a large difference of growth performances among individual families. For height and DRC growth, the poorest groups had averages of 33.98 cm and 0.43 mm while the averages of the best groups were 47.35 cm and 0.62 mm at age 15 months as a difference of 39.36% and 43.65%, respectively. Differences between the best group and the test population mean, which is the selection differential, were implying that genetic gain from selection for the improvement of height and DRC growth would be achieved. The family variances of DRC and height were relatively small compared to replicate and residual variances. Family heritabilities for both studied traits were fluctuated, and the genetic coefficients of variation for DRC and height at age of 15 months were 7.19% and 5.22%, respectively.