• Journal of Computing Science and Engineering
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• v.6 no.3
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• pp.207-218
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• 2012

In recent years, the skyline query paradigm has been established as a reliable method for database query personalization. While early efficiency problems have been solved by sophisticated algorithms and advanced indexing, new challenges in skyline retrieval effectiveness continuously arise. In particular, the rise of the Semantic Web and linked open data leads to personalization issues where skyline queries cannot be applied easily. We addressed the special challenges presented by linked open data in previous work; and now further extend this work, with a heuristic workflow to boost efficiency. This is necessary; because the new view on linked open data dominance has serious implications for the efficiency of the actual skyline computation, since transitivity of the dominance relationships is no longer granted. Therefore, our contributions in this paper can be summarized as: we present an intuitive skyline query paradigm to deal with linked open data; we provide an effective dominance definition, and establish its theoretical properties; we develop innovative skyline algorithms to deal with the resulting challenges; and we design efficient heuristics for the case of predicate equivalences that may often happen in linked open data. We extensively evaluate our new algorithms with respect to performance, and the enriched skyline semantics.

• Advances in materials Research
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• v.1 no.3
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• pp.205-219
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• 2012

Co-Re alloy development is prompted by the search for new materials for future gas turbines which can be used at temperatures considerably higher than the present day single crystal Ni-based superalloys. The Co-Re based alloys are designed to have very high melting range. Although Co-alloys are used in gas turbine applications today, the Co-Re system was never exploited for structural applications and basic knowledge on the system is lacking. The alloy development strategy therefore is based on studying alloying additions on simple model alloy compositions of ternary and quaternary base. Various strengthening possibilities have been explored and precipitation hardening through fine dispersion of MC type carbides was found to be a promising route. In the early stages of the development we are mainly dealing with polycrystalline alloys and therefore the grain boundary embrittlement needed to be addressed and boron addition was considered for improving the ductility. In this paper recent results on the effect of boron on the strength and ductility and the stability of the fine structure of the strengthening TaC precipitates are presented. In the beginning the alloy development strategy is briefly discussed.

• Proceedings of the Polymer Society of Korea Conference
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• 2006.10a
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• pp.228-228
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• 2006

Conjugated oligomers, used as models for fluorene-thiophene copolymers, are compared in terms of the microscopic morphology of thin deposits and the optical properties. The AFM images and the solid-state absorption and emission spectra are interpreted in line with the structural data, in terms of the assembly of the conjugated molecules. The compound with a terthiophene central unit and fluorene end-groups shows well-defined monolayer-by-monolayer assembly into micrometer-long strip-like structures, with a crystalline herringbone-type organization within the monolayers. Polarized confocal microscopy indicates a strong orientation of the crystalline domains within the stripes. In contrast, the compound with a terfluorene central unit and thiophene end groups forms no textured aggregates. The difference in behavior between the two compounds most probably originates from their different capability of forming densely-packed assemblies of ${\pi-pi}$ interacting molecules. These assemblies are used as active elements in organic field effect transistors designed by using soft lithography technique.

• Journal of Families and Better Life
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• v.11 no.1
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• pp.56-66
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• 1993

Bei der vorliegenden Arbit handelt es sich um Einfluβ des Feminismus auf die Bewertung der Hausarbeit. Daruber hinaus wird versucht darzustellen. was die Hausarbeitslehre in Hausha-Its wissenschaften durch feministische Perspektiven zur Hausarbeit gelernt hat und worauf sich die Hausarbeitslehre zukunfting richten soll. Durch die Analyse werden folgende Vorschlage fur die gerechte Bewtung der Hausarbeit herausgefunden: 1) Feministische Maβnahmen fur die bessere Bewertung von Hausarbeit. d.h. Forderung nach Lohn fur Hausarbeit Vergesell schaftung der Hausarbeit. Anerkennung der Beziehungsar-beit als 'richtige' Arbeit usw. werden kaum erfolgreich sein. ohne die Notwendigkeit der Bewertung von Hausarbeit bewuβu zu machen und den Grund weshalb Hausarbeit uberhaupt bewertet werden soll. aufzuzeigen. 2) Hausarbeitslehre in Haushaltswissenschaften soll sich vor allem darauf richten zu fordern. daβ Hausarbeit von beiden Geschlechtern, namlich von Mann und Frau gleich verteilt und geleistet werden soll. 3) Alle Menschen Frauen und Manner sollen entsprechend ihrer Begabung Ausbildung und ihrem Interesse Hausarbeit oder Erwerbsarbeit oder beide Tatigkeiten frei auswahlen durfen und konnen Es gibt dafur keinen plausiblen Grund daβ die Manner von Haushaltstatigkeiten befreit sind. Eine wichtige Aufgabe der Haushaltswissenschaften ist es. solche faire Gesell schaft-sform in der alle Tatigkeiten die der Wohlfahrt der Menschen beitragen gerect bewertet werden vorzustellen und zu gewahrleisten.

• Journal of the Korean Society for Precision Engineering
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• v.21 no.10
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• pp.65-77
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• 2004

In this paper, we propose an adaptive mechanism based on immune algorithm and neural network identifier technique. It is also applied fur an autonomous guided vehicle (AGV) system. When the immune algorithm is applied to the PID controller, there exists the case that the plant is damaged due to the abrupt change of PID parameters since the parameters are almost adjusted randomly. To solve this problem, we use the neural network identifier (NNI) technique fur modeling the plant and humoral immune algorithm (HIA) which performs the parameter tuning of the considered model, respectively. After the PID parameters are determined in this off-line manner, these gains are then applied to the plant for the on-line control using an immune adaptive algorithm. Moreover, even though the neural network model may not be accurate enough initially, the weighting parameters are adjusted to be accurate through the on-line fine tuning. Finally, the simulation and experimental result fur the control of steering and speed of AGV system illustrate the validity of the proposed control scheme. These results for the proposed method also show that it has better performance than other conventional controller design methods.

• Korean Journal of Human Ecology
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• v.18 no.3
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• pp.741-748
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• 2009

The purpose of this study is to investigate the students' preference and the sensibility to fetish fabrics such as leather, fur, velvet, suade, and corduroy, and to analyze differences according to gender of the university students. A questionnaire survey was conducted on 324 university students (male students 52.8%, female students 47.2%) in the Cheongju area, Korea. Frequency, t-test, F-test and factor analysis were used for data analysis. The results were as follows: 1) the subjects preferred velvet, leather and suede fabrics, while they did not prefer corduroy and fur fabrics. 2) Their feelings to fetish fabrics were respectively different depending on the kind of fabrics. 3) There were partially significant differences between the gender in the preference and the sensibility to fetish fabrics. 4) They evaluated that velvet fabrics could express a variety of sensibilities. 5) They considered that fabrics as velvet, leather, and fur have more noble and fanciful images than corduroy.

• BMB Reports
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• v.39 no.6
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• pp.717-721
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• 2006

In vitro analyses of type I signal peptidase activities require protein precursors as substrates. Usually, these pre-proteins are expressed in vitro and cleavage of the signal sequence is followed by SDS polyacrylamide gel electrophoresis coupled with autoradiography. Radioactive amino acids have to be incorporated in the expressed protein, since the amount of the in vitro expressed protein is usually very low and processing of the signal peptide cannot be followed by SDS polyacrylamide gel electrophoresis alone. Here we describe a rapid and simple method to express large amounts of a protein precursor in E. coli. We have analyzed the effect of ionophors as well as of azide on the accumulation of expressed protein precursors. Azide blocks the function of SecA and the ionophors dissipate the electrochemical gradient across the cytoplasmic membrane of E. coli. Addition of azide ions resulted in the formation of inclusion bodies, highly enriched with pre-apo-plastocyanine. Plastocyanine is a soluble copper protein, which can be found in the periplasmic space of cyanobacteria as well as in the thylakoid lumen of cyanobacteria and chloroplasts, and the pre-protein contains a cleavable signal sequence at its N-terminus. After purification of cyanobacterial pre-apo-plastocyanine, its signal sequence can be cleaved off by the E. coli signal peptidase, and protein processing was followed on Coomassie stained SDS polyacrylamide gels. We are optimistic that the presented method can be further developed and applied.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.26 no.1
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• pp.48-54
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• 2002

A part definition must not only provide shape information of a nominal part but also contain non-shape information such as tolerances, surface roughness and material specifications. Although machining features are useful for suitable shape information fur process reasoning in CAPP, they need to be integrated with tolerance information for effective process planning. We develop a tolerance modeler that efficiently integrates the machining features with the tolerance information fur feature-based CAPP. It is based on the association of machining features, tolerance features, and tolerances. The tolerance features in this study, where tolerances are assigned, are classified into two types; one type is a face that is a topological entity on a solid model and the other type is a functional geometry that is not referenced to topological entities. The (unctional geometry is represented by using machining features. All the data fur representing the tolerance information are stored completely and unambiguously in an independent tolerance data structure. The developed tolerance modeler is implemented as a module of a comprehensive feature-based CAPP system.

• Journal of Fashion Business
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• v.24 no.2
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• pp.68-84
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• 2020

The purpose of this thesis is to suggest a Practical Plan for ethical consumption by reviewing the category of Vegan Fashion and investigating its Social Value of vegan fashion. This will be achieved through investigating the papers and official home pages of 13 selected Vegan Fashion brands. It was found that in terms of use of materials such as leather, fur and organic fibers the brands can be divided into three sections: fur-free, cruelty-free and perfect vegan. A Practical Plan is suggested based on the aspects of production, consumption, distribution and education. Firstly, the provider should be required to understand vegan materials deeply, it is also desirable for them to get vegan certifications. Secondly, the seller should also understand about vegan materials, and be able to explain this to consumers. The education from the seller is vital and the meaning of logos and associated contents used by the label should be clearly explained to consumers. Thirdly, the association of consumers, and fashion brands should cooperate to enhance the level of general understanding in society further, this should influence new laws, that address ethical issues regarding the use of fur in fashion. Environmental problem of the future might be reduced if the stakeholders in Vegan Fashion are cooperatively and actively trying to educate the general population and make Vegan Fashion popular and ethical consumption popular.

• Journal of the Korean Society of Clothing and Textiles
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• v.44 no.1
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• pp.107-125
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• 2020

Indigo [鴉靑] was used as a symbolic color in 15^th century diplomacy. This study reinforces the historical research for characteristic and shapes of indigo colored royal clothing gift in King Seongjong's reign with a focus on po [袍] and ieom [耳掩]. Clothing made of fur that was combined with satin damask, silk gossamer [綃] were frequent gift, and a sable coat was a symbol of high-ranking clothes. Another clothing's materials were satin damask, sheer fabric gauze [羅], cotton, tabby with silk and ramie [紵絲]. The indigo color of King Seongjong's reign was recommended not for luxury. Historical research factors for indigo clothing gift were extracted from noblemen's relics. Danryeong and jigryeong are shaped of narrow sleeves and trapezoid gusset pleated in and out. Sable coat can consist of satin damask outshell, sable lining, and double oblique collar. Heohyung are presumed types of short sleeved fur vests. Ieom can be reconstructed with an indigo fabric outshell and sufficient fur. Dapho has gusset pleated wide and narrow. As additional gifts, the shapes of yoseon-cheopri and cheopri were analyzed. We selected a commercial fabric similar to relics and an indigo powder dyeing method to remedy a lack of traditional material. The reconstructed data were presented as flat drawings and samples.