• Korea Information Processing Society Review
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• v.22 no.1
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• pp.42-54
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• 2015

• School Mathematics
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• v.5 no.1
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• pp.59-76
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• 2003

Algebraic signs are important on learning and problem solving of algebra. This study investigated the contents of letters and expressions in textbooks by syntactics, semantics and pragmatics, and considered the introduction and extension processes of algebraic signs didactically. We also categorized the signs, and looked into textbook problems in view of semiotic. The result is that textbook is constructed in syntactics and semantics. Finally, the assessment of 7th grade students' competence in syntactics, semantics, syntactics+- semantics, pragmatics, and problem solving shows that students' ability in syntactics and pragmatics Is a predictive variable for algebraic problem solving.

• Archives of design research
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• v.12 no.3
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• pp.117-126
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• 1999

The purpose of this thesis is to research the applicatuion of moving typography whcih was analyzed and introduced in Opening Credit of Movies. There are four proposals to apply this plan which was derived from the movement of image transmission and enlargement of the main part. First; By providing a motion to a keyword from a text-based screen, it can enhance the importance of the main part. Second; Use a differentiated CUI (Character User Interface) as a button in order to form the flow data in data sort. Third; The meaining of unknown letters can be conveyed by adding a motion to letter. Fourth; The conveyance of meaning and the visual image transmission method can be used.

• Journal of the Korean Society for information Management
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• v.24 no.4
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• pp.375-391
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• 2007

Unicode Han ideograph character set differed from the our principle of the phonetic value ordering in that it followed the principle of KangXi radical-stroke ordering of the characters. Therefore, information system should support ideograph search on precise analysis of materials which consist of korean character (hangul) and ideograph character (hanja). History Information system has been maintaining Hanja(Chinese Character) to Hangul Dictionary, Terminology Dictionary for composition, borrowing, non-ideographic principles, Variant Forms Dictionary, and Recently discovered Chinese Characters List.

• Cross-Cultural Studies
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• v.38
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• pp.385-404
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• 2015

Compiled in 776 by Zhang Shen, Wu Jing Wen Zi was regarded as the epitome of model book for standardized regular script in Tang Dynasty. Following early works like Shuo Wen Jie Zi, Zhang Shen adopted radical-rule for the compilation of this work. 3,250 characters were selected from the Five Classics and 160 radicals were established. Yu Jiaxi (1884-1955) harshly criticized the radical system of Wu Jing Wen Zi for being inconsistant and confusing. With careful review and analysis of examples from Wu Jing Wen Zi, this paper discusses the pupose of the compilation of this work, its unique radical-rule system, principles of arrangement of characters with the same or similar radicals, and the differentiation of variant characters. It further discusses the value of Wu Jing Wen Zi by its innovative radical-rule and effective differentiation of variant characters. It concludes with a rebuttal of Yu Jiaxi's argument and restate the necessity of reevaluation of this work even to this day.

• Archives of design research
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• v.14 no.4
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• pp.99-108
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• 2001

The Charm is composed of various kind of ancient signs, letters and systematic characters so that they delivers messages with many expressions. They, compared with the experimental typography, are more logical and experimental than we generally think. Also, they have meanings and attributes as characters do, in which there are symbols, hieroglyphs, pictures and other similar words. Each attribute diverse from symbolic meaning, associates to deconstruction of letters. It is needed to review the experimental attributes of charms with the view of structural typography for potentialities of expression. The purpose of the study is to analyze and classify the morphologic construction of charms so that we can find the possibilities of applying the attributes to visual languages and typography. Future study seems to be extending the area of expressing of typography fit for our own culture, not for Western

• The Journal of the Korea Contents Association
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• v.7 no.10
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• pp.146-156
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• 2007

This study is possible because, first, "rammatology" and typography are connected by language. Second, I believe that language in typography should be comprehended in a relationship between peripheral studies such as history, philosophy, literature, and linguistics. Finally, "grammatology" is an excellent subject for experiments which attempt to rehabilitate the right of language, which is dependent on sound within the metaphysical boundary. This study is formed on the idea that the study of typography should be based on language, which is the basic foundation, and that this is possible in investigations related to peripheral studies. The main purpose of typography is an accurate delivery of meaning. However, the dynamics of creative thoughts towards advancement mainly depends on experiment, thus we cannot limit the purpose of typography as a means of communication to exchange meanings. For these reasons, I admit that interest in peripheral studies -which are not yet approached in the study on typography -take precedence.

• Communications of Mathematical Education
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• v.28 no.3
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• pp.375-394
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• 2014

The purpose of this study is to examine the transition of mathematical representation in Joseon mathematics, which is focused on numbers and operations, letters and expressions. In Joseon mathematics, there had been two numeral systems, one by chinese character and the other by counting rods. These systems were changed into the decimal notation which used Indian-Arabic numerals in the late 19th century passing the stage of positional notation by Chinese character. The transition of the representation of operation and expressions was analogous to that of representation of numbers. In particular, Joseon mathematics represented the polynomials and equations by denoting the coefficients with counting rods. But the representation of European algebra was introduced in late Joseon Dynasty passing the transitional representation which used Chinese character. In conclusion, Joseon mathematics had the indigenous representation of numbers and mathematical symbols on our own. The transitional representation was found before the acceptance of European mathematical representations.

• The Transactions of the Korea Information Processing Society
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• v.3 no.6
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• pp.1598-1606
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• 1996

In order to achieve high accuracy of off-line character recognition(OCR) systems, the recognized text must be processed through a post-processing stage using contextual information. In this paper, we reclassify Korean word classes in terms of OCR word correction. And we collect combinations of Korean particles(approximately 900) linguistic verbal from(around 800). We aggregate 9 Korean irregular verbal phrases defined from a Korean linguistic point of view. Using these Korean word information and a Head-tail method, we can correct misrecognized words. A Korean character recognizer demonstrates 93.7% correct character recognition without a post-processing stage. The entire recognition rate of our system with a post-processing stage exceeds 97% correct character recognition.

• KIPS Transactions on Computer and Communication Systems
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• v.11 no.2
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• pp.51-58
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• 2022

Blockchain technology is a system in which data from users participating in blockchain networks is distributed and stored. Bitcoin and Ethereum are attracting global attention, and the utilization of blockchain is expected to be endless. However, the need for blockchain data privacy protection is emerging in various financial, medical, and real estate sectors that process personal information due to the transparency of disclosing all data in the blockchain to network participants. Although studies using smart contracts, homomorphic encryption, and cryptographic key methods have been mainly conducted to protect existing blockchain data privacy, this paper proposes data privacy using matrix character relocation techniques differentiated from existing papers. The approach proposed in this paper consists largely of two methods: how to relocate the original data to matrix characters, how to return the deployed data to the original. Through qualitative experiments, we evaluate the safety of the approach proposed in this paper, and demonstrate that matrix character relocation will be sufficiently applicable in private blockchain environments by measuring the time it takes to revert applied data to original data.