• Title/Summary/Keyword: university-based science & technology park

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XSSClassifier: An Efficient XSS Attack Detection Approach Based on Machine Learning Classifier on SNSs

  • Rathore, Shailendra;Sharma, Pradip Kumar;Park, Jong Hyuk
    • Journal of Information Processing Systems
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    • v.13 no.4
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    • pp.1014-1028
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    • 2017
  • Social networking services (SNSs) such as Twitter, MySpace, and Facebook have become progressively significant with its billions of users. Still, alongside this increase is an increase in security threats such as cross-site scripting (XSS) threat. Recently, a few approaches have been proposed to detect an XSS attack on SNSs. Due to the certain recent features of SNSs webpages such as JavaScript and AJAX, however, the existing approaches are not efficient in combating XSS attack on SNSs. In this paper, we propose a machine learning-based approach to detecting XSS attack on SNSs. In our approach, the detection of XSS attack is performed based on three features: URLs, webpage, and SNSs. A dataset is prepared by collecting 1,000 SNSs webpages and extracting the features from these webpages. Ten different machine learning classifiers are used on a prepared dataset to classify webpages into two categories: XSS or non-XSS. To validate the efficiency of the proposed approach, we evaluated and compared it with other existing approaches. The evaluation results show that our approach attains better performance in the SNS environment, recording the highest accuracy of 0.972 and lowest false positive rate of 0.87.

Microfluidic Control for Biological Cell Orientation

  • Namkung, Young-Woo;Park, Jung-Yul;Kim, Byung-Kyu;Park, Jong-Oh;Kim, Jin-Oh
    • 제어로봇시스템학회:학술대회논문집
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    • 2003.10a
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    • pp.2457-2460
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    • 2003
  • There is a great demand to manipulate biological cell autonomously since biologist should spend much time to obtain skillful manipulation techniques. For this purpose, we propose a cell chip to control, carry, fix and locate the cell. In this paper, we focus on the cell rotator to rotate individual biological cell based on a micro fluidics technology. The cell rotator consists of injection hole and rotation well to rotate a biological cell properly. Under the variation of flow rate in injection hole, the angular velocity of a biological cell is evaluated to find the feasibility of the proposed rotation method. As a practical experiment, Zebrafish egg is employed. Based on this research, we find the possibility of non-contact rotation way that can highly reduce the damage of the biological cell during manipulation. To realize an autonomous biological cell manipulation, a cell chip with manipulation well and micro channel in this research will be utilized effectively in near future.

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NANOCAD Framework for Simulation of Quantum Effects in Nanoscale MOSFET Devices

  • Jin, Seong-Hoon;Park, Chan-Hyeong;Chung, In-Young;Park, Young-June;Min, Hong-Shick
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.6 no.1
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    • pp.1-9
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    • 2006
  • We introduce our in-house program, NANOCAD, for the modeling and simulation of carrier transport in nanoscale MOSFET devices including quantum-mechanical effects, which implements two kinds of modeling approaches: the top-down approach based on the macroscopic quantum correction model and the bottom-up approach based on the microscopic non-equilibrium Green’s function formalism. We briefly review these two approaches and show their applications to the nanoscale bulk MOSFET device and silicon nanowire transistor, respectively.

Algorithms, Processes, and Services for Future ICT

  • Jeong, Young-Sik;Park, Jong Hyuk
    • Journal of Information Processing Systems
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    • v.16 no.6
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    • pp.1231-1237
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    • 2020
  • In recent years, future information and communication technology (ICT) has influenced and changed our lives. Without various ICT-based applications, we would have difficulty in securely storing, efficiently processing, and conveniently communicating information. In the future, ICT will play a very important role in the convergence of computing, communication, and all other computational sciences and application. ICT will also influence various fields including communication, science, engineering, industry, business, law, politics, culture, and medicine. In this paper, we investigate the latest algorithms, processes, and services in future fields.

Virulence differentiation of bean common mosaic potyvirus in leguminosae crops

  • Park, H.S.;T.S.Jin;Park, J.W.;Lee, S.H.;J.U.Cheon;Park, J.K.;Y.Takanami
    • Proceedings of the Korean Society of Plant Pathology Conference
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    • 2003.10a
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    • pp.141.1-141
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    • 2003
  • Forty six isolates of bean common mosaic virus (BCMV) collected from azuki bean, mungbean, kidney bean, cowpea, broad bean and peanut were classified into three groups based on biological, serological, cytopathological, and molecular characteristics. Group I induced vein-banding symptoms in cowpea which was similar to those produced by the BCMV-cowpea strain. Group II caused mosaic symptoms in azuki bean but not in peanut and tobacco. Since this character was different from that of previously described BCMV strain, group II may not belong to BCMV GroupIII induced vein-clearing symptoms in azuki bean, kidney bean and peanut, which are typical symptoms for BCMV-peanut stripe virus strain. Virus inclusion patterns of BCMV groups were similar to those of Potyvirus subdivision III with the scroll, pinwheel and long laminated inclusions. However, the inclusions of laminated aggregates were never observed in mungbean isolates. Multiple alignment as well as cluster dendrograms of 3'noncoding region (3'-NCR) and a part of coat protein gene (CP) suggested that group I belongs to the BCMV-cowpea strain, group II to the BCMV-azuki bean strain, and group III to the BCMV-peanut stripe virus strain. Since molecular phylogenesis of BCMV based on nucleotides of 3'-NCR and coat protein differed from the grouping based on virulence differentiation, and BCMV groups are more closely related to each other with the same host origin, other characteristics of those strains are under investigation.

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Experimental Studies on Risks of BB Pellets Using Gelatine Based Simulants (젤라틴 Simulant를 이용한 비비탄총 탄환의 위험성에 관한 실험적 연구)

  • Park, Dal-Jae;Kim, Hyung-Suk;Lee, Young-Soon
    • Journal of the Korean Society of Safety
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    • v.26 no.3
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    • pp.29-33
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    • 2011
  • Experimental studies were performed to investigate the injury potential of BB pellets through gelatine based simulants. In order to record BB pellet movements penetrating into the target simulant, a high-speed video camera was used. In this study the first investigation involved the effects on concentrations, homogeneity and gelation times of the gelatine simulant. The second investigation involved the penetration depth of the pellets to the simulant by different distances between the BB gun and the simulant. The final one is associated with impact velocity, threshold velocity and penetration depth of the pellets by different kinetic energies of the BB gun. Results provided the basis in assessing the injury potential of BB pellets.

Multi-source based Question Answering System (다중소스 기반 질의 응답 시스템)

  • Park, Seonyeong;Kwon, Soonchoul;Choi, Junhwi;Yu, Hwanjo;Lee, Gary Geunbae
    • Annual Conference on Human and Language Technology
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    • 2015.10a
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    • pp.209-212
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    • 2015
  • 본 논문에서는 지식베이스와 다중 소스 레이블 문서를 동시에 활용한 다중소스 기반 오픈 도메인 질의 응답 시스템에 대해 소개한다. 제안하는 질의 응답 시스템은 자연어처리를 기반으로 한 질의 분석 모듈, SPARQL (Simple protocol and RDF Query Language) query 생성 및 검색 부분, 다중 소스 레이블 문서 검색 부분으로 이루어져 있다. 정확도가 높은 지식베이스 기반의 질의 응답 시스템으로 정답을 우선 탐색한다. 지식베이스 기반 질의 응답 시스템으로 정답을 찾는 데 실패하거나, SPARQL query 생성에 실패하면, 다중 소스가 레이블된 문서 검색을 통해 정답을 찾는다. 제안하는 질의 응답 시스템은 지식베이스만 사용한 질의 응답 시스템보다 높은 성능을 보인다.

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The Future of Quantum Information: Challenges and Vision

  • Kim, Dohyun;Kang, Jungho;Kim, Tae Woo;Pan, Yi;Park, Jong Hyuk
    • Journal of Information Processing Systems
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    • v.17 no.1
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    • pp.151-162
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    • 2021
  • Quantum information has passed the theoretical research period and has entered the realization step for its application to the information and communications technology (ICT) sector. Currently, quantum information has the advantage of being safer and faster than conventional digital computers. Thus, a lot of research is being done. The amount of big data that one needs to deal with is expected to grow exponentially. It is also a new business model that can change the landscape of the existing computing. Just as the IT sector has faced many challenges in the past, we need to be prepared for change brought about by Quantum. We would like to look at studies on quantum communication, quantum sensing, and quantum computing based on quantum information and see the technology levels of each country and company. Based on this, we present the vision and challenge for quantum information in the future. Our work is significant since the time for first-time study challengers is reduced by discussing the fundamentals of quantum information and summarizing the current situation.