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515 results on '"Shim, Kyuseok"'

501. Fast Pattern Selection for Support Vector Classifiers

Author

Shin, Hyunjung, Cho, Sungzoon, Goos, G., editor, Hartmanis, J., editor, van Leeuwen, J., editor, Carbonell, J. G., editor, Siekmann, J., editor, Whang, Kyu-Young, editor, Jeon, Jongwoo, editor, Shim, Kyuseok, editor, and Srivastava, Jaideep, editor

Published
2003
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507. Reducing Rule Covers with Deterministic Error Bounds

Author

Pudi, Vikram, Haritsa, Jayant R., Goos, G., editor, Hartmanis, J., editor, van Leeuwen, J., editor, Carbonell, J. G., editor, Siekmann, J., editor, Whang, Kyu-Young, editor, Jeon, Jongwoo, editor, Shim, Kyuseok, editor, and Srivastava, Jaideep, editor

Published
2003
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509. Data Mining as an Automated Service

Author

Bradley, P. S., Goos, G., editor, Hartmanis, J., editor, van Leeuwen, J., editor, Carbonell, J. G., editor, Siekmann, J., editor, Whang, Kyu-Young, editor, Jeon, Jongwoo, editor, Shim, Kyuseok, editor, and Srivastava, Jaideep, editor

Published
2003
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510. Power Conservation in Large-Scale Storage Systems

Author

Cao, Qiang, Xie, Changsheng, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Gao, Yunjun, editor, Shim, Kyuseok, editor, Ding, Zhiming, editor, Jin, Peiquan, editor, Ren, Zujie, editor, Xiao, Yingyuan, editor, Liu, An, editor, and Qiao, Shaojie, editor

Published
2013
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511. A Scalable, Continuously Available Database System Based on Commodity Hardware

Author

Yang, Zhenkun, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Gao, Yunjun, editor, Shim, Kyuseok, editor, Ding, Zhiming, editor, Jin, Peiquan, editor, Ren, Zujie, editor, Xiao, Yingyuan, editor, Liu, An, editor, and Qiao, Shaojie, editor

Published
2013
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514. Stranger danger

Author

Christopher Kruegel, Wouter Joosen, Gianluca Stringhini, Stefano Zanero, Nick Nikiforakis, Federico Maggi, Giovanni Vigna, M. Zubair Rafique, Frank Piessens, Chung, Chin-Wan, Broder, Andrei Z, Shim, Kyuseok, and Suel, Torsten

Subjects
HTML5, malware, Computer science, business.industry, Internet privacy, advertising, iframe, short URLs, Space (commercial competition), computer.software_genre, URL shortening, Malware, business, computer
Abstract

URL shortening services facilitate the need of exchanging long URLs using limited space, by creating compact URL aliases that redirect users to the original URLs when followed. Some of these services show advertisements (ads) to link-clicking users and pay a commission of their advertising earnings to link-shortening users. In this paper, we investigate the ecosystem of these increasingly popular ad-based URL shortening services. Even though traditional URL shortening services have been thoroughly investigated in previous research, we argue that, due to the monetary incentives and the presence of third-party advertising networks, ad-based URL shortening services and their users are exposed to more hazards than traditional shortening services. By analyzing the services themselves, the advertisers involved, and their users, we uncover a series of issues that are actively exploited by malicious advertisers and endanger the users. Moreover, next to documenting the ongoing abuse, we suggest a series of defense mechanisms that services and users can adopt to protect themselves. ispartof: pages:51-62 ispartof: Proceedings of the 23rd International World Wide Web Conference (WWW 2014) pages:51-62 ispartof: World Wide Web Conference location:Seoul, Korea date:7 Apr - 11 Apr 2014 status: published

Published
2014

515. Local and transboundary impacts of PM 2.5 sources identified in Seoul during the early stage of the COVID-19 outbreak.

Author

Kim Y, Jeon K, Park J, Shim K, Kim SW, Shin HJ, Yi SM, and Hopke PK

Abstract

Countries in Northeast Asia have been regulating PM 2.5 sources and studying their local and transboundary origins since PM 2.5 causes severe impacts on public health and economic losses. However, the separation of local and transboundary impacts is not fully realized because it is impossible to change air pollutant emissions from multiple countries experimentally. Exceptionally, the early stage of the COVID-19 outbreak (January-March 2020) provided a cross-country experiment to separate each impact of PM 2.5 sources identified in Seoul, a downwind area of China. We evaluated the contributions of PM 2.5 sources compared to 2019 using dispersion normalized positive matrix factorization (DN-PMF) during three meteorological episodes. Episodes 1 and 2 revealed transboundary impacts and were related to reduced anthropogenic emissions and accumulated primary pollutants in Northeast China. Anthropogenic emissions, except for the residential sector, decreased, but primary air pollutants accumulated by residential coal combustion enhanced secondary aerosol formation. Thus, the contributions of sulfate and secondary nitrate increased in Seoul during episode 1 but then decreased maximally with other primary sources (biomass burning, district heating and incineration, industrial sources, and oil combustion) during episode 2 under meteorological conditions favorable to long-range transport. Local impact was demonstrated by atmospheric stagnation during episode 3. Meteorological condition unfavorable to local dispersion elevated the contributions of mobile and coal combustion and further contributed to PM 2.5 high concentration events (HCE). Our study separates the local and transboundary impacts and highlights that cooperations in Northeast Asia on secondary aerosol formation and management of local sources are necessary., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2022 Turkish National Committee for Air Pollution Research and Control. Production and hosting by Elsevier B.V. All rights reserved.)

Published
2022
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