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Dive into the research topics where Yeonwoo Kim is active.

Publication


Featured researches published by Yeonwoo Kim.


The Journal of the Korea Contents Association | 2017

Trust Discrimination Scheme Considering Limited Resources in Mobile P2P Environments

Minwoong Choi; Geonsik Ko; Hyeonnwook Jeon; Yeonwoo Kim; Jongtae Lim; Kyoungsoo Bok; Jaesoo Yoo

모바일 P2P환경에서 제한적인 자원을 고려한 신뢰성 판별 기법 Trust Discrimination Scheme Considering Limited Resources in Mobile P2P Environments 최민웅, 고건식, 전현욱, 김연우, 임종태, 복경수, 유재수 충북대학교 빅데이터학과, 충북대학교 정보통신공학과 Minwoong Choi([email protected]), Geonsik Ko([email protected]), Hyeonnwook Jeon([email protected]), Yeonwoo Kim([email protected]), Jongtae Lim([email protected]), Kyoungsoo Bok([email protected]), Jaesoo Yoo([email protected]) 요약


The Journal of the Korea Contents Association | 2016

In-Memory Based Incremental Processing Method for Stream Query Processing in Big Data Environments

Kyoungsoo Bok; Misun Yook; Yeonwoo Noh; Jieun Han; Yeonwoo Kim; Jongtae Lim; Jaesoo Yoo

최근 대용량의 스트림 데이터를 분산 처리하기 위한 연구들이 진행되고 있다. 본 논문에서는 빅데이터 환경에서 실시간 스트림 데이터의 점진적 처리 기법을 제안한다. 제안하는 기법은 처음 스트림 데이터가 입력되면 임시 큐에 데이터를 저장하고 마스터 노드에 저장되어 데이터와 비교과정을 통해 마스터 노드에 동일한 데이터가 있는 경우 마스터 노드에서 가지고 있는 노드의 정보를 이용하여 해당 노드의 메모리에서 기존 처리 결과를 재사용한다. 기존 처리 결과가 없다면 처리하고 처리 결과를 메모리에 저장한다. 분산 환경에서 점진적인 스트리밍 데이터 처리를 위해 노드의 작업 지연을 계산하여 노드의 부하를 파악하고 처리 시간 계산을 통해 각 노드의 성능을 고려한 잡 스케쥴링 기법을 제안한다. 제안하는 기법의 우수성을 보이기 위해 기존 기법과의 질의 수행 시간 비교를 위한 성능평가를 수행한다.


The Journal of the Korea Contents Association | 2016

User Influence Discrimination Scheme Using Activity Analysis in Social Networks

Yunjeong Park; Seohee Lee; Jinsu Han; Yeonwoo Noh; Jongtae Lim; Yeonwoo Kim; Kyongsoo Bok; Jaesoo Yoo

A user influence discrimination scheme using big data from social networks is needed. In this thesis, we propose a user influence discrimination scheme considering reliability in social networks. The proposed scheme measures reliability scores through social activities and simplifies a social network by collecting only reliable users. It also derives user influence by considering direct and indirect influences that depends on network degree between users. As a result, the proposed scheme improves the expandability of the user influence. In order to show the superiority of the proposed scheme, we compare it with the existing scheme through performance evaluations in terms of reliability and user influence.


Multimedia Tools and Applications | 2017

An efficient MapReduce scheduling scheme for processing large multimedia data

Kyoungsoo Bok; Jaemin Hwang; Jongtae Lim; Yeonwoo Kim; Jaesoo Yoo


Ksii Transactions on Internet and Information Systems | 2017

User Reputation computation Method Based on Implicit Ratings on Social Media

Kyoungsoo Bok; Jin-Kyung Yun; Yeonwoo Kim; Jongtae Lim; Jaesoo Yoo


The Journal of the Korea Contents Association | 2017

Design and Implementation of a Flood Disaster Safety System Using Realtime Weather Big Data

Yeonwoo Kim; Byounghoon Kim; Geonsik Ko; Minwoong Choi; Heesub Song; Gihoon Kim; Seunghun Yoo; Jongtae Lim; Kyungsoo Bok; Jaesoo Yoo


한국콘텐츠학회 ICCC 논문집 | 2016

Disaster Safety System Based on Big Data Analysis

Yeonwoo Kim; Byounghoon Kim; Geonsik Ko; Minwoong Choi; Heesub Song; Gihoon Kim; Seunghun Yoo; Jongtae Lim; Kyungsoo Bok; Jaesoo Yoo


한국콘텐츠학회 ICCC 논문집 | 2016

Design of an Archiving System Architecture for Large Science Data

Jongtae Lim; Indeok Seo; Heesub Song; Seunghun Yoo; Jaeyun Jeong; Jungkwon Cho; Aniruddha Paul; Geonsik Ko; Byounghoon Kim; Yunjeong Park; Jinwoo Song; Seohee Lee; Hyeonwook Jeon; Minwoong Choi; Yeonwoo Noh; Dojin Choi; Yeonwoo Kim; Kyoungsoo Bok; Jeonghoon Lee; Jaesoo Yoo


KIISE Transactions on Computing Practices | 2016

An Event Recommendation Scheme Using User Preference and Collaborative Filtering in Social Networks

Kyoungsoo Bok; Suji Lee; Yeonwoo Noh; Minsoo Kim; Yeonwoo Kim; Jongtae Lim; Jaesoo Yoo


한국콘텐츠학회 종합학술대회 논문집 | 2015

Disaster and Safety Map Services Using Real Time Big Data Analysis

Jongtae Lim; Yeonwoo Kim; Byounghoon Kim; Geonsik Ko; Minwoong Choi; Gihoon Kim; Seunghun Yoo; Heesub Song; Kyoungsoo Bok; Yukuo Hayashida; Jaesoo Yoo

Collaboration


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Jaesoo Yoo

Chungbuk National University

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Jongtae Lim

Chungbuk National University

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Kyoungsoo Bok

Chungbuk National University

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Geonsik Ko

Chungbuk National University

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Yeonwoo Noh

Chungbuk National University

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Byounghoon Kim

Chungbuk National University

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Dojin Choi

Chungbuk National University

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Jaemin Hwang

Chungbuk National University

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Jaeyun Jeong

Chungbuk National University

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Jin-Kyung Yun

Chungbuk National University

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