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Chaehyun Lee

Chaehyun.jpg

Email : xlos21 _at_ gmail.com

Education

Sep. 2005 - Feb. 2008 POSTECH, Pohang, Korea
Mar. 2002 - Aug. 2005 POSTECH, Pohang, Korea
Mar. 2000 - Feb. 2002 Shinjung High School, Ulsan, Korea
  • Early graduation

Work and Research Experience

Oct. 2011 – present SK planet, Seoul, Korea
  • Software Engineer in Platform R&D Office
  • Implement various machine learning algorithms on Hadoop map-reduce framework
Jan. 2010 - Sep. 2011 NHN, Seongnam, Korea
  • Software Engineer in Search Development Center
  • Research on a Web Crawling Robot, especially a Crawler Trap and a Near Duplicate Document Detection
Feb. 2008 - Dec. 2009 LG Telecom, Seoul, Korea
  • Assistant Manger in Next Generation Service Technology Team
Jun. 2007 - Nov. 2007 NASA Ames Research Center, CA, US
Jun. 2004 Samsung Fire & Marine Insurance Co., LTD, Seoul, Korea
  • Summer intern
  • Worked in Internet Service Part
  • Implemented a flash game down

Publications

  1. Chaehyun Lee, Bernard D. Adelstein, and Seungmoon Choi, "Haptic Weather," In Proceedings of the Symposium on Haptic Interfaces for Virtual Environments and Teleoperator Systems, pp. 473-474, 2008. [pdf]
  2. Chaehyun Lee, Min Sik Hong, In Lee, Oh Kyu Choi, Kyung-Lyong Han, Yoo Yeon Kim, Seungmoon Choi, and Jin S. Lee, "Mobile Haptic Interface for Large Immersive Virtual Environments: PoMHI v0.5," In Poster and Demo Proceedings of the 2nd International Workshop on Haptic and Audio Interaction Design, pp. 7-8, 2007. [pdf]
  3. Chaehyun Lee, Min Sik Hong, In Lee, Oh Kyu Choi, Kyung-Lyong Han, Yoo Yeon Kim, Seungmoon Choi, and Jin S. Lee, "Mobile Haptic Interface for Large Immersive Virtual Environments: PoMHI v0.5," In Proceedings of the 4th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), pp. 106-111, 2007 [pdf]
  4. 이채현, 홍민식, 이인, 최오규, 한경룡, 김유연, 최승문, 이진수, "대형 가상환경을 위한 이동형 햅틱 인터페이스: PoMHI v0.5", 로봇공학회 논문지, 3권 2호, pp. 137-145, 2008 (초청논문). [pdf]
  5. 정재훈, 황인욱, 이인, 이채현, 박건혁, 황재인, 최승문, 김정현, "동작기반의 체험형 리모트 콘트롤", 한국 HCI 학술대회 논문집, pp. 115-122, 2007. [pdf]
  6. 이채현, 이인, 최승문, "이동형 햅틱 디스플레이를 위한 동작 계획", 한국 HCI 학술대회 논문집, pp. 578-584, 2007. [pdf]

Documents

  • nutch introduction [pdf] (in Korean) 2011. 07. 20

Tips

Patents

Contents

2012

  1. Chaehyun Lee; Contents recommendation system and contents recommendation method; Korea Patent No. 10-2012-0068127; 2012/06/25
  2. Chaehyun Lee, Min-soeng Kim, Junseoup Lee; System and method for analyzing cluster result of mass data ; Korea Patent No. 10-2012-0035995; 2012/04/06

2011

  1. Chaehyun Lee, Seungsoo Lee; System and method for calculating move necessary time considering waiting time; Japanese Patent Application No. 2011-142156; 2011/06/27
  2. Chaehyun Lee, Dongyoon Sim; Method, device and computer readable recording medium for improvded detection of similar documents; Korea Patent No. 10-2011-0042303; 2011/05/04
  3. Dongyoon Shim, Chaehyun Lee; Method, system and computer-readable storage medium for detecting trap of web-based perpetual calendar and building retrieval database using the same; Japanese Patent Application No. 2011-086114; 2011/04/08
  4. Chaehyun Lee; Method, device and computer readable recording medium for providing search results; Korea Patent No. 10-2011-0028687; 2011/3/30
  5. Chaehyun Lee; Method, device and computer readable recording medium for providing classification with respect to user input; Korea Patent No. 10-2011-0019394; 2011/03/04
  6. Chaehyun Lee; Method, system and computer readable recording medium for providing search results ; Korea Patent No. 10-2011-0000240; 2011/01/03

2010

  1. Chaehyun Lee; Recommendation system using collective intelligence and method thereof; Korea Patent No. 10-2010-0108755; 2010/11/03
  2. Chaehyun Lee; Method and system to search and provide shopping postscript; Korea Patent No. 10-2010-0105676; 2010/10/28
  3. Byounghak Kim , Chaehyun Lee; System and method for Recommending locality-based keyword; Korea Patent No. 10-2010-0103946; 2010/10/25
  4. Chaehyun Lee, Seungsoo Lee; System and method for calculating move necessary time considering waiting time; Korea Patent No. 10-2010-0062820; 2010/06/30
  5. Dongyoon Shim, Chaehyun Lee; Method, system and computer readable recording medium for detecting web page traps based on perpectual calendar and building the search database using the same ; Korea Patent No. 10-2010-0060991; 2010/06/28; US patent 13/152,017 (2011.06.02)

2009

  1. Chaehyun Lee ; DTMF Signal Transmission Mobile Communication Terminal by Motion Sensing and Method Thereof; Korea Patent No. 10-2009-0080939 ; 2009/08/31
  2. Chaehyun Lee, Jungyoon Baek, Haesong Lee ;System and method for providing morning call service; Korea Patent No. 10-2009-0077658 ; 2009/08/21
  3. Chaehyun Lee ; Method And System For Reproducing Moving Picture Using Haptic Effect In Mobile Communication Unit, And The Mobile Communication Unit ; Korea Patent No. 10-2009-0042113 ; 2009/05/14
  4. Chaehyun Lee ; System And Method For Supporting Multi-Tap In Mobile Internet Browser ; Korea Patent No. 10-2009-0041088 ; 2009/05/12
  5. Chaehyun Lee ; Method And System For Supporting Flash File ; Korea Patent No. 10-2009-0034081 ; 2009/04/20

2008

  1. Chaehyun Lee ; Method Of Adjusting Mobile Browser Screen For Providing Optimized Webpage And Mobile Terminal Is App ; Korea Patent No. 10-2008-0122586 ; 2008/12/04
  2. Chaehyun Lee, Jihoon Lee ; Method And System For Loading Wep Page ; Korea Patent No. 10-2008-0114741 ; 2008/11/18
  3. Chaehyun Lee ; Mobile Web Service System And Method For Supporting Contents File Of Plug-In Type In The Same ; Korea Patent No. 10-2008-0102908 ; 2008/10/21
  4. Chaehyun Lee ,Jihoon Lee ; System And Method For Web Accelerating Service Using Cache For Subscriber ; Korea Patent No. 10-2008-0093119 ; 2008/09/23
  5. Chaehyun Lee ; Method And System For Providing Moving Picture File ; Korea Patent No. 10-2008-0085045 ; 2008/08/29
  6. Chaehyun Lee, Kibum Kwon ; Method And System For Providing Web Service In Mobile Communication Unit ; Korea Patent No. 10-2008-0082191 ; 2008/08/22 [Detail..]
  7. Chaehyun Lee ; System And Method For Interlocking E-Mail Service In Mobile Internet Browser ; Korea Patent No. 10-2008-0077388 ; 2008/08/07
  8. Chaehyun Lee, Haesung Lee ; Portable Terminal And User Interface Method Thereof ; Korea Patent No. 10-2008-0064457 ; 2008/07/03
  9. Chaehyun Lee, Jihoon Lee ; Method And System For Providing Javascript File ; Korea Patent No. 10-2008-0057724 ; 2008/06/19
  10. Chaehyun Lee ; Method And System For Indicating Discrimination Of Attaching File ; Korea Patent No. 10-2008-0076985 ; 2008/08/06
  11. Chaehyun Lee, Kibum Kwon ; System And Method For Managing Image Transmission Volume Of Web Viewer ; Korea Patent No. 10-2008-0048924 ; 2008/05/27
  12. Chaehyun Lee ; Web Viewer Server Producing Capture Image Of Web Page Variably, And Web Viewer Service System Using ; Korea Patent No. 10-2008-0052460 ; 2008/06/04
  13. Chaehyun Lee ; Method For Connecting Portable Terminal Using Replay Server ; Korea Patent No. 10-2008-0044296 ; 2008/05/14 [Detail..]
  14. Chaehyun Lee ; Method For Changing Text ; Korea Patent No. 10-2008-0039275 ; 2008/04/28 [Detail..]
  15. Chaehyun Lee, Jihoon Lee; System For Sharing Internet Page And Control Method Thereof; Korea Patent No. 10-2008-0029053 [Detail..]
  16. Chaehyun Lee, Jihoon Lee; System and Method for Providing Internet Web Page by Generating Mobile Connect Address; Korea Patent No.10-2008-0029052 [Detail..]
  17. Chaehyun Lee; Worm Detection Method and Apparatus Using ARP Packet; Filed in USA on August 17, 2006 (Application no. 11465391)
  18. Chaehyun Lee; Worm Virus Detection Method and Apparatus Using ARP Packet; Korea Patent No.10-2005-0076743; 2008/03/28

Projects

Preriod Name
2010. 03 EasyDictionary
2010. 02 Naver Ranking News RSS
2009. 11 - 2009. 12 Korea Subway Positioning System
2009. 04 - present WiFi Positioning System
2008. 03 - 2009. 07 OZMap, mobile map service optimized for mobile internet browsers
2009. 01 - 2009. 04 World Fastest Mobile Browser on Windows Mobile
2008. 05 - 2008. 12 World Fastest Mobile Browser on WIPI
2006. 03 - 2007. 05 Mobile Haptic Interface
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