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PUBLICATION LIST


Journal

  1. Ryong Lee, Shoko Wakamiya, and Kazutoshi Sumiya
    "Urban Area Characterization based on Crowd Behavioral Lifelogs over Twitter"
    Personal and Ubiquitous Computing: Volume 17, Issue 4 (2013), pp. 605-620, April 2013 (Online first March 2012). [Link] [PDF]
  2. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Looking into Socio-cognitive Relations between Urban Areas based on Crowd Movements Monitoring with Twitter"
    DBSJ Journal, Vol. 11, No. 2, pp. 19-24, October 2012. [PDF]
  3. Ryong Lee, Shoko Wakamiya, and Kazutoshi Sumiya
    "Discovery of Unusual Regional Social Activities using Geo-tagged Microblogs"
    World Wide Web (WWW) Special Issue on Mobile Services on the Web, Volume 14, Number 4, pp. 321-349, March 2011. [Link] [PDF]
  4. Shoko Wakamiya, Daisuke Kitayama, and Kazutoshi Sumiya
    "Scene Extraction System for Video Clips using Attached Comment Interval and Pointing Region"
    Multimedia Tools and Applications, Volume 54, Number 1, pp. 7-25, May 2010. [Link] [PDF]


International Conference/Workshop

  1. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Social-Urban Neighborhood Search based on Crowd Footprints Network"
    The 5th International Conference on Social Informatics (SocInfo2013), Kyoto, Japan, November 25-27, 2013 (to appear)
  2. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Crowd-sourced Cartography: Measuring Socio-cognitive Distance for Urban Areas based on Crowd's Movement"
    Proc. of the 4th International Workshop on Location-Based Social Networks (LBSN 2012), pp. 935-942, Pittsburgh, Pennsylvania, USA, Sep. 8, 2012. (Full paper acceptant rate: 31.6% (= 6/19)) BEST STUDENT PAPER AWARD [Link] [PDF]
  3. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Measuring Crowd-sourced Cognitive Distance between Urban Clusters with Twitter for Socio-cognitive Map Generation"
    Proc. of the Fourth International Conference on Emerging Databases-Technologies, Applications, and Theory (EDB 2012), pp. 181-192, Seoul, Korea, Aug. 25, 2012. [BEST PAPER AWARD] [PDF]
  4. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Exploring Reflection of Urban Society through Cyber-Physical Crowd Behavior on Location-based Social Network"
    Proc. of 3rd International Workshop for Social Network and Social Web Mining (SNSM2012), pp. 168-179, Busan, Korea, Apr. 15, 2012. [Link] [PDF]
  5. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Crowd-sourced Urban Life Monitoring: Urban Area Characterization based Crowd Behavioral Patterns from Twitter"
    Proc. of the 6th International Conference on Ubiquitous Information Management and Communication (ICUIMC2012), pp. 26:1-26:9, Kuala Lumpur, Malaysia, Feb. 20-22, 2012. (Paper acceptant rate: less than 25.0%) [Link] [PDF]
  6. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Crowd-based Urban Characterization: Extracting Crowd Behavioral Patterns in Urban Areas from Twitter"
    Proc. of 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks (LBSN 2011), pp. 77-84, Chicago, Illinois, USA, Nov. 1, 2011. (Full paper acceptant rate: 38.5% (= 10/26)) [BEST STUDENT PAPER AWARD] [Link] [PDF]
  7. Ryong Lee, Shoko Wakamiya, and Kazutoshi Sumiya
    "Development of Twitter-based Socio-Geographic Events Detection System"
    Microsoft Research Japan CORE Project Workshop 2011 Poster Session, Beijing, China, May 31, 2011.
  8. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Urban Area Characterization Based on Semantics of Crowd Activities in Twitter"
    Proc. of Fourth International Conference on Geospatial Semantics (GeoS 2011), Lecture Notes in Computer Science, 2011, Volume 6631, pp. 108-123, Brest, France, May 12, 2011. [Link] [PDF]
  9. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Crowd-powered TV Viewing Rates: Measuring Relevancy between Tweets and TV Programs"
    Proc. of the 2nd International Workshop on Social Networks and Social Media Mining on the Web (SNSMW 2011), Lecture Notes in Computer Science, 2011, Volume 6637, pp. 390-401, Hong Kong, Apr. 22, 2011. [Link] [PDF]
  10. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Towards Better TV Viewing Rates: Exploiting Crowd's Media Life Logs over Twitter for TV Rating"
    Proc. of 5th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2011), pp. 39:1-39:10, Soul, Korea, Feb. 22, 2011. (Paper acceptant rate: less than 25.0%) [Link] [PDF]
  11. Shoko Wakamiya, Daisuke Kitayama, and Kazutoshi Sumiya
    "Scene Extraction for Video Clips based on the Relation of Text, Pointing Region and Temporal Duration of User Comments"
    Proc. of 3rd International Workshop on Management and Interaction with Multimodal Information Content (MIMIC 2009), pp. 289-294, Linz, Austria, Sep. 2009. [Link] [PDF]


Technical Reports

  1. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Analyzing Distortion of Geo-social Proximity using Massive Crowd Moving Logs over Twitter"
    Proc. of the 4th Social Computing Symposium (SoC2013), pp. 23-28, Tokyo, June 22, 2013
  2. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Socio-Cognitive Urban Cartography with SNS-based Crowd's Movement"
    DBSJ, IPSJ SIGDBS, IEICE DE The 4th International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2012), Nagoya University, August 1, 2012 (closed workshop)
  3. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Social Cognitive Map Generation based on Crowd's Movement over Twitter"
    Proc. of the 3rd Social Computing Symposium (SoC2012), pp.49-54, Tokyo, June 23, 2012 (poster)
  4. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Crowd-based Image of City: Urban Area Characterization through Geographic Regularity over Twitter"
    DBSJ, IPSJ SIGDBS, IEICE DE The 3rd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2011), pp. 128-137, Ritsumeikan University, August 1, 2011 (closed workshop)
  5. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Urban Area Characterization by Analyzing Crowd Activities in Twitter"
    Proc. of the 2nd Social Computing Symposium (SoC2011), pp. 27, Tokyo, Japan, June 2011 (poster)
  6. Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
    "Twitter-based TV Audience Behavior Estimation for Better TV Ratings"
    The 5th Forum on Data Engineering and Information Management (DEIM2010), A1-4, Shizuoka, Japan, February 2010
  7. Shoko Wakamiya and Kazutoshi Sumiya
    "Video Scene Retrieval Method Using Attached User Comments Based on Automatic Query Expansion"
    DBSJ, IPSJ SIGDBS, IEICE DE The 2nd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2010), pp.23-29, 2010年8月 (closed workshop)
  8. Shoko Wakamiya, Daisuke Kitayama, and Kazutoshi Sumiya
    "Scene Extraction for Shared Video based on the Relation of Text, Pointing Region and Temporal Duration of User Comments"
    The 4th Forum on Data Engineering and Information Management (DEIM2009), E9-3, Shizuoka, Japan, March 2009



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