Overview
In the Information Media Laboratory, you can find valuable information about our main research techniques and methods focusing on communications and broadcasting with next generation information infrastructure by using information media such as Internet and Web.
Journal Papers
An E-commerce Recommender System Using Measures of Specialty Shops
Daisuke Kitayama, Motoki Zaizen and Kazutoshi Sumiya
Transactions on Engineering Technologies, Springer, January 2015 (to appear)
Extracting Naming Concepts by Analyzing Recipes and the Modifiers in Their Titles
Shoko Wakamiya, Yukiko Kawai, Hidetsugu Nanba and Kazutoshi Sumiya
Transactions on Engineering Technologies, Springer, January 2015 (to appear)
iPoster: Interactive Poster Generation based on Topic Structure and Slide Presentation
Yuanyuan Wang, Yukiko Kawai and Kazutoshi Sumiya
Transactions of the Japanese Society for Artificial Intelligence, Vol. 30, No. 1, SP1-X, pp. xx-xx, January 2015（to appear）
Exploring Geospatial Cognition based on Location-based Social Network Sites
Ryong Lee, Shoko Wakamiya, Kazutoshi Sumiya
World Wide Web, pp. 1-26, June 2014
A Method for Generating Presentation Slides based on Expression Styles using Document Structure
Yuanyuan Wang and Kazutoshi Sumiya
International Journal of Knowledge and Web Intelligence, Vol. 4, No.1, pp. 93-112, 2013
Looking into Socio-cognitive Relations between Urban Areas based on Crowd Movements Monitoring with Twitter
Shoko Wakamiya, Ryong Lee, Kazutoshi Sumiya
DBSJ Journal, Vol. 11, No. 2, pp. 19-24, October 2012
Analyzing Effective Features based on User Intention for Enhanced Map Search
Junki Matsuo, Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Journal of Software (JSW), Volume 7, Number 6, pp. 1393-1402, June 2012
Urban area characterization based on crowd behavioral lifelogs over Twitter
Ryong Lee, Shoko Wakamiya and Kazutoshi Sumiya
Personal and Ubiquitous Computing, Volume 17, Issue 4 (2013), pp. 605-620, April 2013 (Online first March 2012)
Geographical Recommender System using User's Interest Model based on Map Operation and Category Selection
Kenta Oku, Rika Kotera, Daisuke Kitayama, Kazutoshi Sumiya
International Journal of Handheld Computing Research (IJHCR), Vol. 3, No. 3, pp. 1-16, September, 2012
A Browsing Method for Presentation Slides Based on Semantic Relations and Document Structure for e-Learning
Yuanyuan Wang and Kazutoshi Sumiya
Journal of Information Processing, Vol. 20, No. 1, pp. 11-25, December 2011
Discovery of Unusual Regional Social Activities using Geo-tagged Microblogs
Ryong Lee, Shoko Wakamiya and Kazutoshi Sumiya
World Wide Web (WWW) Special Issue on Mobile Services on the Web, Volume 14, Number 4, pp. 321-349, March 2011
Scene Extraction System for Video Clips using Attached Comment Interval and Pointing Region
Shoko Wakamiya, Daisuke Kitayama and Kazutoshi Sumiya
Multimedia Tools and Applications, Volume 54, Number 1, pp. 7-25, May 2010
Conference Papers
A Students' Mutual Evaluation Method for their Reports using PageRank Algorithm
Yuanyuan Wang, Yukiko Kawai, Setsuko Miyamoto and Kazutoshi Sumiya
Proc. of the 22nd International Conference on Computers in Education (ICCE 2014), pp. xx-xx, Nara, Japan, November 2014 (to appear)
Crowd-sourced Prediction of Pedestrian Congestion for Bike Navigation Systems
Shoko Wakamiya, Yukiko Kawai, Hiroshi Kawasaki, Ryong Lee, Kazutoshi Sumiya and Toyokazu Akiyama
Proc. of the 5th ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS 2014), pp. xx-xx, Dallas, Texas, USA, November 2014 (to appear)
TWinChat: A Twitter and Web User Interactive Chat System
Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama and Kazutoshi Sumiya
Proc. of the 23rd ACM International Conference on Information and Knowledge Management (CIKM 2014), pp. xx-xx, Shanghai, China, November 2014 (to appear)
Location-based Microblog Viewing System Synchronized with Web Pages
Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama and Kazutoshi Sumiya
Proc. of the 1st International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), pp. 70-75, Nara, Japan, October 2014
Construction of a Cooking Ontology from Cooking Recipes and Patents
Hidetsugu Nanba, Yoko Doi, Miho Tsujita, Toshiyuki Takezawa and Kazutoshi Sumiya
Proc. of Workshop on Smart Technology for Cooking and Eating Activities (CEA2014), pp. 507-516, Seattle, Washington, USA, September 2014
A Route Recommender System based on Difference of User's Sojourn Time on Sightseeing Spots
Daisuke Kitayama, Keisuke Ozu, Shinsuke Nakajima and Kazutoshi Sumiya
Proc. of the 2nd International Symposium on Applied Computing and Information Technology (ACIT 2014), pp. xx-xx, Kitakyushu, Japan, September 2014 (to appear)
[September 2014 ACIT2013 Best Paper]
An Exploratory Search for Presentation Contents based on Slide Semantic Structure
Yuanyuan Wang, Yukiko Kawai and Kazutoshi Sumiya
Proc. of the 26th International Conference on Software Engineering and Knowledge Engineering (SEKE 2014), pp. 665-670, Vancouver, Canada, July 2014
Automatic Street View System Synchronized with TV Program using Geographical Metadata from Closed Captions
Yuanyuan Wang, Daisuke Kitayama, Yukiko Kawai and Kazutoshi Sumiya
Proc. of the 12th ACM International Working Conference on Advanced Visual Interfaces (AVI 2014), pp. 383-384, Como, Italy, May 2014
Will Mail-Based Disaster Information Work Well? : A Case Study in Japan
Kota Tomoyasu, Yuanyuan Wang, Reo Kimura and Kazutoshi Sumiya
Proc. of the 7th International KES Conference on Intelligent Interactive Multimedia Systems and Services (KES-IIMSS 2014), pp. 293-303, Chania, Greece, June 18-20, 2014
Extracting Characteristics of Items Based on Patterns in Recommendation Graphs
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 2014 IAENG International Conference on Data Mining and Applications (ICDMA 2014), pp. 332-336, Hong Kong, March 12-14, 2014
Route Recommendation Method Based on Driver's Intention Estimation Considering the Route Selection When Using the Car Navigation
Keisuke Hamada, Shinsuke Nakajima, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 2014 IAENG International Conference on Data Mining and Applications (ICDMA 2014), pp. 383-388, Hong Kong, March 12-14, 2014
Extraction of Naming Concepts Based on Modifiers in Recipe Titles
Akiho Tachibana, Shoko Wakamiya, Hidetsugu Nanba and Kazutoshi Sumiya
Proc. of the 2014 IAENG International Conference on Internet Computing and Web Services (ICICW 2014), pp. 507-512, Hong Kong, March 12-14, 2014
[March 2014, Certificate of Merit (Student) for The 2014 IAENG International Conference on Internet Computing and Web Services]
An E-commerce Recommender System Based on Degree of Specialties in Online Shops
Motoki Zaizen, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 2014 IAENG International Conference on Internet Computing and Web Services (ICICW 2014), pp. 492-496, Hong Kong, March 12-14, 2014
[March 2014, Certificate of Merit (Student) for The 2014 IAENG International Conference on Internet Computing and Web Services]
Social-Urban Neighborhood Search based on Crowd Footprints Network
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 5th International Conference on Social Informatics (SocInfo2013), pp. 429-442, Kyoto, Japan, November 25-27, 2013
[November 2013, SocInfo2013 Best Paper Runner-up]
iPoster: A Collaborative Browsing Platform for Presentation Slides based on Semantic Structure
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 1st Workshop of Quality, Motivation and Coordination of Open Collaboration (QMC 2013), pp. 29-42, Kyoto, Japan, November 25, 2013
Dynamic Word Clouds: Context-based Word Clouds of Presentation Slides for Quick Browsing
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 6th International Conference on Intelligent Interactive Multimedia Systems and Services (KES IIMSS 2013), pp. 108-117, Sesimbra, Portugal, June 16-28, 2013
Extracting Relations among Search Properties Based on Operational Contexts on the Geographical Information Retrieval System
Daisuke Kitayama, Junki Matsuo and Kazutoshi Sumiya
Proc. of 4th International Workshop on Social Networks and Social Web Mining (SNSM 2013), LNCS 7827, pp. 179-192. Wuhan, China, April 22, 2013
Extracting Emphatic Degree of Geographical Objects for Searching Suitable Maps
Junki Matsuo, Daisuke Kitayama, and Kazutoshi Sumiya
Proc. of the 6th International Conference on Soft Computing and Intelligent Systems (SCIS 2012), pp. 1708-1712, Kobe, Japan, November 20-24, 2012
Geographical information Search using Estimated Search Criteria based on User Operations
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 6th International Conference on Soft Computing and Intelligent Systems (SCIS 2012), pp. 1713-1719, Kobe, Japan, November 20-24, 2012
Crowd-sourced Cartography: Measuring Socio-cognitive Distance for Urban Areas based on Crowd's Movement
Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
Proc. of the 4th International Workshop on Location-Based Social Networks (LBSN 2012), pp. 935-942, Pittsburgh, Pennsylvania, USA, Sept 8, 2012
[September 2012, LBSN 2012 Best Student Paper Award]
Measuring Crowd-sourced Cognitive Distance between Urban Clusters with Twitter for Socio-cognitive Map Generation
Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
Proc. of the 4th International Conference on Emerging Databases-Technologies, Applications, and Theory (EDB 2012), pp. 181-192, Seoul, Korea, August 23-25, 2012
[August 2012, EDB 2012 Best paper award]
Route Recommendation Method for Car Navigation System based on Estimation of Driver's Intent
Shinsuke Nakajima, Daisuke Kitayama, Yoshitaka Sushita, Kazutoshi Sumiya, Naiwala P. Chandrasiri and Kazunari Nawa
Proc. of the 2012 IEEE International Conference on Vehicular Electronics and Safety (ICVES 2012), pp. 318-323, Istanbul, Turkey, July 24-27, 2012
Skeleton Generation for Presentation Slides based on Expression Styles
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of 5th International Conference on Intelligent Interactive Multimedia Systems and Services (KES IIMSS 2012), SIST 14, pp. 551-560, Gifu, Japan, May 23-25, 2012
Recommender System for Mobile Devices based on Extracting Criteria of Local Search using User's Operation
Kaori Kobayashi, Daisuke Kitayama, Kazutoshi Sumiya
Proc. of the 11th International Working Conference on Advanced Visual Interfaces (AVI 2012), pp. 677-680, Capri Island (Naples), Italy, May 22, 2012
A Deformation Analysis Method for Artificial Maps Based on Geographical Accuracy and Its Applications
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 2nd Joint WICOW/AIRWeb Workshop on Web Quality, pp. 1-8, Lyon, France, April 16, 2012
Exploring Reflection of Urban Society through Cyber-Physical Crowd Behavior on Location-based Social Network
Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
Proc. of 3rd International Workshop for Social Network and Social Web Mining (SNSM 2012), LNCS 7240, pp. 168-179, Busan, Korea, April 15, 2012
Crowd-sourced Urban Life Monitoring: Urban Area Characterization based Crowd Behavioral Patterns from Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 6th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2012), pp. 26:1-26:9, Kuala Lumpur, Malaysia, February 20-22, 2012
Crowd-based Urban Characterization: Extracting Crowd Behavioral Patterns in Urban Areas from Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks (LBSN 2011), pp. 10:1-10:9, Chicago, Illinois, USA, November 1, 2011
[November 2011, LBSN 2011 Best Student Paper Award]
Discovering Atypical Property Values for Object Searches on the Web
Tatsuya Fujisaka, Takayuki Yumoto and Kazutoshi Sumiya
Proc. of International Conference on Web Information Systems and Mining (WISM 2011), LNCS 6988, pp. 103-112, Taiyuan, China, September 24-25, 2011
Hazardous Behavior Detection of Residents with Multi-camera Gates in Nursing Home Corridors
Tetsuya Matsumoto, Hiroyuki Nakamoto, Masanori Goka, Yoichi Kitagawa, Hirofumi Kameyama, Yojiro Kamise, Kiyohiro Omori, Ichiro Kitayama and Kazutoshi Sumiya
Proc. of 11th European Conference for the Advancement of Assistive Technology (AAATE 2011), Maastricht, the Netherlands, August 31 - September 2, 2011
Urban Area Characterization Based on Semantics of Crowd Activities in Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of Fourth International Conference on Geospatial Semantics (GeoS 2011), LNCS 6631, pp. 108-123, Brest, France, May 12, 2011
Crowd-powered TV Viewing Rates: Measuring Relevancy between Tweets and TV Programs
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 2nd International Workshop on Social Networks and Social Media Mining on the Web (SNSMW), LNCS 6637, pp. 390-401, Hong Kong, April 22, 2011
Cinematic Street: Automatic Street View Walk-Through System using Modified Maps
Kaori Kobayashi, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 10th International Symposium on Web & Wireless Geographical Information Systems (W2GIS 2011), pp.142-158, Kyoto, Japan, March 3-4, 2011
Geographical Recommendation Method using User's Interest Model based on Map Operation and Category Selection
Rika Kotera, Daisuke Kitayama, Kenta Oku and Kazutoshi Sumiya
Proc. of the 5th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2011), P3-12, Seoul, Korea, February 21-23, 2011
Towards Better TV Viewing Rates: Exploiting Crowd's Media Life Logs over Twitter for TV Rating
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 5th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2011), 8-2, Seoul, Korea, February 21-23, 2011
Modified Map Search Engine: Geographical Features Extraction for Ranking of Modified Maps
Junki Matsuo, Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of the 5th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2011), P1-18, Seoul, Korea, February 21-23, 2011
Slide KWIC: Snippet Generation for Browsing Slides based on Conceptual Relationship and Presentational Structure
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 9th International Conference on Creating, Connecting and Collaborating through Computing (C5 2011), pp. 40-47, Kyoto, Japan, January 18-20, 2011
Deformation Analysis based on Geographical Accuracy and Spatial Context for Modified Maps Credibility
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of the 44th Hawaii International Conference on System Sciences (HICSS-44), pp. 1-9, Kauai, Hawaii, January 4-7, 2011
Measuring Geographical Regularities of Crowd Behaviors for Twitter-based Geo-social Event Detection
Ryong Lee and Kazutoshi Sumiya
Proc. of 2nd ACM SIGSPATIAL International Workshop on Location Based Social Networks (LBSN'10), November 2010
[November 2010, LBSN 2010 Best Paper Award]
Geographical Recommender System based on Interaction between Map Operation and Category Selection
Kenta Oku, Rika Kotera and Kazutoshi Sumiya
Proc. of International Workshop on Information Heterogeneity and Fusion in Recommender Systems (HetRec 2010), pp. 1-4, Barcelona, Spain, September 2010
Semantic Ranking of Lecture Slides based on Conceptual Relationship and Presentational Structure
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of The 1st Workshop on Recommender Systems for Technology Enhanced Learning (RecSysTEL 2010), pp. 2801-2810, Barcelona, Spain, September 2010
Niche Trend Search for Recommender System based on Knowledgeable Blogger Ranking
Takumi Shihoya, Shinsuke Nakajima, Kazutoshi Sumiya and Youichi Inagaki
Proc. of 2nd Workshops on Recommender Systems and the Social Web (RSweb 2010), pp. 56-59, Barcelona,Spain, September 26, 2010
Measuring Peculiarity of Text using Relation between Words on the Web
Takeru Nakabayashi, Takayuki Yumoto, Manabu Nii, Yutaka Takahashi, and Kazutoshi Sumiya
Proc. of International Conference on Asia-Pacific Digital Libraries (ICADL 2010), LNCS 6102, pp. 112-115, June 2010
Multi-Camera Gates System for Locating Hazardous Motion in Nursing Home Tenants with Cognition Disorder
T. Matsumoto, H. Nakamoto, M. Goka, Y. Kitagawa, H. Kameyama, Y. Kamise, K. Omori, I. Kitayama and K. Sumiya
Proc. of International Society for Gerontechnology 7th World Conference (ISG 2010), May 2010
Development of Multi-Camera Gate for Fall Detection in Nursing Home with Face-Recognition
H. Nakamoto, T. Matsumoto, M. Goka, Y. Kitagawa, H. Kameyama, Y. Kamise, K. Omori, I. Kitayama and K. Sumiya
Proc. of International Society for Gerontechnology 7th World Conference (ISG 2010), May 2010
Pros and Cons of Utilizing Mobile Navigation Systems in Pedestrian Way Finding
Kaori Kobayashi, Ryong Lee and Kazutoshi Sumiya
Proc. of the 6th International Symposium on Web and Mobile Information Services (WAMIS 2010), pp. 395-400, Perth, Australia, April 22 2010
Detection of Unusually Crowded Places through Micro-Blogging Sites
Tatsuya Fujisaka, Ryong Lee and Kazutoshi Sumiya
Proc. of the 6th International Symposium on Web and Mobile Information Services (WAMIS 2010), pp. 467-472, Perth, Australia, April 23 2010
Retrieving System of Presentation Contents based on User's Operations and Semantic Contexts
Daisuke KITAYAMA and Kazutoshi SUMIYA
Proc. of 15th Database Systems for Advanced Applications (DASFAA 2010), pp. 460-463, Ibaraki, Japan, April 2 2010
Measuring Attention Intensity to Web Pages based on Specificity of Social Tags
Takayuki Yumoto and Kazutoshi Sumiya
Proc. of Workshop on Social Networks and Social Media Mining on the Web (SNSMW 2010), pp. 264-273, Ibaraki, Japan, April 4 2010
Monitoring Geo-Social Activities through Micro-Blogging Sites
Tatsuya Fujisaka, Ryong Lee and Kazutoshi Sumiya
Proc. of Workshop on Social Networks and Social Media Mining on the Web (SNSMW 2010), pp. 374-384, Ibaraki, Japan, April 4 2010
Extracting Author Intention from News Articles based on Polarity for Argument Point
Shinya Aoki, Takayuki Yumoto, Kazutoshi Sumiya, Manabu Nii and Yutaka Takahashi
Proc. of International Conference e-Society 2010, Porto, Portugal, March 21 2010
Exploring Urban Characteristics Using the Movement History of Mass Mobile Microbloggers
Tatsuya Fujisaka, Ryong Lee and Kazutoshi Sumiya
Proc. of the 11th Workshop on Mobile Computing Systems and Applications (HotMobile 2010), pp.13-18, Annapolis, Maryland, USA, February 22 2010
Evaluating Credibility of Web Information
Katsumi Tanaka, Hiroaki Ohshima, Adam Jatowt, Satoshi Nakamura,Yusuke Yamamoto, Masatoshi Yoshikawa, Qiang Ma, Yasuhito Asano, Kazutoshi Sumiya, Ryong Lee, Daisuke Kitayama, Takayuki Yumoto, Yukiko Kawai Jianwei Zhang, Shinsuke Nakajima and Yoichi Inagaki
Proc. of 4th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2010), pp.147-156, January 14 2010
Systematic Measurement of Human Map-Reading Ability with Street-View based Navigation Systems
Kaori Kobayashi, Ryong Lee and Kazutoshi Sumiya
Proc. of 4th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2010), pp.286-293, Suwon, Korea, January 15 2010
Discovery of User Behavior Patterns from Geo-tagged Micro-blogs
Tatsuya Fujisaka, Ryong Lee and Kazutoshi Sumiya
Proc. of 4th International Conference on Ubiquitous Information Management and Communication (ICUIMC 2010), pp.246-255, Suwon, Korea, January 14 2010
Automatic Generation of Learning Channels by Using Semantic Relations among Lecture Slides and Recorded Videos for Self-Learning Systems
Yuanyuan Wang, Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of 11th IEEE International Symposium on Multimedia (ISM 2009), pp.275-280, San Diego, California, USA, December 16 2009
Less-Conscious Information Retrieval Techniques for Location Based Services
Kazutoshi Sumiya
Proc. of International Workshop on Location Based Social Networks (LBSN' 09), pp.69-72, Seattle, WA, USA, November 3 2009
Layer-based Media Integration for Mobile Mixed-Reality Applications
Ryong Lee, Yong-Jin Kwon and Kazutoshi Sumiya
Proc. of the 3rd International Conference and Exhibition on Next Generation Mobile Applications, Services And Technologies (NGMAST2009), pp.58-63, Cardiff, Wales, UK, September 16 2009
[September 2009, NGMAST2009 Best Paper Award]
An Estimation Method of Object Existence based on Temporal Analysis of Web Pages for Digital Maps Credibility
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of 3rd International Workshop for Multimedia Data Mining and Management (MDMM2009), pp.261-265, September 1 2009
Scene Extraction for Video Clips based on the Relation of Text, Pointing Region and Temporal Duration of User Comments
Shoko Wakamiya, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of 3rd International Workshop on Management and Interaction with Multimodal Information Content (MIMIC2009), pp.289-294, Linz, Austria, August 31 2009
Geographical Information Retrieval based on User's Operation on both Digital Maps and Directory Services
Rika Kotera, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of 17th International Conference on Geoinformatics, pp.1-6, Fairfax, Virginia, USA, August 13 2009
A Method of Analyzing Credibility based on LOD Control of Digital Maps
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of 3rd Workshop on Information Credibility on the Web (WICOW 2009), pp. 11-18, Madrid, Spain, April 20, 2009
Interoperable Augmented Web Browsing for Exploring Virtual Media in Real Space
Ryong Lee, Daisuke Kitayama, Yong-Jin Kwon and Kazutoshi Sumiya
Proc. of 2nd International Workshop on Location and the Web (LocWeb2009), Boston, MA, USA, April 4 2009
A Scene Extracting Method based on Structural and Semantic Analysis of Presentation Content Archives
Daisuke Kitayama, Akiko Otani and Kazutoshi Sumiya
Proc. of The Seventh International Conference on Creating, Connecting and Collaborating through Computing (C5 2009), pp. 128-135, Kyoto, Japan, January 2009
Converting Topics of User Query Sequences for Cooperative Web Search
Takayuki Yumoto, Yuta Mori, Kazutoshi Sumiya
Proc. of The Seventh International Conference on Creating, Connecting and Collaborating through Computing (C5 2009), pp. 121-127, Kyoto, Japan, January 2009
A Credibility Analyzing Method of Geographical Objects from Digital Maps
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of 3rd International Conference on Ubiquitous Information Management and Communication (ICUIMC2009), pp. 536-543, Suwon, Korea, January 2009
Extracting and Clustering Related Keywords based on History of Query Frequency
Toru Onoda, Takayuki Yumoto and Kazutoshi Sumiya
Proc. of 2nd International Symposium on Universal Communication (ISUC2008), pp.162-166, Osaka, Japan, December 2008
Web-in-Car: A Web Search Method Not Requiring Keyword Input for Car Navigation Systems
Kazutoshi Sumiya, Takuma Segawa, Kazuya Sugihara and Kenji Narushima
Proc. of 16th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM GIS 2008), pp. 80, Irvine, CA, USA, November 2008
Web-based Evidence Excavation for Exploring Authentic Local Events
Ryong Lee, Daisuke Kitayama and Kazutoshi Sumiya
Proc. of Second Workshop on Information Credibility on the Web (WICOW 2008), pp. 63-66, Napa Valley, CA, USA, October 2008
Organizing User Comments in a Social Video Sharing System by Temporal Duration and Pointing Region
Daisuke Kitayama, Natsumi Oda and Kazutoshi Sumiya
Proc. of International Workshop on Information-explosion and Next Generation Search (INGS 2008), pp. 55-58, Shenyang, China, April 2008
Digital Map Restructuring Method based on Implicit Intentions Extracted from Users' Operation
Daisuke Kitayama, Takahiro Teratani and Kazutoshi Sumiya
Proc. of The Second International Conference on Ubiquitous Information Management and Communication (ICUIMC 2008), pp. 45-53, Suwon, Korea, January 2008
A Query-Free Retrieving Method based on Content Elements' Order for Multimedia News Archives
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of 10th International Conference on Asian Digital Libraries (ICADL 2007), pp. 216-219, Hanoi, Vietnam, December 2007
GeminiMap:Geographical Enhanced Map Interface for Navigation on the Internet
Masayoshi Hirose, Ryoko Hiramoto and Kazutoshi Sumiya
Proc. of 7th International Symposium on Web and Wireless GIS (W2GIS 2007), pp. 279-292, November 2007
An Interval Ranking Method of Multimedia Presentation based on Relative Query Keyword Position
Daisuke Kitayama, Youko Kitahata, Ryoko Hiramoto and Kazutoshi Sumiya
Proc. of 1st International Workshop on Decision Support in Structural Health Monitoring and Flexible Query Processing in Information Systems, pp. 323-328, Regensburg, Germany, September 2007
Retrieving Comparison Articles using Content Elements Order for News Archives
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 3rd International Special Workshop on Databases for Next-Generation Researchers (SWOD2007), April 2007
Web Information Retrieval Based on User Operation on Digital Maps
Ryoko Hiramoto and Kazutoshi Sumiya
Proc. of the 14th International Symposium on Advances in Geographic Information Systems (ACM GIS 2006), pp. 99-106, Arlington, VA, USA, November 2006
A Web Search Method Based on the Temporal Relation of Query Keywords
Tomoyo Kage and Kazutoshi Sumiya
Proc. of the 7th International Conference on Web Information Systems Engineering (WISE 2006), pp. 4-15, Wuhan, China, October 2006
A Web Search System using User Operation on Digital Maps
Ryoko Hiramoto and Kazutoshi Sumiya
Proc. of the 1st International Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT 2006), pp. 105-109, Nara, Japan, May 2006
An Evaluation System for News Video Streams and Blogs
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 21st ACM Symposium on Applied Computing (SAC 2006), Vol. 2 pp. 1361-1368, Dijon, France, April 2006
A Temporal Clustering Method for Web Archives
Tomoyo Kage and Kazutoshi Sumiya
Proc. of the 2nd International Special Workshop on Databases for Next-Generation Researchers (SWOD 2006), pp. 106-112, Atlanta, Georgia, USA, April 2006
Computer-Aided Collaboration Environment for Long-Term Cross-Culturel Studies between Korean and Japanese High School
Masumi Sato and Kazutoshi Sumiya
Proc. of the Fourth International Conference on Creating and Collaborating through Computing (C5 2006), pp. 50-57, Berkeley, CA, USA, January 2006
A Blog Search Method using News Video Scene Order
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 12th International Conference on MultiMedia Modelling (MMM 2006), pp. 446-449, Beijing, China, January 2006
A Video Editing Support System using Users' Gazes
Toshifumi Kimura, Hiroko Tanaka and Kazutoshi Sumiya
Proc. of IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PacRim 2005), pp. 149-152, Victoria, B.C., Canada, August 2005
Technical Reports
Analyzing Dissemination Processes of Mail-based Disaster Information Systems - A Case Study of Typhoon Man-yi in 2013-
Kota Tomoyasu，YuanYuan Wang，Reo Kimura and Kazutoshi Sumiya
Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), P3-5, Awajishima, Hyogo, Japan, March 2014
An Exploratory Search Method for Presentation Contents based on User Browsing Behavior
Yuanyuan Wang，Yukiko Kawai and Kazutoshi Sumiya
Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), A4-2, Awajishima, Hyogo, Japan, March 2014
[ March 2014 DEIM 2014 The most excellent interactive awards]
[ March 2014 DEIM 2014 Student presentation awards]
Extraction of Naming Concepts Based on Modifiers in Recipe Titles
Akiho Tachibana，Shoko Wakamiya，Hidetsugu Nanba and Kazutoshi Sumiya
Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), F8-4, Awajishima, Hyogo, Japan, March 2014
An E-commerce Recommender System Based on Degree of Specialties in Online Shops
Motoki Zaizen，Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), B9-3, Awajishima, Hyogo, Japan, March 2014
A Word Cloud Visualization for Comparing Presentation Contents
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 4th Social Computing Symposium (SoC2013), pp. 47-52, Aoyama Gakuin Astudio, Tokyo, June 22, 2013
Analyzing Distortion of Geo-social Proximity using Massive Crowd Moving Logs over Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 4th Social Computing Symposium (SoC2013), pp. 23-28, Aoyama Gakuin Astudio, Tokyo, June 22, 2013
Context-based Word Clouds of Presentation Slides for Quick Browsing
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 5th Forum on Data Engineering and Information Management (DEIM Forum 2013), Fukushima, A10-4, Japan, March 2013
A Generation Method of Presentation Slides based on Expression Styles using Slide Structure
Yuanyuan Wang and Kazutoshi Sumiya
The 4th International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2012), B4-2, Nagoya University, Nagoya, Japan, August 1, 2012
Generating Socio-Cognitive Urban Maps with Crowd's Experiences over Location-based Social Networks
Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
The 4th International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2012), B4-1, Nagoya University, Nagoya, Japan, August 1, 2012
Social Cognitive Map Generation based on Crowd's Movement over Twitter
Shoko Wakamiya, Ryong Lee, and Kazutoshi Sumiya
Proc. of the 3rd Social Computing Symposium (SoC 2012), pp. 49-54, Aoyama Gakuin Astudio, Tokyo, Japan, June 23, 2012 (poster)
A Deformation Analysis Method for Modified Maps based on Geographical Accuracy and its Application
Daisuke Kitayama and Kazutoshi Sumiya
Proc. of the 3rd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2011), pp. 145-154, Ritsumeikan University, Kyoto, August 1, 2011
A Browsing Method for Presentation Slides based on Semantic Relations and Document Structure
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 3rd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2011), pp. 86-97, Ritsumeikan University, Kyoto, August 1, 2011
Crowd-based Image of City: Urban Area Characterization through Geographic Regularity over Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 3rd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2011), pp. 128-137, Ritsumeikan University, Kyoto, August 1, 2011
A Snippet Generation Method for Retrieving Slides in Presentation Content Sharing Sites
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 2nd Social Computing Symposium (SoC 2011), pp. 26, Aoyama Gakuin Astudio, Tokyo, June 2011
Urban Area Characterization by Analyzing Crowd Activities in Twitter
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 2nd Social Computing Symposium (SoC 2011), pp. 27, Aoyama Gakuin Astudio, Tokyo, June 2011
Slide-KWIC Browser: Snippet Generation Based on Semantic Relations and Document Structure for Presentation Slides
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 3rd Forum on Data Engineering and Information Management (DEIM Forum 2011), B7-3, Izushi, Shizuoka, February 2011
Twitter-based TV Audience Behavior Estimation for Better TV Ratings
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
Proc. of the 3rd Forum on Data Engineering and Information Management (DEIM Forum 2011), A1-4, Izu, Shizuoka, Japan, February 2011
Cinematic Street: Automatic Street View Walk-Through System using Characteristics of Modified Maps
Kaori Kobayashi, Daisuke Kitayama and Kazutoshi Sumiya
IPSJ SIG Technical Report, Vol. 2010-DBS-151, No. 15, pp. 1-8, November 13, 2010
Deformation Analysis of Modified Maps based on Geographical Accuracy and Spatial Context
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of the 2nd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2010), pp. 130-139, Aoyama Gakuin University, Tokyo, August 2010
Semantic Ranking of Lecture Slides based on Conceptual Relationship and Presentational Structure
Yuanyuan Wang and Kazutoshi Sumiya
Proc. of the 2nd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2010), pp. 65-71, Aoyama Gakuin University, Tokyo, August 2010
Video Scene Retrieval Method Using Attached User Comments Based on Automatic Query Expansion
Shoko Wakamiya and Kazutoshi Sumiya
Proc. of the 2nd International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2010), pp. 23-29, Aoyama Gakuin, Tokyo, Japan, August 2010
A Credibility Analyzing Method based on LOD Control for Digital Maps
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Proc. of the 1st Forum on Data Engineering and Information Management (DEIM Forum 2009), B1-5, Kakegawa, Shizuoka, Japan, March 2009
Books
Recommender Systems: An Introduction (Translation)
Dietmar Jannach, Markus Zanker, Alexander Felfernig, Gerhard Friedrich
Translation supervised by Katsumi Tanaka and Kazutoshi Sumiya
Translated by Kenta Oku, Taro Tezuka, Toshifumi Kimura, Fumiko Harada,
Taketoshi Ushiama, Takayuki Yumoto, Daisuke Kitayama, Kawai Yukiko,
Shinsuke Nakajima, and Hijikata Yoshinori
Published by Kyoritsu publisher, June 2012
Search User Interfaces (Translation)
Marti A. Hearst
Translation supervised by Kazutoshi Sumiya, and Katsumi Tanaka
Translated by Hiroaki Oshima, Makoto Okamoto, Takehiro Yamamoto, Tatsumi Kobayashi, Koji Zettsu, Yusuke Yamamoto, Shinsuke Nakajima, Hisashi Miyamori, Yu Suzuki, Satoshi Nakamura, Makoto Kato and Daisuke Kitayama
Published by Kyoritsu publisher, April 2011
Proceedings of the 5th Korea-Japan Database Workshop
Hiroyuki Kitagawa, Jinho Kim, Kazutoshi Sumiya, and Sang-Won Lee (eds.), May 2010.
The Others
Inferred Information Retrieval with User Operations on Digital Maps
Kazutoshi Sumiya, Daisuke Kitayama, Naiwala P. Chandrasiri
IEEE Internet Computing, Vol. 18, No. 4, pp. 70-73, July-Aug. 2014, doi:10.1109/MIC.2014.72 (invited)
Geo-social media analytics: exploring and exploiting geo-social experience from crowd-sourced lifelogs
Ryong Lee, Shoko Wakamiya and Kazutoshi Sumiya
SIGWEB Newsletter Spring, Article 4, April 2014 (invited)
Development of Twitter-based Socio-Geographic Events Detection System
Ryong Lee, Shoko Wakamiya and Kazutoshi Sumiya
Microsoft Research Japan CORE Project Workshop 2011 Poster Session, Beijing, China, May 31, 2011
Deformation Analysis System based on Geographical Accuracy and Spatial
Context for Modified Maps Credibility
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
Microsoft Research Japan CORE Project Workshop 2011 Poster Session, Beijing, China, May 31, 2011
Less-Conscious Information Retrieval Techniques for Location Based Services (invited talk)
Kazutoshi Sumiya
University Collage Dublin, Ireland, May 9, 2011
Urban Area Characterization Based on Semantics of Crowd Activities in Twitter (invited talk)
Shoko Wakamiya, Ryong Lee and Kazutoshi Sumiya
University Collage Dublin, Ireland, May 9, 2011
Extracting Intention and Analyzing Credibility in Geographical Information Retrieval
Kazutoshi Sumiya
The 3rd University of California Berkeley iSchool - Kyoto University GCOE Joint Workshop, March 18, 2011
Less-Conscious Information Retrieval Techniques for Location Based Services
Kazutoshi Sumiya
Yahoo! Research Barcelona Seminars, October 1, 2010
Less-Conscious Information Retrieval Techniques for Location Based Services
Kazutoshi Sumiya
Microsoft Research Asia Academic Forum Taiwan-Japan 2010, May 2010
Socio-geographic Crowd Mind Monitoring and Mining
Ryong Lee and Kazutoshi Sumiya
The 2nd 2010 University of California Berkeley iSchool - Kyoto University GCOE Joint Workshop, March 22 2010
A Credibility Analysis Method based on Editor's Intention for Modified Maps
Daisuke Kitayama, Ryong Lee and Kazutoshi Sumiya
The 2nd 2010 University of California Berkeley iSchool - Kyoto University GCOE Joint Workshop, March 22 2010