日本語

Book

  1. Utilizing Multilingual Social Media Analysis for Food Venue Recommendation (♥ ♦)

    Panote Siriaraya, Yuanyuan Wang, Yukiko Kawai, Yusuke Nakaoka, Toyokazu Akiyama

    Book Chapter, Putting Social Media and Networking Data in Practice for Education, Planning, Prediction and Recommendation (Lecture Notes in Social Networks) (Eds. Mehmet Kaya, Suayip Birinci, Jalal Kawash, Reda Alhajj), Springer, pp. 29-49, February 2020. (First Online: December 28, 2019)

  2. Query Generation for Web Search Based on Spatio-Temporal Features of TV Program

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Book Chapter, Transactions on Engineering Technologies: International MultiConference of Engineers and Computer Scientists 2018 (Eds. Sio-Iong Ao, Haeng Kon Kim, Oscar Castillo, Alan Hoi-shou Chan, Hideki Katagiri), Springer, pp. 82-92, January 2020. (First Online: October 11, 2019)

Journal/ Technical Note (Peer-reviewed)

  1. An Early Warning Model of Type 2 Diabetes Risk based on POI Visit History and Food Access Management (♥ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    PLOS ONE, Vol. 18, No. 7, e0288231, July 26, 2023.

  2. A Graph Neural Network-based Map Tiles Extraction Method Considering POIs Priority Visualization on Web Map Zoom Dimension (♥ ♦)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    IEEE Access, Vol. 10, pp. 64072-64084, June 13, 2022.

  3. An E-commerce Product Recommendation Method Based on Visual Search and Customer Satisfaction

    Houji Zhong, Yuanyuan Wang, Wuyi Yue

    International Journal of Knowledge and Systems Science (IJKSS), Vol. 13, No. 1, pp. 1-14, June 2022.

  4. A Low-cost High-performance Semantic and Physical Distance Calculation Method based on ZIP Code (♥ ♦)

    Da Li, Yuanyuan Wang, Rikuya Yamamoto, Yukiko Kawai, Kazutoshi Sumiya

    IEICE Transactions on Information and Systems, Vol. E105-D, No. 5, pp. 920-927, May 1, 2022.

  5. Proposal and Evaluation of an Accommodation Ranking Method based on Relationship Analysis between Tourist Spots and Accommodations (♦ ♠)

    Yuanyuan Wang, Hairon Sato, Wuyi Yue

    Journal of the Japan Personal Computer Application Technology Society, Vol. 16, No. 2, pp. 1-11, March 20, 2022. (in Japanese)

  6. A Proposal for a Video Viewing Support System based on User Viewing Behavior and Geographical Relations (♦ ♠)

    Yuanyuan Wang, Itsuki Hashimoto, Yukiko Kawai, Kazutoshi Sumiya

    DBSJ Japanese Journal, Vol. 20-J, Article No. 4, pp. 1-6, March 2022. (in Japanese)

  7. Twitter-Aided Decision Making: A Review of Recent Developments (♦ ♠)

    Yihong Zhang, Masumi Shirakawa, Yuanyuan Wang, Zhi Li, Takahiro Hara

    Applied Intelligence, Springer, Vol. 52, pp. 13839-13854, February 26, 2022.

  8. Construction and Experiment of a Video Transmission System for Regional Information utilizing Automatic Extraction of Web Video Information and AR Technology (♥ ♠)

    Yukinobu Sumimoto, Yuanyuan Wang, Wuyi Yue

    Journal of the Japan Personal Computer Application Technology Society, Vol. 16, No. 1, pp. 11-19, September 20, 2021. (in Japanese)

  9. Proposal and Evaluation of a Pictorial Map Generation Method based on Degrees of Popularity and Satisfaction for Tourist Spots using SNS Photos (♥ ♦ ♠)

    Yuanyuan Wang, Wuyi Yue

    Journal of the Japan Personal Computer Application Technology Society, Vol. 16, No. 1, pp. 1-10, September 20, 2021. (in Japanese)

  10. Beyond the Shortest Route: A Survey on Quality-Aware Route Navigation for Pedestrians (♥)

    Panote Siriaraya, Yuanyuan Wang, Yihong Zhang, Shoko Wakamiya, Peter Jeszenszky, Yukiko Kawai, Adam Jatowt

    IEEE Access, Vol. 8, pp. 135569-135590, July 27, 2020.

  11. Performance Evaluation on the QoS Control System for Streaming Delivery in Wireless LAN

    Yuanyuan Wang, Keita Terashima, Wuyi Yue

    Journal of the Japan Personal Computer Application Technology Society, Vol. 14, No. 1, pp. 14-21, March 20, 2020. (in Japanese)

  12. Twitter-based Traffic Delay Detection based on Topic Propagation Analysis using Railway Network Topology (♥)

    Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Toyokazu Akiyama

    Personal and Ubiquitous Computing, Springer, Vol. 23, No. 2, pp. 233-247, April 2019.

  13. Tourism Marketing Strategy for Local Cities utilizing Twitter (♥)

    Yuanyuan Wang, Wuyi Yue

    Journal of the Japan Personal Computer Application Technology Society, Vol. 13, No. 1, pp. 16-24, March 2019. (in Japanese)

  14. Designing a Spatial Query Language for Space-Key Search (♥)

    Haruka Sakata, Panote Siriaraya, Yuanyuan Wang, Yukiko Kawai

    IPSJ Transactions on Databases (TOD), Vol. 12, No. 1, pp. 1-5, January 2019. (in Japanese)

  15. Activation Mechanism for Recommending Appropriate Users and Comments on Wedding Community Sites (♥)

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    International Journal on Advances in Internet Technology, Vol. 10, No. 3&4, pp. 134-144, November 2017.

  16. A Tweet Visualization System based on Spatio-Temporal Analysis of Tweets in Composite Facilities

    Yuanyuan Wang, Naoki Maruyama, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

    Transactions of the Japanese Society for Artificial Intelligence, Vol. 32, No. 1, pp. WII-I_1-11, January 2017. (in Japanese)

  17. Simulation Data Warehouse for Integration and Analysis of Disaster Information

    Jing Zhao, Kento Sugiura, Yuanyuan Wang, Yoshiharu Ishikawa

    Journal of Disaster Research, Vol. 11, No. 2, pp. 255-264, March 2016.

  18. An Automatic Video Reinforcing System for TV Programs using Semantic Metadata from Closed Captions

    Yuanyuan Wang, Daisuke Kitayama, Yukiko Kawai, Kazutoshi Sumiya, Yoshiharu Ishikawa

    International Journal of Multimedia Data Engineering and Management (IJMDEM), Vol. 7, No. 1, pp. 1-21, January-March 2016. [paper]

  19. An Automatic Scoring System for E-Reports based on Student Peer Evaluation using Groupware

    Yuanyuan Wang, Yukiko Kawai, Setsuko Miyamoto, Kazutoshi Sumiya

    DBSJ Journal, Vol. 13, No. 1, pp. 71-76, March 2015. [paper]

  20. A Simultaneous User Communication System between Microblogs and Web Pages

    Gouki Yasui, Yuanyuan Wang, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

    DBSJ Japanese Journal, Vol. 13-J, No. 2, pp. 7-12, February 2015. (in Japanese)[paper]

  21. iPoster: Interactive Poster Generation based on Topic Structure and Slide Presentation

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Transactions of the Japanese Society for Artificial Intelligence, Vol. 30, No. 1, SP1-F, pp. 112-123, January 2015.

  22. A Method for Generating Presentation Slides based on Expression Styles using Document Structure

    Yuanyuan Wang, Kazutoshi Sumiya

    International Journal of Knowledge and Web Intelligence, Vol. 4, No.1, pp. 93-112, March 2013. [paper]

  23. A Browsing Method for Presentation Slides Based on Semantic Relations and Document Structure for e-Learning

    Yuanyuan Wang, Kazutoshi Sumiya

    Journal of Information Processing (JIP), Vol. 20, No. 1, pp. 11-25, January 2012. [paper]

International Conference/ Workshop/ Symposium

  1. A Revising Support Method for Lecture Slides Based on Topic Explanation Quantity and Sequences

    Itsuki Sano, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 2024 12th International Conference on Information and Education Technology (ICIET 2024), pp. XX-XX, Shimonoseki, Japan, March 18-20, 2024. (to appear)

  2. A Product Recommendation Method by Analyzing Sales Volume, Sales Period, and User Satisfaction

    Haoyang Xia, Yuanyuan Wang

    Proc. of the 2024 12th International Conference on Information and Education Technology (ICIET 2024), pp. XX-XX, Shimonoseki, Japan, March 18-20, 2024. (to appear)

  3. E-Sports Recommendation based on Degrees of Popularity and Satisfaction using SNS Data

    Yuanyuan Wang

    Proc. of the 18th International Conference on Ubiquitous Information Management and Communication (IMCOM 2024), pp. 1-5, Kuala Lumpur, Malaysia, January 3-5, 2024.

  4. Exploring Travel Intentions in Post-COVID-19 China: A Weibo Case Study (♥)

    Ziyue Zhu, Yuanyuan Wang, Kaichun Lei

    Proc. of the 10th International Conference on Behavioural and Social Computing (BESC 2023), pp. 1-7, Larnaca, Cyprus, October 30-November 1, 2023.

  5. A Company Recommendation Method Based on Characteristic Analysis for Job Hunting Support

    Ryuichiro Tamura, Yuanyuan Wang

    Proc. of the 12th IEEE Global Conference on Consumer Electronics (GCCE 2023), pp. 1163-1167, Nara, Japan, October 10-13, 2023.

  6. Learning Content Generation by Extracting Lecture Slides Based on Word Importance and Difficulty

    Kazuki Furukawa, Yuanyuan Wang

    Proc. of the 12th IEEE Global Conference on Consumer Electronics (GCCE 2023), pp. 141-145, Nara, Japan, October 10-13, 2023.

  7. Generating Appreciation Contents of Artworks by Combining Images and Music (♥)

    Takumi Miyamoto, Yuanyuan Wang

    Proc. of the 12th IEEE Global Conference on Consumer Electronics (GCCE 2023), pp. 956-960, Nara, Japan, October 10-13, 2023.

  8. Craft Visualization by Analyzing Emotional Information and Spatio-Temporal Features (♥)

    Zerong Song, Yuanyuan Wang

    Proc. of the 12th IEEE Global Conference on Consumer Electronics (GCCE 2023), pp. 1067-1068, Nara, Japan, October 10-13, 2023.

  9. Encouraging Critical Thinking Support System: Question Generation and Lecture Slide Recommendations

    Saki Inoue, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 10th ACM Conference on Learning at Scale (L@S 2023), pp. 287-291, Copenhagen, Denmark, July 20-22, 2023.

  10. A Method of Extracting Difficult-to-Understand Video Intervals for Generating Assignments using Keywords in Online Lecture Videos

    Itsuki Sano, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 2023 11th International Conference on Information and Education Technology (ICIET 2023), pp. 98-102, Fujisawa, Japan, March 18-20, 2023.

  11. Visualization System for Traditional Crafts based on Text Mining with Sentiment Analysis (♥ ♦)

    Zerong Song, Yuanyuan Wang

    Proc. of the 2023 11th International Conference on Information and Education Technology (ICIET 2023), pp. 524-528, Fujisawa, Japan, March 18-20, 2023.

  12. Song Recommendation System on Mobility Based on Geotagged Tweets and User Preferences

    Nobutaka Hayashi, Yuanyuan Wang, Kazutoshi Sumiya, Yukiko Kawai

    Proc. of the Eleventh International Conference on Building and Exploring Web Based Environments (WEB 2023), pp. XX-XX, Barcelona, Spain, March 13-17, 2023. (to appear)

  13. Visualization of POI Category on the Dynamic Rasterized Map Tiles from Geo-Tagged Social Media (Twitter) with SZ-GAT (♦ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    Proc. of the Hawaii International Conference on System Sciences (HICSS-56), pp. 2210-2219, Maui, Hawaii, January 3-6, 2023.

  14. A User-POI-Guide Cost Optimization Method for Tourism Planning Considering Social Distance and User Preferences (♥ ♦)

    Da Li, Panote Siriaraya, Yuanyuan Wang, Yukiko Kawai

    Proc. of the Hawaii International Conference on System Sciences (HICSS-56), pp. 4988-4997, Maui, Hawaii, January 3-6, 2023.

  15. Learning Support System using Question Generation to Encourage Critical Thinking in Online Lectures

    Saki Inoue, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 17th International Conference on Ubiquitous Information Management and Communication (IMCOM 2023), pp. 1-8, Seoul, South Korea, January 3-5, 2023.

  16. Topical Analysis of Depressive Mood Changes in Youth during the COVID-19 Pandemic (♠)

    Ziyue Zhu, Yuanyuan Wang

    Proc. of the 17th International Conference on Ubiquitous Information Management and Communication (IMCOM 2023), pp. 1-6, Seoul, South Korea, January 3-5, 2023.

  17. Pictorial Map Generation based on Color Extraction and Sentiment Analysis using SNS Photos (♥ ♦)

    Yuanyuan Wang

    Proc. of the 17th International Conference on Ubiquitous Information Management and Communication (IMCOM 2023), pp. 1-8, Seoul, South Korea, January 3-5, 2023.

  18. Question Support Method to Promote Critical Thinking Using Lecture Slide Structure in On-Demand Courses

    Saki Inoue, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 24th International Conference on Asia-Pacific Digital Libraries (ICADL 2022), pp. 509-515, Hanoi, Vietnam, November 30-December 2, 2022.

  19. A Hotel Recommendation Method based on Hotel Feature Analysis using Surrounding Facilities (♥ ♦)

    Teng Li, Yuanyuan Wang

    Proc. of the 2022 Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems (SCIS&ISIS 2022), pp. 1-6, Ise, Japan, November 29-December 2, 2022.

  20. Analysis of People's Dissatisfaction on COVID-19 using Discontent Questionnaire Data

    Xiaoyu Ye, Yuanyuan Wang

    Proc. of the 11th IEEE Global Conference on Consumer Electronics (GCCE 2022), pp. 692-695, Osaka, Japan, October 18-21, 2022.

  21. A Tourist Spot Recommendation Method Based on Image Search and Sentiment Analysis (♥ ♦)

    Kouki Oooka, Yuanyuan Wang

    Proc. of the 11th IEEE Global Conference on Consumer Electronics (GCCE 2022), pp. 683-687, Osaka, Japan, October 18-21, 2022.

    [Excellent Paper Award, Silver Prize]

  22. A Recommendation System for Short Recipe Videos with Supplementary Cooking Operation

    Takuya Yonezawa, Yuanyuan Wang, Kazutoshi Sumiya, Yukiko Kawai

    Proc. of the 18th International Conference on Data Science (ICDATA 2022), pp. 1-3, Las Vegas, Nevada, USA, July 25-28, 2022.

  23. Visualization Method for the Spreading Curve of COVID-19 in Universities using GNN (♦ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 2022 IEEE International Conference on Big Data and Smart Computing (BigComp 2022), pp. 121-128, Daegu, Korea, January 17-20, 2022.

  24. Analysis and Forecast of the COVID-19 Spreading Curve for the Resumption of In-person Classes (♦ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 16th International Conference on Ubiquitous Information Management and Communication (IMCOM 2022), pp. 1-4, Online, January 3-5, 2022.

  25. Hotel Recommendation based on Review Analysis by Considering Tourism Needs (♦ ♠)

    Yuanyuan Wang

    Proc. of the 16th International Conference on Ubiquitous Information Management and Communication (IMCOM 2022), pp. 1-8, Online, January 3-5, 2022.

  26. Visualization of POI Competitiveness Using Extracted Kyoto Map Tiles from Social Media Response Since COVID-19 (♦ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 20th IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2021), pp. 641-646, Melbourne, Australia, December 14-17, 2021.

  27. Tourist Cognitive Map Generation based on Travel Behavior Analysis

    Xuyu Mei, Yuanyuan Wang

    Proc. of the 2nd Joint Seminar, 2021 Universiti Tun Hussein Onn Malaysia and Yamaguchi University, pp. 32-33, Online, November 19, 2021.

  28. IYASHI Recipe: Cooking Recipe Recommendation for Healing based on Physical Conditions and Human Relations

    Takuya Yonezawa, Shion Yamaguchi, Yuanyuan Wang, Kazutoshi Sumiya, Yukiko Kawai

    Proc. of the 13th Workshop on Multimedia for Cooking and Eating Activities in conjunction with ICMR 2021, pp. 1-8, Online, November 16, 2021.

  29. Tourist Cognitive Map Generation Based on Travel Behavior Analysis Using SNS Data (♥ ♦ ♠)

    Xuyu Mei, Yuanyuan Wang

    Proc. of the 10th IEEE Global Conference on Consumer Electronics (GCCE 2021), pp. 991-994, Kyoto, Japan, October 12-15, 2021.

  30. A Product Recommendation Method by Analyzing Images and Reviews in E-Commerce (♥ ♦)

    Houji Zhong, Yuanyuan Wang

    Proc. of the 10th IEEE Global Conference on Consumer Electronics (GCCE 2021), pp. 987-988, Kyoto, Japan, October 12-15, 2021.

  31. Topic Detection for Video Stream based on Geographical Relationships and its Interactive Viewing System (♦ ♣)

    Itsuki Hashimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 4th International Conference on Multimedia Information Processing and Retrieval (IEEE MIPR 2021), pp. 28-34, Online, September 8-10, 2021.

  32. An Interactive Cooking Support System for Short Recipe Videos based on User Browsing Behavior (♠)

    Takuya Yonezawa, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 4th International Conference on Multimedia Information Processing and Retrieval (IEEE MIPR 2021), pp. 22-27, Online, September 8-10, 2021.

  33. Multiple Tour Guide Recommendation for the Sharing Economy (♥ ♦)

    Rikuya Yamamoto, Yuanyuan Wang, Masatohi Shibata, Panote Siriaraya, Yukiko Kawai

    Proc. of the 39th IEEE International Conference on Consumer Electronics (ICCE 2021), pp. 1-4, Online, January 10-12, 2021.

  34. Analyzing Diabetics for Food Access Training on the Map with CBAM (♥ ♦)

    Huaze Xie, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 19th IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2020), pp. 482-487, Online, December 14-17, 2020.

  35. Extracting User Interests from Operation Logs on Museum Devices for Post-Learning (♣)

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 22nd International Conference on Asia-Pacific Digital Libraries (ICADL 2020), LNCS 12504, pp. 1-11, Online, November 30-December 1, 2020.

  36. Understanding Multilingual Correlation of Geo-tagged Tweets for POI Recommendation (♥ ♦)

    Yuanyuan Wang, Panote Siriaraya, Mohit Mittal, Huaze Xie, Yukiko Kawai

    Proc. of the 18th International Symposium on Web and Wireless Geographical Information Systems (W2GIS 2020), LNCS 12473, pp. 1-10, Wuhan, China, November 13-14, 2020.

  37. An Interactive Media Synchronization Mechanism for TV Programs

    Yuanyuan Wang

    Proc. of the 1st Joint Seminar, 2020 Universiti Tun Hussein Onn Malaysia and Yamaguchi University, pp. 15-16, Online, November 4, 2020.

  38. SNS Fatigue Extraction by Analyzing Twitter Data (♥ ♦)

    Tohma Okafuji, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 9th IEEE Global Conference on Consumer Electronics (GCCE 2020), pp. 288-292, Kobe, Japan, October 13-16, 2020.

  39. An Interaction-based Video Viewing Support System using Geographical Relationships (♦ ♣)

    Itsuki Hashimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 28th ACM International Conference on Multimedia (ACM Multimedia 2020), pp. 4556-4558, Online, October 12-16, 2020.

  40. Dynamic Video Tag Cloud: A Cooking Support System for Recipe Short Videos (♠)

    Takuya Yonezawa, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 25th International Conference on Intelligent User Interfaces Companion (IUI 2020 Companion), pp. 122-123, Cagliari, Italy, March 17-20, 2020.

  41. Visualizing Dialectal Variation in Japan through Geo-tagged Tweets (♥ ♦)

    Yuanyuan Wang

    Proc. of 2019 IEEE 5th International Conference on Computer and Communications (ICCC 2019), pp. 1317-1321, Chengdu, China, December 6-9, 2019.

  42. Visualization of Spatio-Temporal Events for Web Using Twitter Data

    Yuanyuan Wang

    Proc. of the 6th Joint Seminar, 2019 Chungbuk National University - Yamaguchi University, pp. 15-16, Ube, Yamaguchi, Japan, November 4, 2019.

  43. Witnessing Crime through Tweets: A Crime Investigation Tool based on Social Media (♥ ♦)

    Panote Siriaraya, Yihong Zhang, Yuanyuan Wang, Peter Jeszenszky, Mohit Mittal, Yukiko Kawai, Adam Jatowt

    Proc. of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2019), pp. 568-571, Chicago, Illinois, United States, November 5-8, 2019.

  44. A Cooking Support System by Extracting Difficult Scenes for Cooking Operations from Recipe Short Videos (♠)

    Takuya Yonezawa, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 27th ACM International Conference on Multimedia (ACM Multimedia 2019), pp. 2225-2227, Nice, France, October 21-25, 2019.

  45. A Product Recommendation System Based on User Complaint Analysis Using Product Reviews

    Terutaka Yoshikawa, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 8th IEEE Global Conference on Consumer Electronics (GCCE 2019), pp. 736-740, Osaka, Japan, October 15-18, 2019.

  46. A Document Summary Method Based on the Relative Spatial Length between Sentences (♥)

    Panote Siriaraya, Haruka Sakata, Yuanyuan Wang, Yukiko Kawai

    Proc. of the ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL 2019), pp. 359-360, Urbana-Champaign, Illinois, United States, June 2-6, 2019.

  47. Designing a Query Language using Keyword Pairs for Spatial and Temporal Search (♥)

    Yuanyuan Wang, Panote Siriaraya, Haruka Sakata, Yukiko Kawai, Keishi Tajima

    Proc. of the 17th International Symposium on Web and Wireless Geographical Information Systems (W2GIS 2019), LNCS 11474, pp. 1-18, Kyoto, Japan, May 16-17, 2019.

  48. Extracting POIs for Navigation based on Analyzed User Residentiality using SNS Photos (♥)

    Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai

    Proc. of iConference 2019, pp. 1-4, Washington, DC, USA, March 31-April 3, 2019.

  49. A Map Search System based on a Spatial Query Language (♥)

    Yuanyuan Wang, Panote Siriaraya, Haruka Sakata, Yukiko Kawai, Keishi Tajima

    Proc. of the 22nd International Conference on Extending Database Technology (EDBT 2019), pp. 578-581, Lisbon, Portugal, March 26-29, 2019.

  50. Analysis of Seven Editing Bias in Movie Trailer Based on Editing Features

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of ACM IUI2018 Workshop on User Interfaces for Spatial and Temporal Data Analysis (UISTDA 2019), 4 pages, Marina del Ray, CA, USA, March 17-20, 2019.

  51. Movie Trailer Analysis based on Editing Features of Movies

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 24th International Conference on Intelligent User Interfaces Companion (IUI 2019 Companion), pp. 13-14, Marina del Ray, CA, USA, March 17-20, 2019.

  52. A Proposal of Spatial Operators for a Collaborative Map Search System (♥)

    Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Keishi Tajima

    Proc. of the 24th International Conference on Intelligent User Interfaces Companion (IUI 2019 Companion), pp. 79-80, Marina del Ray, CA, USA, March 17-20, 2019.

  53. Construction and Evaluation of Recipe Recommendation System considering User Taste Preferences and Nutritional Balance

    Yuanyuan Wang, Takahiro Migita, Wuyi Yue

    Proc. of 163rd IASTEM International Conference on Science Technology and Management (ICSTM 2018), pp. 15-19, Beijing, China, December 29-30, 2018.

  54. Extraction of Movie Trailer Biases Based on Editing Features for Trailer Generation (♥)

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 20th IEEE International Symposium on Multimedia (ISM 2018), pp. 204-208, Taichung, Taiwan, December 10-12, 2018.

  55. A Twitter-based Culture Visualization System by Analyzing Multilingual Geo-tagged Tweets (♥)

    Yuanyuan Wang, Panote Siriaraya, Yusuke Nakaoka, Haruka Sakata, Yukiko Kawai, Toyokazu Akiyama

    Proc. of the 20th International Conference On Asia-Pacific Digital Libraries (ICADL 2018), pp. 147-150, Hamilton, New Zealand, November 19-22, 2018.

  56. Predicting Next Visited Country of Twitter Users (♥)

    Muhammad Syafiq Mohd Pozi, Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Adam Jatowt

    Proc. of the 14th Asia Information Retrieval Societies (AIRS 2018), pp. 203-209, Taipei, Taiwan, November 28-30, 2018.

  57. Predicting Short-Term Exchange Rates for Automatic Purchasing Using News Article Data

    Hairon Sato, Nana Ogasawara, Yuanyuan Wang

    Proc. of the 7th IEEE Global Conference on Consumer Electronics (GCCE 2018), pp. 386-390, Nara, Japan, October 9-12, 2018.

  58. Generating Pictorial Maps for Tourists Using Flickr Photo Data (♥)

    Yamato Kozaki, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 7th IEEE Global Conference on Consumer Electronics (GCCE 2018), pp. 375-379, Nara, Japan, October 9-12, 2018.

  59. A Food Venue Recommender System based on Multilingual Geo-tagged Tweet Analysis (♥)

    Panote Siriaraya, Yusuke Nakaoka, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 2018 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2018), pp. 686-689, Barcelona, Spain, August 28-31, 2018.

  60. Locations & Languages: Towards Multilingual User Movement Analysis in Social Media (♥)

    Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Panote Siriaraya, Yukiko Kawai, Adam Jatowt

    Proc. of the 10th ACM Conference on Web Science (WebSci 2018), pp. 261-270, Amsterdam, Netherlands, May 27-30, 2018.

  61. Walking down a Different Path: Route Recommendation based on Visual and Facility based Diversity (♥)

    Yihong Zhang, Panote Siriaraya, Yuanyuan Wang, Shoko Wakamiya, Yukiko Kawai, Adam Jatowt

    Proc. of the Web Conference (WWW 2018), pp. 171-174, Lyon, France, April 23-27, 2018.

  62. Interactive E-Commerce Recommender System using Dataset of Complaints

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of CHI2018 Symposia Asian CHI Symposium, 6 pages, Montreal, Canada, April 22, 2018.

  63. Towards Understanding Cross-cultural Crowd Sentiment using Social Media (♥)

    Yuanyuan Wang, Panote Siriaraya, Muhammad Syafiq Mohd Pozi, Yukiko Kawai, Adam Jatowt

    Proc. of iConference 2018, pp. 67-73, Sheffield, United Kingdom, March 25-28, 2018.

  64. Detecting Train Delays using Railway Network Topology in Twitter (♥)

    Yuanyuan Wang, Yusuke Nakaoka, Panote Siriaraya, Yukiko Kawai, Toyokazu Akiyama

    Proc. of iConference 2018, 4 pages, Sheffield, United Kingdom, March 25-28, 2018.

  65. Query Keyword Extraction from Video Caption Data based on Spatio-Temporal Features

    Honoka Kakimoto, Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 26th International MultiConference of Engineers and Computer Scientists (IMECS 2018), pp. 405-408, Hong Kong, China, March 14-16, 2018.

  66. An E-Commerce Recommender System using Complaint Data and Review Data

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of ACM IUI2018 Workshop on Web Intelligence and Interaction (WII 2018), 5 pages, Tokyo, Japan, March 7-11, 2018.

  67. A Recommender System based on Detected Users' Complaints by Analyzing Reviews

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 23rd International Conference on Intelligent User Interfaces Companion (IUI 2018 Companion), pp. 36:1-36:2, Tokyo, Japan, March 7-11, 2018.

  68. Language Density Driven Route Navigation System for Pedestrians based on Twitter Data (♥)

    Yuanyuan Wang, Yihong Zhang, Panote Siriaraya, Yukiko Kawai, Adam Jatowt

    Proc. of the 23rd International Conference on Intelligent User Interfaces Companion (IUI 2018 Companion), pp. 26:1-26:2, Tokyo, Japan, March 7-11, 2018.

  69. Visualization of Airflow using Movable Sensors around Urban Cities

    Tetsuo Ogino, Yukiko Kawai, Yuanyuan Wang, Takeshi Kyakuno, Yoko Shimizu, Kazutoshi Sumiya

    Asia Data Week 2017 (ADW 2017), Jeju island, Korea, November 20-24, 2017.

  70. Topic Propagation Analysis of Geo-tagged Tweets for Delay Detection based on Railway Network Topology (♥)

    Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Yukiko Kawai, Toyokazu Akiyama

    Proc. of the Workshop on Big Data Analytics for Enhancing Public Transport (BigTransport17) in Conjunction with ACM International Conference on Information and Knowledge Management (CIKM 2017), 4 pages, Singapore, November 7, 2017.

  71. Exploring Cross-cultural Crowd Sentiments on Twitter (♥)

    Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Yukiko Kawai, Adam Jatowt, Toyokazu Akiyama

    Proc. of the 28th ACM Conference on Hypertext and Social Media (HT 2017), pp. 321-322, Prague, Czech Republic, July 4-7, 2017.

  72. Visualization of Spatio-Temporal Events in Geo-tagged Social Media

    Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Goki Yasui, Yukiko Kawai, Toyokazu Akiyama

    Proc. of the 15th International Symposium on Web and Wireless Geographical Information Systems (W2GIS 2017), LNCS 10181, pp. 137-152, Shanghai, China, May 8-9, 2017.

  73. A Proposal of Activation Mechanism for User Communication based on User Behavior analysis on Wedding Community Sites

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 9th International Conferences on Advances in Multimedia (MMEDIA 2017), pp. 67-72, Venice, Italy, April 23-27, 2017.

    [Best Paper Award]

  74. A Twitter-based Recommendation System for MOOCs based on Spatiotemporal Event Detection

    Yuanyuan Wang, Naoki Maruyama, Goki Yasui, Yukiko Kawai, Toyokazu Akiyama

    Proc. of iConference 2017, Vol. 2, pp. 152-155, Wuhan, China, March 22-25, 2017.

  75. A Lecture Slide Reconstruction System based on Expertise Extraction for e-Learning

    Yuanyuan Wang, Yukiko Kawai

    Proc. of the 18th International Conference on Asia-Pacific Digital Libraries (ICADL 2016), LNCS 10075, pp. 167-179, Tsukuba, Ibaraki, Japan, December 5-9, 2016.

  76. Location-based Image Viewing System Synchronized with Video Clips

    Yuanyuan Wang, Maho Nishizawa, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 13th International Conference on Location Based Services (LBS 2016), pp. 233-238, Vienna, Austria, November 14-16, 2016.

  77. An Active Communication Mechanism for e-Learning by Analyzing SNS User Behavior

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 5th IEEE Global Conference on Consumer Electronics (GCCE 2016), pp. 249-251, Kyoto, Japan, October 11-14, 2016. [paper]

  78. TweeVist: A Geo-Tweet Visualization System for Web based on Spatio-Temporal Events

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya, Yoshiharu Ishikawa

    Proc. of the 15th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2016), pp. 729-734, Okayama, Japan, June 25-29, 2016. [paper]

  79. Dynamic Mapping of Dense Geo-Tweets and Web Pages based on Spatio-Temporal Analysis

    Yuanyuan Wang, Goki Yasui, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya, Yoshiharu Ishikawa

    Proc. of the 31st ACM/SIGAPP Symposium on Applied Computing (SAC 2016), pp. 1170-1173, Pisa, Italy, April 4-8, 2016. [paper]

  80. An Automatic Video Reinforcing System based on Popularity Rating of Scenes and Level of Detail Controlling

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya, Yoshiharu Ishikawa

    Proc. of the 2015 IEEE International Symposium on Multimedia (ISM 2015), pp. 529-534, Miami, Florida, USA, December 14-16, 2015. [paper]

  81. Why Cannot Control Your Smartphones by Thinking? Hands-free Information Control System based on EEG

    Yuanyuan Wang, Tomoki Hidaka, Yukiko Kawai, Jiro Okuda

    Proc. of the 3rd International Conference on Innovation in Medicine and Healthcare 2015 (KES InMed 2015), pp. 553-564, Kyoto, Japan, Septemper 11-12, 2015. [paper]

  82. An Automatic Media Synchronizing Mechanism with TV Programs

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the Media Synchronization Workshop (MediaSync) 2015 in conjunction with ACM TVX 2015, Brussels, Belgium, June 3-5, 2015. [paper]

  83. An E-Report Scoring Method based on Student Peer Evaluation using Groupware

    Yuanyuan Wang, Yukiko Kawai, Setsuko Miyamoto, Kazutoshi Sumiya

    Proc. of the 2nd ACM Conference on Learning at Scale (L@S 2015), pp. 273-276, Vancouver, Canada, March 14-15, 2015. [paper]

  84. A Students' Mutual Evaluation Method for their Reports using PageRank Algorithm

    Yuanyuan Wang, Yukiko Kawai, Setsuko Miyamoto, Kazutoshi Sumiya

    Proc. of the 22nd International Conference on Computers in Education (ICCE 2014), pp. 113-115, Nara, Japan, November 2014. [paper]

  85. TWinChat: A Twitter and Web User Interactive Chat System

    Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

    Proc. of the 23rd ACM International Conference on Information and Knowledge Management (CIKM 2014), pp. 2045-2047, Shanghai, China, November 3-7 2014. [paper]

  86. Location-based Microblog Viewing System Synchronized with Web Pages

    Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

    Proc. of the 1st International Workshop on Future Technologies for Smart Information Systems (FTSIS 2014), pp. 70-75, Nara, Japan, October 6-9, 2014. [paper]

  87. An Exploratory Search for Presentation Contents based on Slide Semantic Structure

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 26th International Conference on Software Engineering and Knowledge Engineering (SEKE 2014), pp. 665-670, Vancouver, Canada, July 1-3, 2014. [paper]

  88. Will Mail-Based Disaster Information Systems Work Well?: A Case Study in Japan

    Kota Tomoyasu, Yuanyuan Wang, Reo Kimura, Kazutoshi Sumiya

    Proc. of the 7th International Conference on Intelligent Interactive Multimedia Systems and Services (KES IIMSS 2014), pp. 293-303, Chania, Greece, June 18-20, 2014. [paper]

  89. Automatic Street View System Synchronized with TV Program using Geographical Metadata from Closed Captions

    Yuanyuan Wang, Daisuke Kitayama, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 2014 International Working Conference on Advanced Visual Interfaces (AVI 2014), pp. 383-384, Como, Italy, May 27-30, 2014. [paper]

  90. iPoster: A Collaborative Browsing Platform for Presentation Slides based on Semantic Structure

    Yuanyuan Wang, Kota Tomoyasu, Kazutoshi Sumiya

    Proc. of SocInfo 2013 International Workshops, QMC and HISTOINFORMATICS, pp. 29-42, Kyoto, Japan, November 25-27, 2013. [paper]

  91. Dynamic Word Clouds: Context-based Word Clouds of Presentation Slides for Quick Browsing

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 6th International Conference on Intelligent Interactive Multimedia Systems and Services (KES IIMSS 2013), pp. 108-117, Sesimbra, Portugal, June 26-28, 2013. [paper]

  92. Skeleton Generation for Presentation Slides based on Expression Styles

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 5th International Conference on Intelligent Interactive Multimedia Systems and Services (KES IIMSS 2012), SIST 14, pp. 551-560, Gifu, Japan, May 23-25, 2012. [paper]

  93. Slide KWIC: Snippet Generation for Browsing Slides based on Conceptual Relationship and Presentational Structure

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 2011 Ninth International Conference on Creating, Connecting and Collaborating Through Computing (C5 2011), pp. 40-47, Kyoto, Japan, January 18-20, 2011. [paper]

  94. Semantic Ranking of Lecture Slides based on Conceptual Relationship and Presentational Structure

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 1st Workshop on Recommender Systems for Technology Enhanced Learning (RecSysTEL 2010), pp. 2801-2810, Barcelona, Spain, September 26-30, 2010. (Acceptance rate: 26.1%) [paper]

  95. Automatic Generation of Learning Channels by Semantic Relations among Lecture Slides with Recorded Videos for Self-Learning Systems

    Yuanyuan Wang, Daisuke Kitayama, Ryong Lee, Kazutoshi Sumiya

    Proc. of the 2009 11th IEEE International Symposium on Multimedia (ISM 2009), pp. 275-280, San Diego, California, USA, December 14-16, 2009. (Acceptance rate: 19.6%) [paper]

Domestic Conference/ Workshop/ Symposium

  1. A POI Trend Prediction for Rasterized Map Zooming Levels by ST-GAT using Geo-tagged Tweets (♦ ♠)

    Huaze Xie, Da Li, Yuanyuan Wang, Yukiko Kawai

    Proc. of the 14th Forum on Data Engineering and Information Management　(DEIM Forum 2022), D21-2, February 28-March 2, 2022.

  2. Product Recommendation based on Visual Search and Customer Satisfaction Analysis of Images and Reviews

    Houji Zhong, Yuanyuan Wang, Da Li, Yukiko Kawai

    Proc. of the 13th Forum on Data Engineering and Information Management　(DEIM Forum 2021), F33-2, March 1-3, 2021.

  3. Visualization of the COVID-19 Spread in Universities and the Strategies of Flattening the Curve by GNNs

    Huaze Xie, Yuanyuan Wang, Da Li, Yukiko Kawai

    Proc. of the 13th Forum on Data Engineering and Information Management　(DEIM Forum 2021), G11-4, March 1-3, 2021.

  4. User Interests Extraction by Analyzing User Operations on Multimedia Museum Devices

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 12th Forum on Data Engineering and Information Management　(DEIM Forum 2020), P1-12, March 2-4, 2020.

    [Online Interactive Award(pdf)]

  5. Extraction of Editing Biases Based on Editing Features of Movie Trailer

    Honoka Kakimoto, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 11th Forum on Data Engineering and Information Management (DEIM Forum 2019), Nagasaki, Japan, I3-5, March 4-6, 2019.

  6. Application of Rough Set as Knowledge in Transfer Learning for Medical Corpus Analysis

    Huaze Xie, Yuanyuan Wang, Mohd Anuaruddin Bin Ahmadon, Shingo Yamaguchi

    Proc. of the 11th Forum on Data Engineering and Information Management (DEIM Forum 2019), Nagasaki, Japan, B1-3, March 4-6, 2019.

  7. Query Keyword Extraction from Video Caption Data based on Spatio-Temporal Features

    Honoka Kakimoto, Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 10th Forum on Data Engineering and Information Management (DEIM Forum 2018), Fukui, Japan, H2-3, March 4-6, 2018.

  8. A Proposal of E-Commerce Recommendation System using Complaint Data and Review Data

    Toshinori Hayashi, Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 10th Forum on Data Engineering and Information Management (DEIM Forum 2018), Fukui, Japan, C5-5, March 4-6, 2018.

  9. Visualization of Dense Tweets based on Locations for Web and Twitter User Communication

    Yuanyuan Wang, Yukiko Kawai, Toyokazu Akiyama, Yoshiharu Ishikawa, Kazutoshi Sumiya

    Proc. of the 7th International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2015), Nara, Japan, August 4-6, 2015. (*This is closed workshop) [paper]

  10. A Students' Mutual Evaluation Method for Online Reports using Groupware

    Yuanyuan Wang, Ryosuke Yamashita, Yukiko Kawai, Setsuko Miyamoto, Kazutoshi Sumiya

    Proc. of the 7th Forum on Data Engineering and Information Management (DEIM Forum 2015), Koriyama, Japan, P3-3，March 2-4, 2015. [paper]

  11. An Exploratory Search Method for Presentation Contents based on User Browsing Behavior

    Yuanyuan Wang, Yukiko Kawai, Kazutoshi Sumiya

    Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), Awaji, Japan, A4-2，March 3-5, 2014. [paper]

    [Student Presentation Award(pdf)，Best Interactive Award(pdf)]

  12. Analyzing Dissemination Processes of Mail-based Disaster Information Systems -A Case Study of Typhoon Man-yi in 2013-

    Kota Tomoyasu, Yuanyuan Wang, Reo Kimura, Kazutoshi Sumiya

    Proc. of the 6th Forum on Data Engineering and Information Management (DEIM Forum 2014), Awaji, Japan, P3-5，March 3-5, 2014. [paper]

  13. A Word Cloud Visualization for Comparing Presentation Contents

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 4th Symposium on Social Computing (SoC 2013), pp. 47-52, Aoyama Gakuin Astudio, Tokyo, Japan, June 22, 2013. [paper]

  14. Context-based Word Clouds of Presentation Slides for Quick Browsing

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 5th Forum on Data Engineering and Information Management (DEIM Forum 2013), Koriyama, Japan, A10-4，March 3-5, 2013. [paper]

    [Student Presentation Award(pdf)，Interactive Award(pdf)]

  15. A Generation Method of Presentation Slides based on Expression Styles using Slide Structure

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 4th International Workshop with Mentors on Databases, Web and Information Management for Young Researchers (iDB Workshop 2012), B4-2, Nagoya University, Nagoya, Japan, July 31-August 2, 2012. (*This is closed workshop) [paper]

  16. Generating Slide Skeletons based on Expression Styles for Presentation Contents

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 4th Forum on Data Engineering and Information Management (DEIM Forum 2012), Kobe, Japan, D5-3，March 3-5, 2012. [paper]

  17. A Browsing Method for Presentation Slides Based on Semantic Relations and Document Structure

    Yuanyuan Wang, 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, Japan, August 1-3, 2011. (*This is closed workshop) [paper]

  18. A Snippet Generation Method for Retrieving Slides in Presentation Content Sharing Sites

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 2nd Symposium on Social Computing (SoC 2011), p. 26, Aoyama Gakuin Astudio, Tokyo, Japan, June 18, 2011. (Poster) [poster]

  19. Slide-KWIC Browser: Snippet Generation Based on Semantic Relations and Document Structure for Presentation Slides

    Yuanyuan Wang, Kazutoshi Sumiya

    Proc. of the 3rd Forum on Data Engineering and Information Management (DEIM Forum 2011)，Izu, Japan, B7-3，February 27-March 1, 2011. [paper]

  20. Semantic Ranking of Lecture Slides based on Conceptual Relationship and Presentational Structure

    Yuanyuan Wang, 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, Japan, August 2-4, 2010. (*This is closed workshop) [paper]

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