Publications

2008

• Tsung-Han Lin, Polly Huang, Hao-Hua Chu, Chuang-Wen You, "Energy-Efficient Boundary Detection for RF-Based Localization Systems," IEEE Transaction on Mobile Computing, June 2008.
• Ling-Jyh Chen, Chen-Hung Yu, Cheng-Long Tseng, Hao-Hua Chu, Cheng-Fu Chou, "A Content-Centric Framework for Effective Data Dissemination in Opportunistic Networks,"IEEE Journal of Selected Areas in Communications (JSAC), Vol. 26, No. 5, June 2008.
• Pei-Yu Peggy Chi, Jen-Hao Chen, Hao-Hua Chu, Jin-Ling Lo, "Enabling calorie-aware cooking in a smart kitchen," in Proceedings of the Third international Conference on Persuasive Technology (Persuasive 2008), Oulu, Finland, June, 2008.
• Chueh-Min Cheng, Meng-Fang Chung, Ming-Yang Yu, Ming Ouhyoung, Hao-Hua Chu, Yung-Yu Chuang, "ChroMirror: a real-time interactive mirror for chromatic and color-harmonic dressing," ACM CHI Extended Abstract (Work-in-Progress Session), Florence, Italy, April 2008, pp 2787-2792. [acceptance rate 38%]
• Yu-Chen Chang, Jin-Ling Lo, Chao-Ju Huang, Nan-Yi Hsu, Hao-Hua Chu, Hsin-Yen Wang, Pei-Yu Chi, Ya-Lin Hsieh, "Playful toothbrush: UbiComp technology for teaching tooth brushing to kindergarten children," in Proceedings of ACM CHI 2008, Florence, Italy, April 2008, pp 363-372. [acceptance rate 22%]

2007

• Chuang-wen You, Polly Huang, Hao-Hua Chu, Yi-Chao Chen, Ji-Rung Chiang, Seng-Yong Lau, “Impact of Sensor-Enhanced Mobility Prediction on the Design of Energy-Efficient Localization,” Ad Hoc Networks, November 2007.
• Jane Yung-Jen Hsu, Hao-Hua Chu, Polly Huang, "iCare project: adopting pervasive and persuasive computing for assisted cognition," Workshop on Intelligent Systems for Assisted Cognition, Rochester, New York, October 2007.
• Jin-Ling Lo, Tung-Yun Lin, Hao-Hua Chu, Hsi-Chin Chou, Jen-Hao Chen, Jane Yung-Jen Hsu, Polly Huang, "Playful tray: adopting UbiComp and persuasive techniques into play-based occupational therapy for reducing poor eating behavior in young children," in Proceedings of the 9th International Conference on Ubiquitous Computing (UBICOMP 2007), Innsbruck, Austria, September 2007, pp 38-55. [acceptance rate 19%]
• Hao-Ji Wu, Ho-Lin Chang, Chuang-Wen You, Hao-Hua Chu, Polly Huang, "Modeling and optimizing positional accuracy based on hyperbolic geometry for the adaptive radio interferometric positioning system," in Proceedings of 3rd International Symposium on Location- and Context-Awareness (LOCA 2007) in cooperation with UBICOMP 2007, Oberpfaffenhofen, Germany, September 2007, pp 228-244. [acceptance rate 30%, nominated for the best paper award]
• Yu-Chen Chang, Chao-Ju Huang, Jin-Ling Lo, Hao-Hua Chu, "A Playful toothbrush to motivate proper brushing for young children," in the Demo session and Adjunct Proceedings of the 9th International Conference on Ubiquitous Computing (UBICOMP 2007), Innsbruck, Austria, September 2007. (poster)
• Li-Shan Wang, Sheng-Hsiang Yu, Keng-Hao Chang, Sue-Huei Chen, Hao-Hua Chu, "Collaborative, context-aware experience sampling for depressive patients," in the Late Breaking Results (LBR) session and Adjunct Proceedings of the 9th International Conference on Ubiquitous Computing (UBICOMP 2007), Innsbruck, Austria, September 2007. (poster)
• Ju-Chun Ko, Yi-Ping Hung, Hao-Hua Chu, "Mug-Tree: a playful mug to encourage healthy habit of drinking fluid regularly," in the Late Breaking Results (LBR) session and Adjunct Proceedings of the 9th International Conference on Ubiquitous Computing (UBICOMP 2007), Innsbruck, Austria, September 2007.
• Shun-Yuan Yeh, Keng-Hao Chang, Chon-In Wu, Hao-Hua Chu, Jane Yung-Jen Hsu, "GETA sandals: a footstep location tracking system," Springer/ACM Personal and Ubiquitous Computing Journal (PUC), Volume 11, Issue 6, August 2007, pp 451-463.
• Pei-Yu Chi, Jen-Hao Chen, Shih-Yen Liu, Hao-Hua Chu, "Designing smart living objects - enhancing vs. distracting traditional human-object interaction," in Proceeding of the 12th International Conference on Human-Computer Interaction (HCII 2007), July 2007, pp 788-797.
• Ling-Jyh Chen, Yung-Chih Chen, Tony Sun, Paruvelli Sreedevi, Kuan-Ta Chen, Chen-Hung Yu, Hao-Hua Chu, "Finding self-similarities in opportunistic people networks," in Minisymposium of 26th Annual IEEE Conference on Computer Communications (INFOCOM 2007), May 2007. [acceptance rate 21%]
• Pei-Yu Chi, Jen-Hao Chen, Hao-Hua Chu, Bing-Yu Chen, "Enabling nutrition-aware cooking in a smart kitchen," in ACM CHI 2007 Extended Abstract (Work-in-progress) , April 2007, pp 2333-2338. (People's Choice Winner). (poster)
• Chon-In Wu, Chao-Ming (James) Teng, Yi-Chao Chen, Tung-Yun Lin, Hao-Hua Chu, Jane Yung-Jen Hsu, "Point-of-capture archiving and editing of personal experiences from a mobile device," Springer/ACM Personal and Ubiquitous Computing Journal(PUC), Volume 11, Issue 4, April 2007, pp 235-249.

2006

• Tung-yun Lin, Keng-hao Chang, Shih-yen Liu, Hao-hua Chu, "A persuasive game to encourage healthy dietary behaviors of young children," in Demo Session & Adjunct Proceedings of the 8th ACM International Conference on Ubiquitous Computing (UBICOMP 2006), California, September 2006.
• Jen-hao Chen, Keng-hao Chang, Pei-yu Chi, Hao-hua Chu. "A smart kitchen to promote healthy cooking," in Poster Session & Adjunct Proceedings of the 8th ACM International Conference on Ubiquitous Computing (UBICOMP 2006), California, September 2006.
• Chuang-wen You, Yi-Chao Chen, Ji-Rung Chiang, Polly Huang, Hao-hua Chu, Seng-Yong Lau, "Sensor-enhanced mobility prediction for energy-efficient localization," in Proceedings of Third Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2006), September 2006.[acceptance rate 26%, 63/243].
• Ling-Jyh Chen, Chen-Hung Yu Tony, Sun Yung-Chih Chen, Hao-hua Chu, "A hybrid routing approach for opportunistic networks," in Proceedings of ACM SIGCOMM workshop on Challenged Networks (CHANTS 2006), September 2006.
• Kuan-Ta Chen, Jhih-Wei Jiang, Polly Huang, Hao-Hua Chu, Chin-Laung Lei, Wen-Chin Chen, "Identifying MMORPG bots: a traffic analysis approach," in Proceedings of ACM SIGCHI International Conference on Advances in Computer Entertainment, June 2006. [full paper acceptance rate 13%, 16/126]
• Keng-hao Chang, Shih-yen Liu, Hao-hua Chu, Jane Hsu, Cheryl Chen, Tung-yun Lin, Chieh-yu Chen, Polly Huang, "Diet-Aware dining table: observing dietary behaviors over tabletop surface," in Proceedings of the International conference on Pervasive Computing (PERVASIVE 2006), Dublin Ireland, May 2006, pages 366-382. [full paper acceptance rate 13%, 24/178] (slides ppt)
• Li-wei Chan, Ji-rung Chiang, Yi-chao Chen, Chia-nan Ke, Jane Hsu, Hao-hua Chu, "Collaborative localization - enhancing WiFi-based position estimation with neighborhood links in clusters," in Proceedings of the International conference on Pervasive Computing (PERVASIVE 2006), Dublin Ireland, May 2006, pages 50-66. [full paper acceptance rate 13%, 24/178] (slides ppt)
• Chu-feng Lien, Hao-ji Wu, Hao-hua Chu, "Interactive care wall," in Proceedings of Workshop on pervasive display infrastructures, interfaces and applications, in conjunction with International conference on Pervasive Computing (PERVASIVE 2006), Dublin Ireland, May 7, 2006. (also published as Advances in Pervasive Computing 2006. in Adjunct Proceedings of the 4th International Conference on Pervasive Computing, Vol. 207, Austrian Computer Society), pages 33-36.
• Hsien-Ting Cheng, Ching-Lun Lin, Hao-hua Chu, "A collaborative privacy-enhanced alibi phone," in Proceedings of International Conference on Grid and Pervasive Computing, Tunghai University, Taiwan, May 2006, pages 405-414. [full paper acceptance rate 25%, 66/267]
• Tsung-han Lin, Ju-peng Chen, Hsing-hau Chen, Polly Huang, Hao-hua Chu, "Enabling energy-efficient and quality localization services," in Proceedings of the IEEE International Conference on Pervasive Computer and Communications (PERCOM 2006), Work In Progress Session, Pisa Italy, March 2006. [acceptance rate ~ 30%]

2005

• Chi-yau Lin, Chia-nan Ke, Shao-you Cheng, Jane Yung-jen Hsu, Hao-hua Chu, "Object reminder and safety alarm," in Proceedings of Second International Symposium on Ubiquitous Intelligence and Smart World (UISW2005), in conjunction with the IFIP International Conference on Embedded And Ubiquitous Computing (EUC'2005), Nagasaki, Japan, December 2005, pages 499-508. [acceptance rate ~ 1/3]
• Yi-chao Chen, Ji-rung Chiang, Hao-hua Chu, Polly Huang, Arvin Wen Tsui, "Sensor-assisted Wi-Fi indoor location system for adapting to environmental dynamics," in Proceedings of ACM International Symposium on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM 2005), Montreal, Quebec, October 2005, pages 118-125. [acceptance rate: 21%, 36/165]
• Keng-hao Chang, Shih-yen Liu, Jr-ben Tian, Hao-hua Chu, Cheryl Chen, "Dietary-aware dining table - tracking what and how much you eat," in Proceedings of Workshop on Smart Object Systems, in conjunction with the Seventh ACM International Conference on Ubiquitous Computing (UBICOMP 2005), Tokyo, Japan, September 2005, pages 61-68.
• Shun-yuan Yeh, Keng-hao Chang, Chon-in Wu, Okuda Kenji, Hao-hua Chu, "GETA sandals: walk away with localization," in Demo Session & Adjunct Proceedings of the Seventh ACM International Conference on Ubiquitous Computing (UBICOMP 2005), Tokyo, Japan, September 2005.
• Kenji Okuda, Shun-yuan Yeh, Chon-in Wu, Keng-hao Chang, Hao-hua Chu, "The GETA sandals: a footprint location tracking system," in Proceedings of Workshop on Location- and Context-Awareness (LOCA 2005), in Cooperation with Pervasive 2005, Munich, Germany, May 2005, pages 120-131. [acceptance rate 31%, 26/84]

2004

• Chao-ming Teng, Chon-in Wu, Yi-chao Chen, Hao-hua Chu, Yung-jen Hsu, "Design and evaluation of mProducer: a mobile authoring tool for personal experience computing," in Proceedings of the 3rd International conference on ACM Mobile and Ubiquitous Multimedia (MUM 2004), College Park, Maryland, October 2004, pages 141-148. [acceptance rate ~ 30%]
• Hao-hua Chu, Chuang-wen You, Chao-ming Teng, "Challenges: wireless web services," in Proceedings of Workshop on QoS and Dynamic Systems, July 2004.
• Chao-ming Teng, Hao-hua Chu, Chon-in Wu, "mProducer: authoring multimedia personal experiences on mobile phones," in Proceedings of IEEE International Conference on Multimedia and Expo (ICME’2004), Taipei, Taiwan, June 2004, pages 1251-1254.
• Chao-ming Teng, Hao-hua Chu, Jane Yung-jen Hsu, "Making use of serendipity: a new direction for pervasive computing from a sociological view," Tech Notes & in Adjunct Proceedings of 2nd International Conference on Pervasive Computing (PERVASIVE 2004), Linz/Vienna, Austria, April 2004, pages 303-308.
• Chuang-wen You, Hao-hua Chu, "Replicated client-server execution to overcome unpredictability in mobile environment," in Proceedings of IEEE 4th Workshop on Applications and Services in Wireless Networks (IEEE ASWN), Boston, MA, August 2004, pages 21-29.
• Hao-hua Chu, Henry Song, Candy Wong, Shoji Kurakake, Masaji Katagiri, "Roam, A seamless application framework," Journal of Systems and Software, Volumn 69(3), pages 209-226, January 2004.

2003 & Prior

• Candy Wong, Hao-hua Chu, Masaji Katagiri. A single-authoring technique for building device-independent presentations. W3C Device Independent Authoring Techniques Workshop, St. Leon-Rot, Germany, September 2002.
• Henry Song, Hao-hua Chu, Nayeem Islam, Shoji Kurakake, Masaji Katagiri. Browser state repository service. in Proceedings of International Conference on Pervasive Computing (PERVASIVE 2002), Zurich, Switzerland, August 2002, pages 253-266. [acceptance rate: 12%]
• Candy Wong, Hao-hua Chu, and Masaji Katagiri. GUI migration across heterogeneous Java profiles. in Proceedings of ACM CHI-NZ 2002, July 2002.
• Henry Song, Hao-hua Chu, Shoji Kurakake. Browser session preservation and migration. in Proceedings of WWW’2002, Hawaii, May 2002.
• Hao-hua Chu Lintian Qiao, Klara Nahrstedt. A secure multicast protocol with copyright protection. ACM Computer Communication Review, Volume 32, Issue 2, pages: 42-60, April 2002.
• Hao-hua Chu, Henry Song, Candy Wong, Shoji Kurakake. Seamless applications over Roam system. ACM Ubitools (Part of UBICOMP 2001), Atlanta, September 2001.
• Hao-hua Chu, Lintian Qiao, Klara Nahrstedt. A secure multicast protocol with copyright protection. in Proceedings of IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, San Jose, January 1999.
• C.S. Potter, Hao-hua Chu, B. Frey, C. Green, N. Kisseberth, T.J. Madden, K.L. Miller, Klara Nahrstedt, J. Pulokas, A. Reilein, D. Tcheng, D. Weber, B. Carragher. Leginon: A system for fully automated acquisition of 1000 electron micrographs a day. Ultramicroscopy Journal, vol. 77, pp. 153-161, North-Holland Publisher, July 1999.
• Hao-hua Chu, Klara Nahrstedt. CPU service classes for multimedia applications. in Proceedings of IEEE International Conference on Multimedia Computing and Systems (ICMCS'99), Florence, Italy, June 1999.
• Klara Nahrstedt, Hao-hua Chu, Srinivas Narayan. QoS-aware resource management for distributed multimedia applications. Journal of High Speed Networks, Special Issue on Multimedia Networking, Volume 7(3,4): 229-258, IOS Press, March 1998.
• C. Lin, Hao-hua Chu, Klara Nahrstedt. A soft real-time scheduling server on the Windows NT. in Proceedings of 2nd USENIX Windows NT Symposium, Seattle, August 1998. [acceptance rate: 26%]
• Hao-hua Chu, Klara Nahrstedt. A soft real time scheduling server in UNIX operating system. in Proceedings of European Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services, Darmstadt, Germany, September 1997.
• Hao-hua Chu, Klara Nahrstedt, "Multi-path communication for video traffic," in Proceedings of HICSS-30, Maui, January 1997.

PhD Thesis

• Chuang-Wen Chuang, "Enabling Energy-Efficient Localization Services on Sensor Network Positioning Systems, " PhD Thesis, Graduate Institute of Computer Science and Information Engineering, National Taiwan University, January, 2008.
• Hao-hua Chu, "CPU Service Classes: A Soft Real Time Framework for Multimedia Applications," Ph.D. Thesis, Department of Computer Science, University of Illinois at Urbana-Champaign, August, 1999.

Master Thesis

• Ho-lin Chang(張鶴齡), "High-Precision Indoor Localization Using Spinning Beacons," (利用旋轉發信器之精準室內定位). Department of Computer Science and Information Engineering, National Taiwan University, June 2008. (ppt)
• Dori Tung-yun Lin (林東昀), "Playful tray: adopting Ubicomp and persuasive techniques into play-based occupational therapy for correcting poor eating behaviors in young children," (遊戲中改善幼兒用餐行為-結合職能治療、普及計算與說服力科技的好玩餐盤). M.S. Thesis, Graduate Institute of Networking and Multimedia, National Taiwan University, June 2007. (ppt)
• Chen-Hung Yu (游鎮鴻), "Effective data and video file transfer in opportunistic networks," (臨機網路中基於Erasure Coding之路由與資料傳輸) M.S. Thesis, Department of Computer Science and Information Engineering, National Taiwan University, June 2007.
• Hao-Ji Wu (吳昊極), "Modeling and optimizing positional accuracy based on hyperbolic geometry for the adaptive radio interferometric positioning system," (利用雙曲線的幾何特性對於適性無線電波干涉定位系統的定位精準度進行模型化與最佳化) M.S. Thesis, Department of Computer Science and Information Engineering, National Taiwan University, June 2007.
• Chu-Feng Lien (連矩鋒), "Performance comparison between GSM and Wi-Fi localization in both indoor and outdoor environments," (室內及室外環境下之GSM/Wi-Fi定位系統分析比較) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, January 2007.
• Shun-Yuan Yeh (葉舜元), "GETA sandals: wearable indoor self location tracking system," (穿戴式室內人員自我定位系統) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2006.
• Shin-jan Wu (吳欣展), "RFID-assisted physical object location tracking system," (利用無線射頻辨識技術輔助之物品位置追踨系統) M.S. Thesis, Graduate Institute of Networking and Multimedia , National Taiwan University, July 2006.
• Keng-hao Chang (張耿豪), "Diet-aware dining table – a smart surface to observe tabletop dietary behaviors," (飲食感測餐桌 - 感測飲食行為之智慧平面) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2006.
• Yi-Chao Chen (陳奕超), "Sensor-assisted Wi-Fi indoor location system for adapting to environmental dynamics," (利用感測器輔助可適應環境變因的無線網路室內定位系統) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2006.
• Ji-Rung Chiang (蔣季融), "Collaborative localization: enhancing WiFi-based position estimation with neighborhood links in clusters," (合作定位：利用人群間鄰近連結改善無線網路定位系統之準確性) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2006.
• Jr-Ben Tian (田知本), "Modeling and comparison of two time synchronization protocols," (兩種時間同步化協定的模型建立與比較) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2006.
• Kenji Okuda (奥田健次), "The GETA sandals: A Footprint Location Tracking System," (日本木屐: 利用足跡追蹤位置系統) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, June 2005.
• Chon-in Wu (吳忠穎), "Point-of-capture archiving and editing of personal experiences from a mobile device," (隨身影片編輯系統) M.S. Thesis, Graduate Institute of Computer Science and Information Engineering , National Taiwan University, July 2005.

U.S. Patents

• Hao-hua Chu, Shoji Kurakake. Method and system for effecting migration of application among heterogeneous devices. United States Patent 7080159 (Granted), July 18, 2006.
• Hao-hua Chu, Hoi Lee Wong, Yu Song, Shoji Kurakake. Dynamic adaptation of GUI presentations to heterogeneous device platforms. United States Patent 7234111 (Granted), June 19, 2007.
• Yu Song, Hao-hua Chu, Shoji Kurakake. Secure sharing of personal devices among different users. United States Patent 7143443 (Granted), November 28, 2006.
• Hao-hua Chu, Yu Song, Shoji Kurakake. Communication socket migration among different devices. United States Patent 6920501 (Granted), July 19, 2005.
• Complete list of pending patent applications (see www.freepatentsonline.com)

Taiwan Patents

• Hao-hua Chu, Shun-yuan Yeh, Chung-ying Wu, Kenji Okuda (NTU).足跡追蹤系統 (Footprint tracking system), Taiwan Patent #I283759, July 11, 2007.
• Hao-hua Chu, 隨身影片剪輯系統與方法, Taiwan Patent #I221731, August 10, 2007.