Japanese

News

Interests
  • Wearable/Ubiquitous Sensing
  • Activity Recognition
  • Lifelogging
  • Web Contents Engineering

Publications (English Only)
Selected
  1. Kazuya Ohara, Takuya Maekawa, and Yasuyuki Matsushita: Detecting State Changes of Indoor Everyday Objects using Wi-Fi Channel State Information, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Vol. 1, Issue 3, pp. - (2017 to appear). (Presented at UbiComp 2017)
  2. Masumi Shirakawa, Takahiro Hara and Takuya Maekawa: Never Abandon Minorities: Exhaustive Extraction of Bursty Phrases on Microblogs Using Set Cover Problem, Conference on Empirical Methods in Natural Language Processing (EMNLP 2017) (Sept. 2017, to appear)
  3. Joseph Korpela and Takuya Maekawa: Privacy-Preserving Recognition of Object-based Activities Using Near-Infrared Reflective Markers, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. , Issue , pp. - (accepted). [Impact Factor(2016): 2.395]
  4. Osamu Ammae, Joseph Korpela, and Takuya Maekawa: Unobtrusive Detection of Body Movements During Sleep Using Wi-Fi Received Signal Strength With Model Adaptation Technique, Elsevier Future Generation Computer Systems, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 2.430]
  5. Hiroaki Santo, Takuya Maekawa, and Yasuyuki Matsushita: Device-free and Privacy Preserving Indoor Positioning using Infrared Retro-reflection Imaging, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2017), pp. 141-152 (Mar. 2017). (Acceptance rate for full papers = 28/194 = 14.4%)
  6. Taisei Hayashi, Daisuke Taniuchi, Joseph Korpela, and Takuya Maekawa: Spatio-temporal Adaptive Indoor Positioning Using an Ensemble Approach, Elsevier Pervasive and Mobile Computing, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 1.719]
  7. Takuya Maekawa, Daisuke Nakai, Kazuya Ohara, and Yasuo Namioka: Toward Practical Factory Activity Recognition: Unsupervised Understanding of Repetitive Assembly Work in a Factory, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 1088-1099 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  8. Quan Kong, Takuya Maekawa, Taiki Miyanishi, and Takayasu Suyama: Selecting Home Appliances with Smart Glass based on Contextual Information, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 97-108 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  9. Masaya Tachikawa, Takuya Maekawa, and Yasuyuki Matsushita: Predicting Location Semantics Combining Active and Passive Sensing with Environment-independent Classifier, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 220-231 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  10. Taiki Miyanishi, Jun-ichiro Hirayama, Quan Kong, Takuya Maekawa, Hiroki Moriya and Takayasu Suyama: Egocentric Video Search via Physical Interactions, Proc. of the 30th AAAI Conference on Artificial Intelligence (AAAI-16), pp. 330-337 (Feb. 2016). (Acceptance rate = 549/2132 = 26%)
  11. Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki, and Hiroo Tamagawa: Evaluating Tooth Brushing Performance With Smartphone Sound Data, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 109-120 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  12. Kazuya Ohara, Takuya Maekawa, Yasue Kishino, Yoshinari Shirai, and Futoshi Naya: Transferring Positioning Model for Device-free Passive Indoor Localization, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 885-896 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  13. Joseph Korpela, Kazuyuki Takase, Takahiro Hirashima, Takuya Maekawa, Julien Eberle, Dipanjan Chakraborty, and Karl Aberer: An Energy-Aware Method for the Joint Recognition of Activities and Gestures Using Wearable Sensors, Proc. of International Symposium on Wearable Computers (ISWC 2015), pp. 101-108 (Sept. 2015). (Acceptance rate for full papers = 13/121 = 10.7%)
  14. Daisuke Taniuchi, Xiaopeng Liu, Daisuke Nakai, and Takuya Maekawa: Spring Model based Collaborative Indoor Position Estimation with Neighbor Mobile Devices, IEEE Journal of Selected Topics in Signal Processing , Vol. 9, Issue 2, pp. 268-277 (Mar. 2015). [Impact Factor(2013): 3.629]
  15. Daisuke Taniuchi and Takuya Maekawa: Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning, ACM Transactions on Embedded Computing Systems, Vol. 14, Issue 2, pp. 27:1-27:23 (Feb. 2015). [Impact Factor(2012): 1.178]
  16. Takuya Maekawa, Naomi Yamashita, and Yasushi Sakurai: How Well Can a User's Location Privacy Preferences be Determined Without Using GPS Location Data?, IEEE Transactions on Emerging Topics in Computing, Vol. , Issue , pp. - (to appear).
  17. Quan Kong and Takuya Maekawa: Identifying Outlets at which Electrical Appliances are Used by Electrical Wire Sensing to Gain Positional Information about Appliance Use, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2014), pp. 349-360 (Sept. 2014). (Acceptance rate = 94/454 = 20.7%)
  18. Quan Kong and Takuya Maekawa: Reusing Training Data with Generative/Discriminative Hybrid Model for Practical Acceleration-based Activity Recognition, Springer Computing, Vol. 96, Issue 9, pp. 875-895 (Sept. 2014). [Impact Factor(2013): 1.055]
  19. Yuki Tsuda, Quan Kong, and Takuya Maekawa: Detecting and Correcting WiFi Positioning Errors, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2013), pp. 777-786 (Sept. 2013). (Acceptance rate = 92/394 = 23.4%)[pdf]
  20. Tomoya Hirano and Takuya Maekawa: A Hybrid Unsupervised/Supervised Model for Group Activity Recognition, Proc. of International Symposium on Wearable Computers (ISWC 2013), pp. 21-24 (Sept. 2013). (Acceptance rate = 20/88 = 23%)[pdf]
  21. Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, and Takayuki Suyama: Activity Recognition with Hand-worn Magnetic Sensors, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, Issue 6, pp. 1085-1094 (Aug. 2013). [Impact Factor(2013): 1.616]
  22. Takuya Maekawa and Shinji Watanabe: Training Data Selection with User's Physical Characteristics Data for Acceleration-based Activity Modeling, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, Issue 3, pp. 451-463 (Mar. 2013). [Impact Factor(2013): 1.616]
  23. Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, and Yasushi Sakurai: Recognizing Handheld Electrical Device Usage with Hand-worn Coil of Wire, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 234-252 (June 2012). (Acceptance rate = 28/138 = 20%)[pdf]
  24. Takuya Maekawa, Yasue Kishino, Yutaka Yanagisawa, and Yasushi Sakurai: Mimic Sensors: Battery-shaped Sensor Node for Detecting Electrical Events of Handheld Devices, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 20-38 (June 2012). (Acceptance rate = 28/138 = 20%)[pdf]
  25. Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, and Takeshi Okadome: Context-Aware Web Search in Ubiquitous Sensor Environments, ACM Transactions on Internet Technology (ACM TOIT), Vol. 11, No. 3, pp. 12:1-12:23 (Jan. 2012). [Impact Factor(2011): 0.893]
  26. Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, and Takayuki Suyama: Recognizing the Use of Portable Electrical Devices with Hand-worn Magnetic Sensors, Proc. of International Conference on Pervasive Computing (Pervasive 2011), pp. 276-293 (June 2011). (Acceptance rate = 22/93 = 23.7%) [pdf]
  27. Takuya Maekawa and Shinji Watanabe: Unsupervised Activity Recognition with User's Physical Characteristics Data, Proc. of International Symposium on Wearable Computers (ISWC 2011), pp. 89-96 (June 2011). (Acceptance rate = 6/31 = 19.3%) [Best Paper Nominee] [pdf]
  28. Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Katsuhiko Ishiguro, Koji Kamei, Yasushi Sakurai, and Takeshi Okadome: Object-based Activity Recognition with Heterogeneous Sensors on Wrist, Proc. of International Conference on Pervasive Computing (Pervasive 2010), pp. 246-264 (May 2010). (Acceptance rate = 25/157 = 16%) [pdf]
  29. Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, and Takeshi Okadome: Web Searching for Daily Living, Proc. of International ACM SIGIR Conference (SIGIR 2009), pp. 27-34 (July 2009). (Acceptance rate = 78/494 =16%) [pdf]
  30. Takuya Maekawa, Yutaka Yanagisawa, Yasue Kishino, Koji Kamei, Yasushi Sakurai, and Takeshi Okadome: Object-Blog System for Environment-Generated Content, IEEE Pervasive Computing, Vol. 7, No. 4, pp. 20-27 (Oct.-Dec. 2008). [Impact Factor(2008): 2.615] [pdf draft]
  31. Takuya Maekawa, Takahiro Hara, and Shojiro Nishio: Image Classification for Mobile Web Browsing, Proc. of International World Wide Web Conference (WWW 2006), pp. 43-52 (May 2006). (Acceptance rate = 75/667 =11%) [pdf]
  32. Takuya Maekawa, Takahiro Hara, and Shojiro Nishio: A Collaborative Web Browsing System for Multiple Mobile Users, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2006), pp. 22-35 (Mar. 2006). (Acceptance rate = 23/280 =8%) [pdf]
Full Publications
Journal & Magazine
  1. Osamu Ammae, Joseph Korpela, and Takuya Maekawa: Unobtrusive Detection of Body Movements During Sleep Using Wi-Fi Received Signal Strength With Model Adaptation Technique, Elsevier Future Generation Computer Systems, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 2.430]
  2. Taisei Hayashi, Daisuke Taniuchi, Joseph Korpela, and Takuya Maekawa: Spatio-temporal Adaptive Indoor Positioning Using an Ensemble Approach, Elsevier Pervasive and Mobile Computing, Vol. , Issue , pp. - (accepted). [Impact Factor(2015): 1.719]
  3. Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki, and Hiroo Tamagawa: Toothbrushing Performance Evaluation Using Smartphone Audio Based on Hybrid HMM-Recognition/SVM-Regression Model, Journal of Information Processing, Vol. 24, No. 2, pp. 302-313 (Mar. 2016).
  4. Akira Masuda and Takuya Maekawa: Estimating Physical Characteristics with Body-worn Accelerometers Based on Activity Similarities, Journal of Information Processing, Vol. 24, No. 2, pp. 237-246 (Mar. 2016).
  5. Akira Masuda, Kun Zhang, and Takuya Maekawa: Sonic Home: Environmental Sound Collection Game for Human Activity Recognition, Journal of Information Processing, Vol. 24, No. 2, pp. 203-210 (Mar. 2016).
  6. Daisuke Taniuchi, Xiaopeng Liu, Daisuke Nakai, and Takuya Maekawa: Spring Model based Collaborative Indoor Position Estimation with Neighbor Mobile Devices, IEEE Journal of Selected Topics in Signal Processing , Vol. 9, Issue 2, pp. 268-277 (Mar. 2015). [Impact Factor(2013): 3.629]
  7. Daisuke Taniuchi and Takuya Maekawa: Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning, ACM Transactions on Embedded Computing Systems, Vol. 14, Issue 2, pp. 27:1-27:23 (Feb. 2015). [Impact Factor(2012): 1.178]
  8. Takuya Maekawa, Naomi Yamashita, and Yasushi Sakurai: How Well Can a User's Location Privacy Preferences be Determined Without Using GPS Location Data?, IEEE Transactions on Emerging Topics in Computing, Vol. , Issue , pp. - (to appear).
  9. Y. Yasuda and Takuya Maekawa: Acceleration-based Activity Recognition with Adaptive Training Data Selection using Physical Characteristics Information, Rangsit Journal of Information Technology, Vol. 1, No. 2, pp. 6-15 (2013.7-12).
  10. Quan Kong and Takuya Maekawa: Reusing Training Data with Generative/Discriminative Hybrid Model for Practical Acceleration-based Activity Recognition, Springer Computing, Vol. 96, Issue 9, pp. 875-895 (Sept. 2014). [Impact Factor(2013): 1.055]
  11. Takuya Maekawa, Yasue Kishino, Yasushi Sakurai, and Takayuki Suyama: Activity Recognition with Hand-worn Magnetic Sensors, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, No. 6, pp. 1085-1094 (Aug. 2013). [Impact Factor(2013): 1.616]
  12. Takuya Maekawa and Shinji Watanabe: Training Data Selection with User's Physical Characteristics Data for Acceleration-based Activity Modeling, ACM/Springer Personal and Ubiquitous Computing (ACM/Springer PUC), Vol. 17, Issue 3, pp. 451-463 (Mar. 2013). [Impact Factor(2013): 1.616]
  13. Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai, Yasue Kishino, Koji Kamei, and Takeshi Okadome: Context-Aware Web Search in Ubiquitous Sensor Environments, ACM Transactions on Internet Technology (ACM TOIT), Vol. 11, No 3, pp. 12:1-12:23 (Jan. 2012). [Impact Factor(2011): 0.893]
  14. T. Okadome, Y. Kishino, Takuya Maekawa, K. Kamei, Y. Yanagisawa, Y. Sakurai: Event Search Engine, International Journal of Cognitive Informatics and Natural Intelligence (IJCINI), Vol. 4, No. 1, pp.30-44 (Jan.-Mar. 2010).
  15. K. Kamei, Y. Yanagisawa, Takuya Maekawa, Y. Kishino, Y. Sakurai, and T. Okadome: Incremental Knowledge Construction for Real-World Event Understanding, International Journal of Cognitive Informatics and Natural Intelligence (IJCINI), Vol. 4, No. 1, pp.65-79 (Jan.-Mar. 2010).
  16. Takuya Maekawa, Y. Yanagisawa, and T. Okadome: Estimating which Object-Type a Sensor Node is Attached to in Ubiquitous Sensor Environment, International Journal of Software Science and Computational Intelligence, Vol. 2, No.1, pp. 86-101 (Jan.-Mar. 2010).
  17. Takuya Maekawa, Y. Yanagisawa, Y. Kishino, K. Kamei, Y. Sakurai, and T. Okadome: Object-Blog System for Environment-Generated Content, IEEE Pervasive Computing, Vol. 7, No. 4, pp. 20-27 (Oct.-Dec. 2008). [Impact Factor(2008): 2.615] [pdf draft]
  18. Y. Arase, Takuya Maekawa, T. Hara, T. Uemukai, and S. Nishio: A Web Browsing System for Cellular Phone Users based on Adaptive Presentation, Springer Universal Access in the Information Society, Vol. 6, No. 3, pp. 259--271 (Nov. 2007).
  19. T. Okadome,, Y. Kishino, Takuya Maekawa, K. Kamei, Y. Yanagisawa, and Y. Sakurai: Real-time creation of web content about physical objects and events using sensor network, Ubiquitous Computing and Communication Journal, Special Issue on Ubiquitous Sensor Networks (Oct. 2007).
  20. Takuya Maekawa, T. Uemukai, T. Hara, and S. Nishio: An information browsing system using a Java-based cellular phone in a remote display environment, Systems and Computers in Japan, Vol. 37, Issue 10, pp. 342-346 (Sept. 2006).
International Conference
  1. Hiroaki Santo, Takuya Maekawa, and Yasuyuki Matsushita: Device-free and Privacy Preserving Indoor Positioning using Infrared Retro-reflection Imaging, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2017), pp. - (Mar. 2017). (Acceptance rate = / =%)
  2. Takuya Maekawa, Akira Masuda, Yasuo Namioka: Identification from ceiling: unconstrained person identification for tabletops using multiview learning, Proc. of International Conference on Mobile and Ubiquitous Multimedia (MUM 2016), pp. 273-284 (Dec. 2016).
  3. Takuya Maekawa, Yuki Sakumichi:Initial investigation of indoor positioning system that parasitizes home lighting, Proc. of International Conference on Mobile and Ubiquitous Multimedia (MUM 2016), pp. 319-321 (Dec. 2016).
  4. Kazuya Ohara, Daisuke Nakai, Takuya Maekawa, Yasuo Namioka: Preliminary Investigation of Unsupervised Measurement of AssemblyWork Lead Time by UsingWearable Sensor, Proc. of Asian Conference on Information Systems (ACIS 2016), pp. 217-218, poster paper (Oct. 2016).
  5. Takuya Maekawa, Kazuya Ohara, Yizhe Zhang, Quan Kong, and Keita Kobayashi: Towards Advanced Sensor-based Baseball Pitcher Coaching: Preliminary Investigation of Early Classification of Pitches, Proc. of Asian Conference on Information Systems (ACIS 2016), pp. 215-216, poster paper (Oct. 2016).
  6. Takuya Maekawa, Daisuke Nakai, K. Ohara, and Y. Namioka: Toward Practical Factory Activity Recognition: Unsupervised Understanding of Repetitive Assembly Work in a Factory, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 1088-1099 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  7. Q. Kong, Takuya Maekawa, T. Miyanishi, and T. Suyama: Selecting Home Appliances with Smart Glass based on Contextual Information, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 97-108 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  8. M. Tachikawa, Takuya Maekawa, and Y. Matsushita: Predicting Location Semantics Combining Active and Passive Sensing with Environment-independent Classifier, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pp. 220-231 (Sept. 2016). (Acceptance rate = 114/481 = 23.7%)
  9. J. Korpela, Takuya Maekawa, J. Eberle, D. Chakraborty, and K. Aberer: Tree-structured Classifier for Acceleration-based Activity and Gesture Recognition on Smartwatches, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2016), Work-in-Progress session (Mar. 2016).
  10. Daisuke Nakai, Takuya Maekawa, and Yasuo Namioka: Towards Unsupervised Measurement of Assembly Work Cycle Time by Using Wearable Sensor, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2016), Work-in-Progress session (Mar. 2016).
  11. Akira Masuda, Takuya Maekawa, and Yasuo Namioka: Preliminary Investigation of Unconstrained Person Identification for Tabletops using Soft Biometrics, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2016), Work-in-Progress session (Mar. 2016).
  12. T. Miyanishi, J. Hirayama, Q. Kong, Takuya Maekawa, H. Moriya and T. Suyama: Egocentric Video Search via Physical Interactions, Proc. of the 30th AAAI Conference on Artificial Intelligence (AAAI-16), pp. 330-337 (Feb. 2016). (Acceptance rate = 549/2132 = 26%)
  13. Joseph Korpela, Ryosuke Miyaji, Takuya Maekawa, Kazunori Nozaki and Hiroo Tamagawa: Evaluating Toothbrushing Performance Using GMM-based Sound Recognition and Regression Analysis, Proc. of Asian Conference on Information Systems (ACIS 2015), poster paper, (Oct. 2015).
  14. Kazuya Ohara, Takuya Maekawa, Yasue Kishino, Yoshinari Shirai and Futoshi Naya: Preliminary Investigation of Low-cost Device-free Passive Indoor Positioning using Model Transfer, Proc. of Asian Conference on Information Systems (ACIS 2015), poster paper, (Oct. 2015) [Best Poster Award].
  15. J. Korpela, R. Miyaji, Takuya Maekawa, K. Nozaki, and H. Tamagawa: Evaluating Tooth Brushing Performance With Smartphone Sound Data, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 109-120 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  16. K. Ohara, Takuya Maekawa, Y. Kishino, Y. Shirai, and F. Naya: Transferring Positioning Model for Device-free Passive Indoor Localization, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 885-896 (Sept. 2015). (Acceptance rate = 120/394 = 30.4%)
  17. J. Korpela, K. Takase, T. Hirashima, Takuya Maekawa, J. Eberle, D. Chakraborty, and K. Aberer: An Energy-Aware Method for the Joint Recognition of Activities and Gestures Using Wearable Sensors, Proc. of International Symposium on Wearable Computers (ISWC 2015), pp. 101-108 (Sept. 2015). (Acceptance rate for full papers = 13/121 = 10.7%)
  18. D. Taniuchi and Takuya Maekawa: Robust Wi-Fi based Indoor Positioning with Ensemble Learning, Proc. of IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2014), pp. 596-601 (Oct. 2014). (Acceptance rate = 47/210 = 22%) [Student Best Paper Award]
  19. Q. Kong and Takuya Maekawa: Identifying Outlets at which Electrical Appliances are Used by Electrical Wire Sensing to Gain Positional Information about Appliance Use, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2014), pp. 349-360 (Sept. 2014). (Acceptance rate = 94/454 = 20.7%)
  20. Y. Tsuda, Q. Kong, and Takuya Maekawa: Detecting and Correcting WiFi Positioning Errors, Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2013), pp. 777-786 (Sept. 2013). (Acceptance rate = 92/394 = 23.4%)[pdf]
  21. T. Hirano and Takuya Maekawa: A Hybrid Unsupervised/Supervised Model for Group Activity Recognition, Proc. of International Symposium on Wearable Computers (ISWC 2013), pp. 21-24 (Sept. 2013). (Acceptance rate = 20/88 = 23%)[pdf]
  22. Takuya Maekawa: A Sensor Device for Automatic Food Lifelogging that is Embedded in Home Ceiling Light: A Preliminary Investigation, Proc. of International Conference Pervasive Computing Technologies for Healthcare (PervasiveHealth), pp. 405-407 (May 2013).
  23. Takuya Maekawa, Y. Kishino, Y. Yanagisawa, and Y. Sakurai: Recognizing Handheld Electrical Device Usage with Hand-worn Coil of Wire, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 234-252 (June 2012). (Acceptance rate = 28/138 = 20%)
  24. Takuya Maekawa, Y. Kishino, Y. Yanagisawa, and Y. Sakurai: Mimic Sensors: Battery-shaped Sensor Node for Detecting Electrical Events of Handheld Devices, Proc. of International Conference on Pervasive Computing (Pervasive 2012), pp. 20-38 (June 2012). (Acceptance rate = 28/138 = 20%)
  25. Takuya Maekawa, Y. Kishino, Y. Yanagisawa, and Y. Sakurai: WristSense: Wrist-worn Sensor Device with Camera for Daily Activity Recognition, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2012), pp. 510-512, Demo presentation (Mar. 2012).
  26. Takuya Maekawa, Y. Kishino, Y. Yanagisawa, and Y. Sakurai: WPT: A Toolkit for Publishing a Web-based Lifelog, Proc. of International and Interdisciplinary Conference on Modeling and Using Context (Context 2011), pp. 185-199 (Sept. 2011). (Acceptance rate = 17/52 = 32.7%)
  27. Takuya Maekawa, Y. Kishino, Y. Sakurai, and T. Suyama: Recognizing the Use of Portable Electrical Devices with Hand-worn Magnetic Sensors, Proc. of International Conference on Pervasive Computing (Pervasive 2011), pp. 276-293 (June 2011). (Acceptance rate = 22/93 = 23.7%) [pdf]
  28. Takuya Maekawa and S. Watanabe: Unsupervised Activity Recognition with User's Physical Characteristics Data, Proc. of International Symposium on Wearable Computers (ISWC 2011), pp. 89-96 (June 2011). (Acceptance rate = 6/31 = 19.3%) [Best Paper Nominee] [pdf]
  29. Takuya Maekawa, Y. Yanagisawa, Y. Kishino, K. Ishiguro, K. Kamei, Y. Sakurai, and T. Okadome: Object-based Activity Recognition with Heterogeneous Sensors on Wrist, Proc. of International Conference on Pervasive Computing (Pervasive 2010), pp. 246-264 (May 2010). (Acceptance rate = 25/157 = 16%) [pdf]
  30. Shohei Yoshioka, Takuya Maekawa, Yasushi Hirano, Shoji Kajita, and Kenji Mase: Interactive Story Creation for Knowledge Acquisition, Proc. of 5th ACM/IEEE International Conference on Human-Robot Interaction (HRI2010) (Mar. 2010).
  31. S. Yoshioka, Y. Hirano, S. Kajita, K. Mase, and Takuya Maekawa: Semi-automatic Story Creation System in Ubiquitous Sensor Environment, Proc. of European Conference on Ambient Intelligence (AmI 2009), pp. 106-111, (Nov. 2009).
  32. Takuya Maekawa, Y. Yanagisawa, Y. Kishino, K. Kamei, Y. Sakurai, and T. Okadome: Wristband Type Sensor Device for Recognizing Activities that Involve Object Use, European Conference on Ambient Intelligence (AmI 2009), Poster paper, (Nov. 2009).
  33. Takuya Maekawa, Y. Yanagisawa, Y. Sakurai, Y. Kishino, K. Kamei, and T. Okadome: Web Searching for Daily Living, Proc. of International ACM SIGIR Conference (SIGIR 2009), pp. 27-34 (July 2009). (Acceptance rate = 78/494 =16%) [pdf]
  34. Y. Kishino, Y. Sakurai, K. Kamei, Y. Yanagisawa, Takuya Maekawa, and T. Okadome: Hierarchical Clustering for Efficient Data Gathering in High-Density Sensor Networks, International Conf. on Pervasive Computing (PERVASIVE 2009), LBR paper.
  35. Y. Yanagisawa, Takuya Maekawa, Y. Kishino, Y. Sakurai, and T. Okadome: A Relative Positioning Technique with Low-frequency Waves, International Conf. on Pervasive Computing (PERVASIVE 2009), LBR paper.
  36. Y. Kishino, Y. Sakurai, K. Kamei, Y. Yanagisawa, Takuya Maekawa, and T. Okadome: Data Gathering in High-Density Wireless Sensor Networks using Hierarchical Clustering, Proc. of IEEE International Symposium on Wireless Communication Systems (ISWCS '08), pp. 547-551 (Oct. 2008).
  37. K. Kamei, Y. Yanagisawa, Takuya Maekawa, Y. Kishino, Y. Sakurai, T. Okadome: A Labeling Tool for a Sensor Networked Environment with a Real-world Knowledge Construction Model, Int'l Conference on Ubiquitous Computing (UbiComp 2008), Poster (Sep. 2008).
  38. Takuya Maekawa, Y. Yanagisawa, Y. Sakurai, Y. Kishino, K. Kamei and T. Okadome: Web Page Retrieval in Ubiquitous Sensor Environments, Proc. of International ACM SIGIR Conference (SIGIR 2008), Poster paper, pp. 759-760 (July 2008). (Acceptance rate = 85full + 9poster/496 =19%)
  39. Y. Yanagisawa, Takuya Maekawa, Y. Kishino, Y. Sakurai, and T. Okadome: Estimation of Relative Position between Real Objects using Sensor Nodes, Proc. of Intl. Conf. on Pervasive Services (ICPS 2008), pp. 61-64 (July 2008).
  40. Takuya Maekawa, Y. Yanagisawa, Y. Kishino K. Kamei ,Y.Sakurai, and T. Okadome: Tag and Think: Inferring what a sensor node is attached to, Proc. of International Conference on Pervasive Services (ICPS 2008), pp. 27-36 (July 2008).
  41. T. Kanda, Y. Yanagisawa, Takuya Maekawa, M. Imai, and T. Okadome: Contact-based Notation for Describing Rules on Sensor Nodes, Proc. of Intl. Workshop on Sensor Network Technologies for Information Explosion Era (SeNTIE2008), pp. 159-165 (May 2008).
  42. K. Kamei, Y. Yanagisawa, Takuya Maekawa, Y. Kishino, Y. Sakurai, and T. Okadome: Tagging Strategies for Extracting Real-world Events with Networked Sensors, Proc. of ICMI07 Workshop on Tagging, Mining and Retrieval of Human-Related Activity Information, pp. 36-43 (Nov. 2007).
  43. Takuya Maekawa, Y. Yanagisawa, and T. Okadome: Towards Environment Generated Media: Object-participation-type Weblog in Home Sensor Network, Proc. of International World Wide Web Conference (WWW 2007), Poster paper, pp. 1267-1268 (May 2007). [pdf]
  44. T. Kanda, Y. Yanagisawa, Takuya Maekawa, M. Imai, H. Kawashima, T. Okadome: A Distributed Inference System on Sensor Nodes using Neighbors' Context Data, Proc. of IEEE International Workshop on Databases for Next-Generation Researchers (SWOD 2007), pp. 116-121 (Mar. 2007).
  45. Takuya Maekawa, T. Hara, and S. Nishio: Image Classification for Mobile Web Browsing, Proc. of International World Wide Web Conference (WWW 2006), pp. 43-52 (May 2006). (Acceptance rate = 75/667 =11%) [pdf]
  46. Y. Arase, Takuya Maekawa, T. Hara, and S. Nishio: A Web Browsing System based on Adaptive Presentation of Web Contents for Cellular Phones, Proc. of International Cross-Disciplinary Workshop on Web Accessibility 2006 (W4A 2006), pp. 86-89 (May 2006).
  47. K. Nakayama, Takuya Maekawa, H. Tomiyasu, T. Hara, and S. Nishio: GeoNote.net: A Social Network System for Geographic Information, Proc. of Int'l Workshop on Tools and Applications on Mobile Contents (TAMC 2006), pp. 46-53 (May 2006).
  48. H. Tomiyasu, Takuya Maekawa, T. Hara, and S. Nishio: Profile-based Query Routing in a Mobile Social Network, Proc. of Int'l Workshop on Future Mobile and Ubiquitous Information Technologies (FMUIT 2006), pp. 101-104 (May 2006).
  49. Takuya Maekawa, T. Hara, and S. Nishio: A Collaborative Web Browsing System for Multiple Mobile Users, Proc. of IEEE Int'l Conf. on Pervasive Computing and Communications (PerCom 2006), pp. 22-35 (Mar. 2006). (Acceptance rate = 23/280 =8%) [pdf]
  50. Takuya Maekawa, T. Uemukai, T. Hara, and S. Nishio: Content Description and Partitioning Methods for Collaborative Browsing by Multiple Mobile Users, Proc. of Int'l Workshop on Mobility in Databases and Distributed Systems (MDDS 2005), pp. 1068-1072 (Aug. 2005)
  51. H. Tomiyasu, Takuya Maekawa, T. Hara, and S. Nishio: Social Network Applications using Cellular Phones with E-mail Function, Proc. of Int'l Special Workshop on Databases for Next Generation Researchers (SWOD 2005), pp. 136-139 (Apr. 2005).
  52. Takuya Maekawa, T. Uemukai, T. Hara, and S. Nishio: A Java-Based Information Browsing System in a Remote Display Environment, Proc. of IEEE Int'l Conf. on E-Commerce Technology (CEC 2004), pp. 342-346 (July 2004).
Demo
  1. Takuya Maekawa, A. Kimura, and H. Sakano: Wearable Sensor Device for Automatic Recording of Hand Drawings, Asian Conference on Computer Vision, demo session (Nov. 2010).
  2. Takuya Maekawa, Y. Yanagisawa, and T. Okadome: Weblog to which Daily Objects Post Entries in Sensor Networked Environment, Int'l Conference on Ubiquitous Computing (UbiComp 2007), demo session (Sept. 2007).
  3. Takuya Maekawa, T. Hara, and S. Nishio: Two Aproaches to Browse Large Web Pages using Mobile Devices, Int'l Conference on Mobile Data Management (MDM 2006) (May 2006).
  4. Takuya Maekawa, T. Hara, and S. Nishio: Automatic Web Page Browsing for Mobile Users, Int'l Workshop on Biologically Inspired Approaches to Advanced Information (Bio-adit2006) (Jan. 2006).
Publications (DBLP)
Publications (Google Scholar Citations)
Press (English Only)
  1. NTT creating sensors for seniors, The Japan Times, Feb. 24, 2011.
  2. Japan company developing sensors for seniors, The Washington Post, Yahoo! News, abc NEWS, Forbes, Bloomberg, The Boston Globe, The Seattle Times, THE AGE, National Public Radio, CBS NEWS (Associated Press), Feb. 22, 2011.

Invited talk and Seminar (English Only)
  1. Takuya Maekawa: Good pervasive computing studies require laborious data labeling efforts: Our experience in activity recognition and indoor positioning studies, Keynote Speech, PerCom 2017 Workshop on Annotation of useR Data for UbiquitOUs Systems (ARDUOUS2017) (Mar, 2017).
  2. Takuya Maekawa: Understanding real-world events with multi-modal sensor data from ubiquitous, wearable, and smartphone sensors, Keynote Speech, ICME Workshop on Cross-media Analysis for Social Multimedia (CASM2014) (July, 2014).
  3. Takuya Maekawa: Sensor-based Context Understanding for Healthcare Applications, International Symposium on Wearable Health Care Sensors (Oct., 2013).
  4. Takuya Maekawa: Real World Web Data Engineering: Sensor and Web Data Processing for Real World Applications, The 21st Grace Seminar (May, 2009).

Social Activity
  • Int'l Symp. on Wearable Computers (ISWC 2017), Technical Program Committee.
  • Int'l Joint Conf. on Pervasive and Ubiquitous Computing (UbiComp 2016), Reviewer.
  • International ACM SIGIR Conference (SIGIR 2016), Poster Program Committee.
  • Asian Conference on Information Systems (ACIS 2015), Program Co-Chair.
  • Int'l Joint Conf. on Pervasive and Ubiquitous Computing (UbiComp 2015), Secretary, Technical Program Committee.
  • International ACM SIGIR Conference (SIGIR 2015), Poster Program Committee.
  • International ACM SIGIR Conference (SIGIR 2014), Poster Program Committee.
  • IEEE International Conference on Pervasive Computing and Communications (PerCom 2014), Technical Program Committee.
  • International ACM SIGIR Conference (SIGIR 2013), Poster Program Committee.
  • Asian Conference on Information Systems (ACIS 2013), Publication Co-Chair.
  • International Conference on Ubiquitous Computing (UbiComp 2012), Reviewer.
  • International ACM SIGIR Conference (SIGIR 2012), Poster Program Committee.
  • International Symposium on Wearable Computers (ISWC 2012), Reviewer.
  • ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2012), Reviewer.
  • International Conference on Pervasive Computing (Pervasive 2012), External Reviewer.
  • International ACM SIGIR Conference (SIGIR 2011), Poster Program Committee.
  • IEEE International Symposium on Mining and Web (MAW 2011), PC member.
  • IEEE International Symposium on Mining and Web (MAW 2010), PC member.
  • ACM Conference on Human Factors in Computing Systems (CHI 2009), External Reviewer.
  • IEEE International Symposium on Mining and Web (MAW 2009), PC member.
  • IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PacRim 2007), PC member (Aug. 2007).
  • International Conference on Database Systems for Advanced Applications (DASFAA 2007), PC member (Apr. 2007).
  • International Conference on Smart Homes and Health Telematics (ICOST 2007), Organizing Comittee (June 2007).