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Professor Sumi Helal

Chair in Digital Health

  1. 2019
  2. Published

    Energy Savings in Very Large Cloud-IoT Systems

    Xu, Y., Helal, S., Lee, C. & Khaled, A. E., 12/08/2019, In : Open Journal of Internet of Things. 5, 1, p. 6-28 23 p.

    Research output: Contribution to journalJournal article

  3. Published

    From Smart Homes to Smart-ready Homes and Communities

    Helal, A. & Bull, C. N., 28/06/2019, In : Dementia and Geriatric Cognitive Disorders. 47, 3, p. 157-163 7 p.

    Research output: Contribution to journalJournal article

  4. Published

    Persuasive Health: Back to the Future

    Wilson, E. D., Helal, A., Bull, C. N. & Honary, M., 20/05/2019, Pervasive Computing Technologies for Healthcare (PervasiveHealth) Conference, 2019: IMPACT Workshop. ACM, p. 426-434 9 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  5. Published

    iPOJO flow: a declarative service workflow architecture for ubiquitous cloud applications

    Zhang, X., Lee, C. & Helal, S., 1/04/2019, In : Journal of Ambient Intelligence and Humanized Computing. 10, 4, p. 1483–1494 12 p.

    Research output: Contribution to journalJournal article

  6. Forthcoming

    The Importance of Being Thing: Or the Trivial Role of Powering Serious IoT Scenarios

    Helal, S., Khaled, A. & Lindquist, W., 28/03/2019, (Accepted/In press) Proceedings of the IEEE ICDCS Conference 2019. IEEE

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  7. Published

    SLA-based adaptation schemes in distributed stream processing engines

    Hanif, M., Kim, E., Helal, S. & Lee, C., 13/03/2019, In : Applied Sciences (Switzerland). 9, 6, 21 p., 1045.

    Research output: Contribution to journalJournal article

  8. Published

    Interoperable communication framework for bridging RESTful and topic-based communication in IoT

    Khaled, A. E. & Helal, S., 1/03/2019, In : Future Generation Computer Systems. 92, p. 628-643 16 p.

    Research output: Contribution to journalJournal article

  9. Published

    Guest Editor's Introduction: Special Section on Services and Software Engineering Towards Internetware

    Blake, M. B. (ed.), Helal, S. (ed.) & Mei, H. (ed.), 5/02/2019, In : IEEE Transactions on Services Computing. 12, 1, p. 4-5 2 p.

    Research output: Contribution to journalEditorial

  10. Published

    TOSCA-based and federation-aware cloud orchestration for Kubernetes container platform

    Kim, D., Muhammad, H., Kim, E., Helal, S. & Lee, C., 7/01/2019, In : Applied Sciences (Switzerland). 9, 1, 13 p., 191.

    Research output: Contribution to journalJournal article

  11. Published

    Context awareness computing in smart spaces using stochastic analysis of sensor data

    Lee, J. W. & Helal, S., 2019, Intelligent Human Systems Integration 2019. IHSI 2019. Karwowski, W. & Ahram, T. (eds.). Cham: Springer-Verlag, p. 3-9 7 p. ( Advances in Intelligent Systems and Computing; vol. 903).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter (peer-reviewed)

  12. 2018
  13. Published

    Demo abstract: DIY health IoT apps

    Khaled, A., Lindquist, W. & Helal, S., 7/11/2018, SenSys '18 Proceedings of the 16th ACM Conference on Embedded Networked Sensor Systems. New York: ACM, p. 406-407 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  14. Published

    The Expanding Frontier of Artificial Intelligence

    Helal, S., 09/2018, In : Computer. 51, 9, p. 14-17 4 p.

    Research output: Contribution to journalEditorial

  15. Published

    Energy saving Techniques in Mobile Crowd Sensing: Current State and Future Opportunities

    Wang, J., Wang, Y., Zhang, D. & Helal, S., 30/05/2018, In : IEEE Communications Magazine. 56, 5, p. 164-169 6 p.

    Research output: Contribution to journalJournal article

  16. Published

    IoT-DDL—Device Description Language for the “T” in IoT

    Khaled, A. E., Helal, A., Lindquist, W. & Lee, C., 10/04/2018, In : IEEE Access. 6, p. 24048-24063 17 p.

    Research output: Contribution to journalJournal article

  17. 2017
  18. Published

    Demo: Atlas thing architecture - Enabling mobile apps as things in the IoT: 23rd Annual International Conference on Mobile Computing and Networking, MobiCom 2017

    Helal, S., Khaled, A. E. & Gutta, V., 16/10/2017, MobiCom '17 Proceedings of the 23rd Annual International Conference on Mobile Computing and Networking. New York: ACM, p. 480-482 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  19. Published

    Blueprint Flow: A Declarative Service Composition Framework for Cloud Applications

    Lee, C., Wang, C., Kim, E. & Helal, S., 4/09/2017, In : IEEE Access. 5, p. 17634-17643 10 p.

    Research output: Contribution to journalJournal article

  20. Published

    Computer's 50th anniversary

    Helal, S., 5/01/2017, In : Computer. 50, 1, p. 15-18 4 p.

    Research output: Contribution to journalEditorial

  21. Published

    Enabling End-To-End Orchestration of Multi-Cloud Applications

    Alexander, K., Lee, C., Kim, E. & Helal, S., 2017, In : IEEE Access. 5, p. 18862-18875 14 p.

    Research output: Contribution to journalJournal article

  22. Published

    High fidelity simulation and visualization of activities of daily living in Persim 3D

    Liu, S., Helal, S., Lee, J. W., B., A. (ed.), H., A. (ed.), M., M. (ed.) & [Unknown], (Translator), 2017, International Conference on Smart Homes and Health Telematics ICOST 2017. Mokhtari, M., Abdulrazak, B. & Aloulou, H. (eds.). Cham: Springer, 13 p. (Lecture Notes in Computer Science; vol. 10461).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  23. 2016
  24. Published

    Fine-Grained Multitask Allocation for Participatory Sensing With a Shared Budget

    Wang, J., Wang, Y., Zhang, D., Wang, L., Xiong, H., Helal, A., He, Y. & Wang, F., 1/12/2016, In : IEEE Internet of Things Journal. 3, 6, p. 1395-1405 11 p.

    Research output: Contribution to journalJournal article

  25. Published

    Automatic agent generation for IoT-based smart house simulator

    Lee, W., Cho, S., Chu, P., Vu, H., Helal, S., Song, W., Jeong, Y-S. & Cho, K., 12/10/2016, In : Neurocomputing. 209, p. 14-24 11 p.

    Research output: Contribution to journalJournal article

  26. Published

    VM capacity-aware scheduling within budget constraints in IaaS clouds

    Thanasias, V., Lee, C., Hanif, M., Kim, E. & Helal, S., 8/08/2016, In : PLoS ONE. 11, 8, 21 p., e0160456.

    Research output: Contribution to journalJournal article

  27. Published

    Scalable Cloud–Sensor Architecture for the Internet of Things

    Xu, Y. & Helal, A., 06/2016, In : IEEE Internet of Things Journal. 3, 3, p. 285-298 14 p.

    Research output: Contribution to journalJournal article

  28. Published

    A Context-Driven Worker Selection Framework for Crowd-Sensing

    Wang, J., Wang, Y., Helal, S. & Zhang, D., 1/03/2016, In : International Journal of Distributed Sensor Networks. 12, 3

    Research output: Contribution to journalJournal article

  29. Published

    2016 Outlook: Humans in the Technology Loop

    Helal, S., 2016, In : Computer. 49, 1, p. 7-9 3 p.

    Research output: Contribution to journalEditorial

  30. Published

    Cicero: Middleware for developing persuasive mobile applications

    D’Aloia, A., Lelli, M., Lee, D., Helal, S. & Bellavista, P., 2016, 11th International Conference on Persuasive Technology, PERSUASIVE 2016. Meschtscherjakov, A., De Ruyter, B., Fuchsberger, V., Murer, M. & Tscheligi, M. (eds.). Cham: Springer, p. 137-149 13 p. (Lecture Notes in Computer Science; vol. 9638).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  31. Published

    Inferring contexts from human activities in smart spaces

    Lee, J. W. & Helal, S., 2016, 29th International Florida Artificial Intelligence Research Society Conference, FLAIRS 2016. Markov, Z. & Russell, I. (eds.). Palo Alto: AAAI, p. 695-700 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  32. 2015
  33. Published

    Persim 3D: Context-Driven Simulation and Modeling of Human Activities in Smart Spaces

    Lee, J. W., Cho, S., Liu, S., Cho, K. & Helal, S., 1/10/2015, In : IEEE Transactions on Automation Science and Engineering. 12, 4, p. 1243-1256 14 p.

    Research output: Contribution to journalJournal article

  34. Published

    However You Like It: Computer's Enhanced Digital Format or Affordable Print Option

    Helal, S., 09/2015, In : Computer. 48, 9, p. 6 1 p.

    Research output: Contribution to journalEditorial

  35. Published

    WSelector: A multi-scenario and multi-view worker selection framework for crowd-sensing

    Wang, J., Helal, S., Wang, Y., Zhang, D., J., M. (ed.), A., L. (ed.), H., N. (ed.) & L.T., Y. (ed.), 10/08/2015, Ubiquitous Intelligence and Computing and 2015 IEEE 12th Intl Conf on Autonomic and Trusted Computing and 2015 IEEE 15th Intl Conf on Scalable Computing and Communications and Its Associated Workshops (UIC-ATC-ScalCom), 2015 IEEE 12th Intl Conf on. IEEE, p. 54-61 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  36. Published

    Analyzing activity recognition uncertainties in smart home environments

    Kim, E., Helal, S., Nugent, C. & Beattie, M., 08/2015, In : ACM Transactions on Intelligent Systems and Technology. 6, 4, 52.

    Research output: Contribution to journalJournal article

  37. Published

    Smart spaces

    Helal, S. & Tarkoma, S., 04/2015, In : IEEE Pervasive Computing. 14, 2, p. 22-23 2 p.

    Research output: Contribution to journalEditorial

  38. Published

    Activity playback modeling for smart home simulation

    Liu, S., Helal, S. & Lee, J. W., 2015, 13th International Conference on Smart Homes and Health Telematics, ICOST 2015. Geissbühler, A., Demongeot, J., Mokhtari, M., Abdulrazak, B. & Aloulou, H. (eds.). Cham: Springer, 11 p. (Lecture Notes in Computer Science; vol. 9102).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  39. Published

    An optimization framework for cloud-sensor systems: 2014 6th IEEE International Conference on Cloud Computing Technology and Science, CloudCom 2014

    Xu, Y. & Helal, S., 2015, Cloud Computing Technology and Science (CloudCom), 2014 IEEE 6th International Conference on. IEEE, p. 38-45 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  40. Published

    Enabling elastic services for OSGi-based cloud platforms

    Kim, D., Lee, C. & Helal, S., 2015, 7th International Conference on Ubiquitous and Future Networks, ICUFN 2015. IEEE, p. 407-409 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  41. Published

    Smart Homes and Health Telematics: 12th International Conference, ICOST 2014, Denver, CO, USA, June 25-27, 2014, Revised Papers

    Bodine, C. (ed.), Helal, S. (ed.), Gu, T. (ed.) & Mokhtari, M. (ed.), 2015, Cham: Springer. (Lecture Notes in Computer Science; vol. 8456)

    Research output: Book/Report/ProceedingsProceedings

  42. Published

    SmartE'15: The 2nd international workshop on smart environments: Closing the loop, 2015 - Welcome and committees: Welcome message from the workshop chairs

    Holder, L. & Helal, S., 2015, Pervasive Computing and Communication Workshops (PerCom Workshops), 2015 IEEE International Conference on. IEEE, p. 1-2 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNOther chapter contribution

  43. Published

    Sustaining Computer's impact and adapting to change

    Helal, S., 2015, In : Computer. 48, 1, p. 7-9 3 p.

    Research output: Contribution to journalEditorial

  44. 2014
  45. Published

    On detection and tracking of variant phenomena clouds

    Thai, M. T., Tiwari, R., Bose, R. & Helal, S., 1/01/2014, In : ACM Transactions on Sensor Networks. 10, 2, 33 p., 34.

    Research output: Contribution to journalJournal article

  46. Published

    A formal modeling for exceptions in context-aware systems

    Yoon, T-S., Choi, J-H., Cho, E-S., Helal, S., C., S. (ed.), B., M. (ed.), C.K., C. (ed.), Y., G. (ed.), K., Y. (ed.), A., H. (ed.), Y., O. (ed.), M., M. (ed.) & [Unknown], 2014, 38th Annual IEEE Computer Software and Applications Conference Workshops, COMPSACW 2014. IEEE, p. 734-739 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  47. Published

    Application caching for cloud-sensor systems

    Xu, Y. & Helal, S., 2014, MSWiM '14 Proceedings of the 17th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems. New York: ACM, p. 303-306 4 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  48. Published

    Budget-aware task scheduling in the cloud

    Thanasias, V., Lee, C. & Helal, S., 2014, 6th International Conference on Ubiquitous and Future Networks, ICUFN 2014. IEEE, p. 309-310 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  49. Published

    Context activity selection and scheduling in context-driven simulation

    Lee, J. W., Helal, S., Sung, Y., Cho, K. & [Unknown], 2014, DEVS '14 Proceedings of the Symposium on Theory of Modeling & Simulation - DEVS Integrative. San Diego: Society for Computer Simulation International, p. 60-67 8 p. 9

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  50. Published

    Palantir: Crowdsourced Newsification Using Twitter

    Raj, P. & Helal, S., 2014, Ubiquitous Intelligence and Computing, 2014 IEEE 11th Intl Conf on and IEEE 11th Intl Conf on and Autonomic and Trusted Computing, and IEEE 14th Intl Conf on Scalable Computing and Communications and Its Associated Workshops (UTC-ATC-ScalCom). IEEE, p. 220-227 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  51. 2013
  52. Published

    A context-driven approach to scalable human activity simulation

    Lee, J. W., Helal, S., Sung, Y. & Cho, K., 2013, SIGSIM PADS '13 Proceedings of the 1st ACM SIGSIM Conference on Principles of Advanced Discrete Simulation. New York: ACM, p. 373-378 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  53. Published

    An integrated formal model for context-Aware systems

    Cho, E-S., Yoon, T-S., Choi, J-H., Paik, J-Y. & Helal, S., 2013, Computer Software and Applications Conference Workshops (COMPSACW), 2013 IEEE 37th Annual. IEEE, p. 163-168 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  54. Published

    Assessing behavioral responses in persuasive ubiquitous systems

    Lee, D., Helal, S. & Sung, Y., 2013, nternational Conference on Smart Homes and Health Telematics: ICOST 2013: Inclusive Society: Health and Wellbeing in the Community, and Care at Home . Biswas, J., Kobayashi, H., Wong, L., Abdulrazak, B. & Mokhtari, M. (eds.). Berlin: Springer, p. 176-186 11 p. (Lecture Notes in Computer Science; vol. 7910 ).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  55. Published

    Bayesian-based scenario generation method for human activities

    Sung, Y., Helal, S., Lee, J. W. & Cho, K., 2013, SIGSIM PADS '13 Proceedings of the 1st ACM SIGSIM Conference on Principles of Advanced Discrete Simulation. New York: ACM, p. 147-157 11 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  56. Published

    Context-driven control algorithms for scalable simulation of human activities in smart homes

    Lee, J. W., Helal, S., Sung, Y. & Cho, K., 2013, Ubiquitous Intelligence and Computing, 2013 IEEE 10th International Conference on and 10th International Conference on Autonomic and Trusted Computing (UIC/ATC). IEEE, p. 285-292 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  57. Published

    Dynamic parameter filling for semantic exceptions in context-aware systems

    Cho, E-S., Choi, J-H. & Helal, S., 2013, 10th IEEE International Conference on Ubiquitous Intelligence and Computing, UIC 2013 and 10th IEEE International Conference on Autonomic and Trusted Computing, ATC 2013. IEEE, p. 293-300 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  58. Published

    From activity recognition to situation recognition

    Lee, D. & Helal, S., 2013, International Conference on Smart Homes and Health Telematics: ICOST 2013: Inclusive Society: Health and Wellbeing in the Community, and Care at Home. Biswas, J., Kobayashi, H., Wong, L., Abdulrazak, B. & Mokhtari, M. (eds.). Berlin: Springer, p. 245-251 7 p. (Lecture Notes in Computer Science; vol. 7910).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  59. Published

    Fuzzy logic based activity life cycle tracking and recognition

    Kim, E. & Helal, S., 2013, Inclusive Society: Health and Wellbeing in the Community, and Care at Home: 11th International Conference on Smart Homes and Health Telematics, ICOST 2013, Singapore, June 19-21, 2013, Proceedings. Biswas, J. & Kobayashi, H. (eds.). Berlin: Springer, p. 252-258 7 p. (Lecture Notes in Computer Science; vol. 7910).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  60. Published

    General Chair's welcome message

    Helal, S., 2013, MobiCom'13 The 19th Annual International Conference on Mobile Computing and Networking. New York: ACM

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  61. Published

    MobiCom '13: Proceedings of the 19th annual international conference on Mobile computing & networking

    Helal, S. (ed.), Chandra, R. (ed.) & Kravets, R. (ed.), 2013, New York: ACM. 490 p.

    Research output: Book/Report/ProceedingsProceedings

  62. Published

    Spaceify: a client-edge-server ecosystem for mobile computing in smart spaces

    Savolainen, P., Helal, S., Reitmaa, J., Kuikkaniemi, K., Jacucci, G., Rinne, M., Turpeinen, M., Tarkoma, S. & SIGMOBILE, ACM., 2013, MobiCom '13 Proceedings of the 19th annual international conference on Mobile computing & networking. New York: ACM, p. 211-213 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  63. 2012
  64. Published

    Exploiting whole-network mobility for mobile service discovery

    Lee, C., Helal, S., Kim, E. & Lee, W., 11/2012, In : Information. 15, 11 B, p. 5197-5216 20 p.

    Research output: Contribution to journalJournal article

  65. Published

    Exploiting visual quasi-periodicity for real-time chewing event detection using active appearance models and support vector machines

    Cadavid, S., Abdel-Mottaleb, M. & Helal, S., 08/2012, In : Personal and Ubiquitous Computing. 16, 6, p. 729-739 11 p.

    Research output: Contribution to journalJournal article

  66. Published

    System-wide support for safety in pervasive spaces

    Chen, C. & Helal, S., 06/2012, In : Journal of Ambient Intelligence and Humanized Computing. 3, 2, p. 113-123 11 p.

    Research output: Contribution to journalJournal article

  67. Published

    3D modeling and simulation of human activities in smart spaces

    Helal, S., Cho, K., Lee, W., Sung, Y., Lee, J. W. & Kim, E., 2012, Ubiquitous Intelligence & Computing and 9th International Conference on Autonomic & Trusted Computing (UIC/ATC), 2012 9th International Conference on. IEEE, p. 112-119 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  68. Published

    An intermediate language for semantic exceptions in context-aware systems

    Cho, E-S. & Helal, S., 2012, 36th IEEE Annual International Computer Software and Applications Conference, COMPSAC 2012. IEEE, p. 364-365 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  69. Published

    Message from the UIC 2012 General Chairs

    Apduhan, B. O., Helal, S. & Hsu, C-H., 2012, Ubiquitous Intelligence & Computing and 9th International Conference on Autonomic & Trusted Computing (UIC/ATC), 2012 9th International Conference on. IEEE, p. xix-xx 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNOther chapter contribution

  70. Published

    Mobile Platforms and Development Environments

    Helal, S., Bose, R. & Li, W., 2012, Morgan and Claypool. 120 p. (Synthesis Lectures on Mobile and Pervasive Computing)

    Research output: Book/Report/ProceedingsBook

  71. Published

    Ontology Design and Implementation for RFID services

    Byun, Y-C., Kang, M-S. & Helal, S., 2012, 25th International Conference on Computer Applications in Industry and Engineering, CAINE 2012 and the 4th International Symposium on Sensor Network and Application, SNA 2012. Curran Associates, Inc. , p. 47-50 4 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  72. Published

    Participatory and persuasive telehealth

    Lee, D., Helal, S., Anton, S., De Deugd, S. & Smith, A., 2012, In : Gerontology. 58, 3, p. 269-281 13 p.

    Research output: Contribution to journalJournal article

  73. Published

    Toward a collaboration model for smart spaces

    Chen, C., Helal, S., De Deugd, S., Smith, A. & Chang, C. K., 2012, Software Engineering for Sensor Network Applications (SESENA), 2012 Third International Workshop on. IEEE, p. 37-42 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  74. Published

    Toward an ecosystem for developing and programming assistive environments

    Helal, S., Chen, C., Kim, E., Bose, R. & Lee, C., 2012, In : Proceedings of the IEEE . 100, 8, p. 2489-2504 16 p.

    Research output: Contribution to journalJournal article

  75. Published

    Toward efficient detection of semantic exceptions in context-aware systems

    Cho, E-S. & Helal, S., 2012, Ubiquitous Intelligence & Computing and 9th International Conference on Autonomic & Trusted Computing (UIC/ATC), 2012 9th International Conference on. IEEE, p. 826-831 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  76. 2011
  77. Published

    A device-centric approach to a safer Internet of Things

    Chen, C. & Helal, S., 2011, NoME-IoT '11 Proceedings of the 2011 international workshop on Networking and object memories for the internet of things. New York: ACM, p. 1-6 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  78. Published

    A situation-based exception detection mechanism for safety in pervasive systems

    Cho, E-S. & Helal, S., 2011, 11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011. IEEE, p. 196-201 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  79. Published

    Adaptive push-pull protocols for P2P-based video streaming

    Jo, D., Helal, S., Kim, E., Lee, W. & Lee, C., 2011, In : IEICE Transactions on Communications. E94-B, 10, p. 2759-2762 4 p.

    Research output: Contribution to journalJournal article

  80. Published

    An optimal algorithm for coverage hole healing in hybrid sensor networks

    Nguyen, D. T., Nguyen, N. P., Thai, M. T. & Helal, S., 2011, 7th International Wireless Communications and Mobile Computing Conference, IWCMC 2011. IEEE, p. 494-499 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  81. Published

    Assurance-oriented activity recognition

    Kim, E., Helal, S., Nugent, C. & Lee, J. W., 2011, SAGAware '11 Proceedings of the 2011 international workshop on Situation activity & goal awareness. New York: ACM, p. 15-24 10 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  82. Published

    IT footprinting-groundwork for future smart cities

    Helal, S., 2011, In : Computer. 44, 6, p. 30-31 2 p.

    Research output: Contribution to journalJournal article

  83. Published

    Modeling human activity semantics for improved recognition performance

    Kim, E. & Helal, S., 2011, 8th International Conference on Ubiquitous Intelligence and Computing, UIC 2011. Hsu, C. H., Yang, L. T., Ma, J. & Zhu, C. (eds.). Berlin: Springer, p. 514-528 15 p. (Lecture Notes in Computer Science; vol. 6905).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  84. Published

    Optimizing push/pull envelopes for energy-efficient cloud-sensor systems

    Xu, Y., Helal, S., Thai, M. T., Schmalz, M. & SIGSIM, ACM., 2011, MSWiM '11 Proceedings of the 14th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems. New York: ACM, p. 17-26 10 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  85. Published

    Persim-simulator for human activities in pervasive spaces

    Helal, S., Lee, J. W., Hossain, S., Kim, E., Hagras, H. & Cook, D., 2011, Intelligent Environments (IE), 2011 7th International Conference on. IEEE, p. 192-199 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  86. Published

    Revisiting human activity frameworks: Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering

    Kim, E. & Helal, S., 2011, International Conference on Sensor Systems and Software S-CUBE 2010: Sensor Systems and Software . Par, G. & Morrow, P. (eds.). Berlin: Springer, p. 219-234 16 p. (Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering; vol. 57).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  87. 2010
  88. Published

    The Landscape of Pervasive Computing Standards

    Helal, S., 06/2010, San Rafael, Calif.: Morgan and Claypool. 101 p. (Synthesis lectures on mobile and pervasive computing; vol. 7)

    Research output: Book/Report/ProceedingsBook

  89. Published

    Human activity recognition and pattern discovery

    Kim, E., Helal, S. & Cook, D., 01/2010, In : IEEE Pervasive Computing. 9, 1, p. 48-53 6 p.

    Research output: Contribution to journalJournal article

  90. Published

    A fuzzy based verification agent for the Persim human activity simulator in Ambient Intelligent Environments

    Elfaham, A., Hagras, H., Helal, S., Hossain, S., Lee, J. W. & Cook, D., 2010, 2010 6th IEEE World Congress on Computational Intelligence, WCCI 2010. IEEE

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  91. Published

    A mobile-cloud collaborative traffic lights detector for blind navigation

    Angin, P., Bhargava, B. & Helal, S., 2010, 11th IEEE International Conference on Mobile Data Management, MDM 2010. IEEE, p. 396-401 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  92. Published

    An action-based behavior model for persuasive telehealth

    Lee, D., Helal, S. & Johnson, B. D., 2010, Aging Friendly Technology for Health and Independence. ICOST 2010. . Lee, Y., Bien, Z. Z., Mokhtari, M., Kim, J. T., Park, M., Kim, J., Lee, H. & Khalil, I. (eds.). Berlin: Springer, p. 121-129 9 p. (Lecture Notes in Computer Science; vol. 6159).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  93. Published

    Improved impact-echo approach for non-destructive testing and evaluation

    Zhang, R., Olson, L. D., Seibi, A., Helal, S., Khalil, A. & Rahim, M., 2010, 3rd WSEAS International Conference on Sensors and Signals, SENSIG'10, 3rd WSEAS International Conference on Materials Science, MATERIALS'10. p. 139-144 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  94. Published

    Localized energy efficient detection and tracking of dynamic phenomena

    Tiwari, R., Thai, M. T. & Helal, S., 2010, 53rd IEEE Global Communications Conference, GLOBECOM 2010. IEEE

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  95. Published

    Panel description: towards new roles and system architecture supporting the full life cycle of smart spaces

    Helal, S., 2010, 34th Annual IEEE International Computer Software and Applications Conference, COMPSAC 2010. IEEE, p. 26 1 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  96. Published

    Reactive programming optimizations in pervasive computing

    Chen, C., Xu, Y., Li, K. & Helal, S., 2010, 2010 10th Annual International Symposium on Applications and the Internet, SAINT 2010. IEEE, p. 96-104 9 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  97. Published

    Sensor-aware adaptive push-pull query processing in wireless sensor networks

    Bose, R. & Helal, S., 2010, 2010 6th International Conference on Intelligent Environments, IE 2010. IEEE, p. 243-248 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  98. Published

    The making of a dataset for smart spaces

    Kim, E., Helal, S., Lee, J. & Hossain, S., 2010, International Conference on Ubiquitous Intelligence and Computing, UIC 2010. Yu, Z., Liscano, R., Chen, G., Zhang, D. & Zhou, X. (eds.). Berlin: Springer, p. 110-124 15 p. (Lecture Notes in Computer Science; vol. 6406).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  99. Published

    Toward a programming model for safer pervasive spaces

    Chen, C. & Helal, S., 2010, Symposia and Workshops Held in Conjunction with the 7th International Conference on Ubiquitous Intelligence and Computing, UIC 2010 and the 7th International Conference on Autonomic and Trusted Computing, ATC 2010. IEEE, p. 52-57 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  100. 2009
  101. Published

    University-industry synergy: An eclectic dialog for revised relationships

    Helal, S., 09/2009, In : Computer. 42, 9, p. 88-89 2 p.

    Research output: Contribution to journalJournal article

  102. Published

    Device integration in SODA using the device description language

    Chen, C. & Helal, S., 20/07/2009, 2009 9th Annual International Symposium on Applications and the Internet, SAINT 2009. IEEE, p. 100-106 7 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  103. Published

    Adaptive wireless thin-client model for mobile computing

    Al-Turkistany, M., Helal, S. & Schmalz, M., 01/2009, In : Wireless Communications and Mobile Computing. 9, 1, p. 47-59 13 p.

    Research output: Contribution to journalJournal article

  104. Published

    Algorithms for the detection of chewing behavior in dietary monitoring applications

    Schmalz, M. S., Helal, S. & Mendez-Vasquez, A., 2009, In : Proceedings of SPIE. 7444, 11 p.

    Research output: Contribution to journalJournal article

  105. Published

    Assistive environments for successful aging

    Helal, S., King, J., Bose, R., El-Zabadani, H. & Kaddourah, Y., 2009, Advanced Intelligent Environments. Kameas, A. D., Callagan, V., Hagras, H., Weber, M. & Minker, W. (eds.). Boston: Springer, p. 1-26 26 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  106. Published

    Estimation of indoor physical activity level based on footstep vibration signal measured by mems accelerometer in smart home environments

    Lee, H., Park, J. W. & Helal, S., 2009, 2nd International Workshop on Mobile Entity Localization and Tracking in GPS-less Environments, MELT 2009. Fuller, R. & Koutsoukos, X. D. (eds.). Berlin: Springer, p. 148-162 15 p. (Lecture Notes in Computer Science; vol. 5801).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

  107. Published

    Fault-resilient pervasive service composition

    Yang, H-I., Bose, R., Helal, S., Xia, J. & Chang, C. K., 2009, Advanced Intelligent Environments. Kameas, A. D., Callagan, V., Hangras, H., Weber, M. & Minker, W. (eds.). Boston: Springer, p. 195-223 29 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  108. Published

    Making our environments intelligent

    Cook, D. J., Hagras, H., Callaghan, V. & Helal, S., 2009, In : Pervasive and Mobile Computing. 5, 5, p. 556-557 2 p.

    Research output: Contribution to journalEditorial

  109. Published

    Message from the General Chair

    Helal, S., 2009, Proceedings of the 11th ACM International Conference on Ubiquitous Computing: UbiComp'09. New York: ACM

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNOther chapter contribution

  110. Published

    Robotic companions for smart space interactions

    Lee, D., Yamazaki, T. & Helal, S., 2009, In : IEEE Pervasive Computing. 8, 2, p. 78-84 7 p.

    Research output: Contribution to journalJournal article

  111. Published

    Specification and synthesis of sensory datasets in pervasive spaces

    Helal, S., Andres, M-V. & Hossain, S., 2009, IEEE Symposium on Computers and Communications 2009, ISCC 2009. IEEE, p. 920-925 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paper

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