University of Hertfordshire

Dr Na Helian

Publications

  1. 2022
  2. Dynamic Hierarchical Structure Optimisation for Cloud Computing Job Scheduling

    Lane, P., Helian, N., Bodla, M. H., Zheng, M. & Moggridge, P., 15 Apr 2022, Dynamic Hierarchical Structure Optimisation for Cloud Computing Job Scheduling. Springer, p. 301-316 16 p. (Part of the Lecture Notes in Computer Science book series; vol. 13224).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  3. Boosting Ant Colony Optimization with Reptile Search Algorithm for Churn Prediction

    Al-Shourbaji, I., Helian, N., Sun, Y., Alshathri, S. & Abd Elaziz, M., 23 Mar 2022, In: Mathematics. 10, 7, 21 p., e1031.

    Research output: Contribution to journalArticlepeer-review

  4. Sentiment Analysis using BLSTM-ResNet on Textual Images

    Singh, H., Helian, N., Adams, R. & Sun, Y., 2022, IEEE World Congress on Computational Intelligence 2022: International Joint Conference on Neural Networks 2022. IEEE, 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  5. 2021
  6. Anovel HEOMGA Approach for Class Imbalance Problem in the Application of Customer Churn Prediction

    AlShourbaji, I., Helian, N., Sun, Y. & Alhameed, M., 17 Sep 2021, In: SN Computer Science. 2, 12 p., 464.

    Research output: Contribution to journalArticlepeer-review

  7. Customer Churn Prediction in Telecom Sector: A Survey and way a head

    AlShourbaji, I., Helian, N., Sun, Y. & Alhameed, M., 1 Jan 2021, In: JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH. 10, 1, p. 388-399 12 p.

    Research output: Contribution to journalArticlepeer-review

  8. 2020
  9. Instance Weighted Clustering: Local Outlier Factor and K-Means

    Moggridge, P., Helian, N., Sun, Y., Lilley, M. & Veneziano, V., 28 May 2020, Proceedings of the 21st EANN (Engineering Applications of Neural Networks) 2020 Conference: Proceedings of the EANN 2020. Iliadis, L., Angelov, P. P., Jayne, C. & Pimenidis, E. (eds.). Springer, p. 435-446 12 p. (Proceedings of the International Neural Networks Society).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  10. 2019
  11. Proceedings of Abstracts Engineering and Computer Science Research Conference 2019

    Coudron, L. (ed.), Nwawe, R., Grasso, M., CHEN, Y. K., Klusak, J., Rosiello, V., Counsell, N., Herfatmanesh, M. R., Partou, H., Menon, C., Barker, T., Veneziano, V., Kirner, R., Tveretina, O., Verma, A., Lane, P., Lilley, M., Canoville, P., Robinson, M., Crook, B. & 63 others, Hall, S., Kaye, R., Johnston, I., McCluskey, D., Tracey, M., Munro, I., Wang, Y., Suckow, B., Klaholz, I., Drix, D., Hafner, V. V., Schmuker, M., Sinha, A., Metzner, C., Davey, N., Adams, R., Steuber, V., Miko, R., Toffe, G., Ren, G., Montalvão, D., Ismail, S. O., Newman, J., Dhakal, H., Sunmola, F., Panday, D., Helian, N., Amafabia, D., David-West, O., Haritos, G., Schirmer, P., Mporas, I., Skaltsas, G., Siadati, R., Wernick, P., Sutton, S., Lekkala, H. R., Sayers, P., Khan, I., Cañamero, L., Hassan, E., Denai, M., Pissanidis, G., Goncharenko, J., Schilstra, M., Beka, N., te Boekhorst, R., Bonivart, A., Nehaniv, C., Kadir, S., Bhavsar, R., Sun, Y., Mayor, D., Steffert, T., CHEN, Y. K., Chrysanthou, A., Johnston, I., Kirner, R., Kourtessis, P., McCluskey, D., Polani, D., Steuber, V. & Sun, Y., 1 Sep 2019, University of Hertfordshire. 82 p.

    Research output: Book/ReportAnthology

  12. Improving the MXFT Scheduling Algorithm for a Cloud Computing Context

    Moggridge, P., Helian, N., Sun, Y., Lilley, M., Veneziano, V. & Eaves, M., 9 Aug 2019, (E-pub ahead of print) In: International Journal of Grid and Utility Computing. 10, 6, p. 618 - 638 21 p.

    Research output: Contribution to journalArticlepeer-review

  13. 2018
  14. Efficient Methods for Calculating Sample Entropy in Time Series Data Analysis

    Bhavsar, R., Davey, N., Helian, N., Sun, Y., Steffert, T. & Mayor, D., 11 Dec 2018, In: Procedia Computer Science. 145, p. 97-104 8 p.

    Research output: Contribution to journalConference articlepeer-review

  15. Time Series Analysis using Embedding Dimension on Heart Rate Variability

    Bhavsar, R., Davey, N., Helian, N., Sun, Y., Steffert, T. & Mayor, D., 11 Dec 2018, In: Procedia Computer Science. 145, p. 89-96 8 p.

    Research output: Contribution to journalConference articlepeer-review

  16. An Investigation of How Wavelet Transform can Affect the Correlation Performance of Biomedical Signals: The Correlation of EEG and HRV Frequency Bands in the frontal lobe of the brain

    Bhavsar, R., Davey, N., Sun, Y. & Helian, N., 7 Feb 2018, International Conference on Bio-inspired Systems and Signal Processing: Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies. SciTePress, Vol. 3: BIOSIGNALS. p. 139-146 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  17. The Correlation between EEG Signals as Measured in Different Positions on Scalp Varying with Distance

    Bhavsar, R., Sun, Y., Helian, N., Davey, N., Mayor, D. & Steffert, T., 3 Feb 2018, In: Procedia Computer Science. 123, p. 92-97 6 p.

    Research output: Contribution to journalArticlepeer-review

  18. 2017
  19. Fractional memristor

    Wang, F. Z., Shi, L., Wu, H., Helian, N. & Chua, L. O., 11 Dec 2017, In: Applied Physics Letters. 111, 24, 243502.

    Research output: Contribution to journalArticlepeer-review

  20. Revising Max-min for Scheduling in a Cloud Computing Context

    Moggridge, P., Helian, N., Sun, Y., Lilley, M., Veneziano, V. & Eaves, M., 18 Aug 2017, 2017 IEEE 26th International Conference on Enabling Technologies: : Infrastructure for Collaborative Enterprises (WETICE). IEE

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  21. A Semantic-Agent Framework for PaaS Interoperability

    Hoare, S., Helian, N. & Baddoo, N., 16 Jan 2017, The IEEE International Conference on Cloud and Big Data Computing. Toulouse, France: IEEE, p. 788-793 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  22. 2016
  23. Complexity Reduction: Local Activity Ranking By Resource Entropy For QoS-aware Cloud Scheduling

    Chen, H., Wang, F. Z., Migliavacca, M., Chua, L. O. & Helian, N., 1 Sep 2016, 2016 IEEE International Conference on Services Computing (SCC). IEEE, p. 585-592 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  24. Memristor-based random access memory: The delayed switching effect could revolutionize memory design

    Wang, F., Chua, L. O. & Helian, N., 25 Apr 2016, 15th Non-Volatile Memory Technology Symposium (NVMTS), 2015 . Beijing, China: IEEE, 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  25. 2014
  26. Mirroring Mobile Phone in the Clouds

    Ye, B., Wang, F. Z., Li, L., Helian, N. & Dimitrakos, T., 16 Oct 2014, 2014 IEEE International Conference on Mobile Services . IEEE, 7 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  27. CloudJet4BigData: Streamlining Big Data via an Accelerated Socket Interface

    Wang, F. Z., Dimitrakos, T., Helian, N., Wu, S., Li, L. & Yates, R., 25 Sep 2014, 2014 IEEE International Congress on Big Data. IEEE, p. 608-606 9 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  28. Data Interface All-iN-A-Place (DIANA) for Big Data

    Wang, F. Z., Dimitrakos, T., Helian, N., Wu, S., Deng, Y., Li, L. & Yates, R., Sep 2014, Trust, Security and Privacy in Computing and Communications (TrustCom), 2014 IEEE 13th International Conference on. IEEE, p. 665-672 7 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  29. 2012
  30. Delayed switching applied to memristor neural networks

    Wang, F. Z., Helian, N., Wu, S., Yang, X., Guo, Y., Lim, G. & Rashid, M. M., 2012, In: Journal of Applied Physics. 111, 7, 07E317.

    Research output: Contribution to journalArticlepeer-review

  31. 2010
  32. Delayed switching in memristors and memristive systems

    Wang, F., Helian, N., Wu, S., Lim, M-G., Guo, Y. K. & Parker, M. A., 2010, In: IEEE Electron Device Letters. 31, 7, p. 755-757

    Research output: Contribution to journalArticlepeer-review

  33. Personal storage grid architecture : consuming cloud data space resources

    Lim, M-G., Wu, S., Simon, T., Rashid, M. & Helian, N., 2010, In: International Journal of Grid and High Performance Computing. 2, 3, p. 17-30

    Research output: Contribution to journalArticlepeer-review

  34. Predictive file replication on the data grids

    Liao, C., Helian, N., Wu, S. & Rashid, M., 2010, In: International Journal of Grid and High Performance Computing. 2, 1, p. 69-86

    Research output: Contribution to journalArticlepeer-review

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