Dr William Teahan

Senior Lecturer in Computer Science

Contact info

Position: Lecturer

Email: w.j.teahan@bangor.ac.uk

Phone: 01248 382703

Location: Dean Street

  1. Article › Research › Peer-reviewed
  2. Published

    A Compression-Based Toolkit for Modelling and Processing Natural Language Text

    Teahan, W., 22 Nov 2018, In: Information. 9, 294, p. 1-29 29 p., 9, 294.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    A New Thinning Algorithm for Arabic Script

    Teahan, W. & Alghamdi, M., 1 Jan 2017, In: International Journal of Computer Science and Information Security. 15, 1, p. 204-211 8 p.

    Research output: Contribution to journalArticlepeer-review

  4. Published

    A new PPM variant for Chinese text compression.

    Wu, P. & Teahan, W. J., 1 Jul 2008, In: Natural Language Engineering. 14, 3, p. 417-430

    Research output: Contribution to journalArticlepeer-review

  5. Published

    An automatic cryptanalysis of simple substitution ciphers using compression

    Alkazaz, N. R., Irvine, S. A. & Teahan, W. J., 2018, In: Information Security Journal: A Global Perspective. 27, 1, p. 57-75

    Research output: Contribution to journalArticlepeer-review

  6. Published

    An embodied approach to arthropod animation

    Ap-Cenydd, L., Teahan, W. J. & Computer Animation and Virtual Worlds, [. V. (Editor), 1 Jan 2013, In: Computer Animation and Virtual Worlds. 24, 1, p. 65-83

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Automatic Correction of Arabic Dyslexic Text

    Alamri, M. & Teahan, W., 21 Feb 2019, In: Computers. 8, 1, 19.

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Comment on "Language trees and zipping".

    Khmelev, Y. & Teahan, W. J., 28 Feb 2003, In: Physical Review Letters. 90, 8, p. 089803

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Enhancing the stability of Organic Photovoltaics through Machine Learning

    David, T., Scapin Anizelli, H., Jacobsson, T. J., Gray, C., Teahan, W. & Kettle, J., Dec 2020, In: Nano Energy. 78, 105342.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Experimental Evaluation of Arabic OCR Systems

    Alghamdi, M. & Teahan, W., 6 Sept 2017, In: PSU (Prince Sultan University) Research Review. 1, 3, p. 229-241 12 p.

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Grammatical Herding

    Headleand, C. J. & Teahan, W. J., 22 Jan 2013, In: Journal of Computer Science and Systems Biology. 6, 2, p. 042-047

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Implementation of Resource Discovery Mechanisms on PeerSim: Enabling up to One Million Nodes P2P Simulation

    Jamal, A. A., Awang, W. S., Kadir, M. F. & Teahan, W. J., 1 Jan 2015, In: International Journal of Digital Information and Wireless Communications. 5, 1

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Storyboarding for visual analytics

    Pop, S. R., Walker, R., Ap-Cenydd, L., Pop, S., Miles, H. C., Hughes, C. J., Teahan, W. J. & Roberts, J. C., 28 May 2013, In: Information Visualization. 14, 1, p. 27-50

    Research output: Contribution to journalArticlepeer-review

  14. Published

    Tracking the Fine Scale Movements of Fish using Autonomous Maritime Robotics: A Systematic State of the Art Review

    Nash, J. Z., Teahan, W., Bond, J., McCarthy, I., Pierce, I., Case, M. & Mowat, R., 1 Jun 2021, In: Ocean Engineering. 229, 108650.

    Research output: Contribution to journalArticlepeer-review

  15. Published

    Universal Text Preprocessing for Data Compression.

    Abel, J. & Teahan, W. J., 1 May 2005, In: IEEE Transactions on Computers. 54, 5, p. 497 - 507

    Research output: Contribution to journalArticlepeer-review

  16. Published

    Using Compression to Discover Interesting Behaviours in a Hybrid Braitenberg Vehicle

    Ahmed, N. & Teahan, W. J., 21 Jan 2021, In: IEEE ACCESS. 9, p. 11316-11327 12 p.

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Using Compression to Find Interesting One Dimensional Cellular Automata

    Ahmed, N. & Teahan, W., Apr 2020, In: Complex and Intelligent Systems. 6, 1, p. 123–146 26 p.

    Research output: Contribution to journalArticlepeer-review

  18. Published

    Using Large Datasets of Organic Photovoltaic Performance Data to Elucidate Trends in Reliability Between 2009 and 2019

    David, T. W., Anizelli, H., Tyagi, P., Gray, C., Teahan, W. & Kettle, J., Nov 2019, In: IEEE Journal of Photovoltaics. 9, 6, p. 1768-1773

    Research output: Contribution to journalArticlepeer-review

  19. Published

    Virtual reality’s effect on parameter optimisation for crowd-sourced procedural animation

    Henshall, G., Teahan, W. & Ap Cenydd, L., 1 Sept 2018, In: The Visual Computer. 34, 9, p. 1255-1268 13 p.

    Research output: Contribution to journalArticlepeer-review

  20. Chapter › Research › Not peer-reviewed
  21. Published

    Constituent Grammatical Evolution

    Georgiou, L. & Teahan, W. J., 1 Jan 2011, Proceedings of the International Joint Conference on Artificial Intelligence. 2011 ed. Unknown, p. 1261-1268

    Research output: Chapter in Book/Report/Conference proceedingChapter

  22. Published

    Experiments with Grammatical Evolution in Java.

    Georgiou, L., Teahan, W. J. & Kacprzyk, J. (Editor), 1 Jan 2008, Studies in Computational Intelligence. 2008 ed. Springer, p. 45-62

    Research output: Chapter in Book/Report/Conference proceedingChapter

  23. Published

    Experiments with a PPM Compression-Based Method for English-Chinese Bilingual Sentence Alignment

    Liu, W., Chang, Z. & Teahan, W. J., 3 Sept 2014, Statistical Language and Speech Processing Volume 8791 of the series Lecture Notes in Computer Science. Springer, p. 70-81

    Research output: Chapter in Book/Report/Conference proceedingChapter

  24. Published

    Identification of gene function using prediction by partial matching (PPM) language models.

    Mahoui, M., Teahan, W. J., Sekhar, A. K. & Chilukuri, S., 1 Jan 2008, Proceeding of the 17th ACM conference on Information and knowledge management. 2008 ed. ACM, p. 779-786

    Research output: Chapter in Book/Report/Conference proceedingChapter

  25. Published

    Knowing-Aboutness: Question-Answering Using a Logic-Based Framework.

    Clifton, T., Teahan, W. J., Losada, D. E. (Editor) & Fernandez-Luna, J. M. (Editor), 1 Jan 2005, Advances in Information Retrieval, Lecture Notes in Computer Science, Vol 3408/2005. 2005 ed. Springer Berlin / Heidelberg, p. 230-244

    Research output: Chapter in Book/Report/Conference proceedingChapter

  26. Published

    The influence of virtual reality on the perception of artificial intelligence characters in games

    Headleand, C., Ap-Cenydd, L., Henshall, G. I., Headleand, C. J., Henshall, G., Ap Cenydd, L. & Teahan, W. J., 12 Nov 2015, Research and Development in Intelligent Systems XXXII. Springer, p. 345-357

    Research output: Chapter in Book/Report/Conference proceedingChapter

  27. Published

    Towards Real-Time Behavioral Evolution in Video Games

    Headleand, C., Henshall, G. I., Ap-Cenydd, L., Headleand, C. J., Henshall, G., Ap Cenydd, L. & Teahan, W. J., 26 Jun 2015, Artificial Life and Intelligent Agents. 2015 ed. Springer, p. 3-16

    Research output: Chapter in Book/Report/Conference proceedingChapter

  28. Published

    Using compression based language models for text categorization.

    Teahan, W. J., Harper, D. J., Croft, W. B. (Editor) & Lafferty, J. (Editor), 1 Jan 2003, Language Modeling for Information Retrieval: The Information Retrieval Series: Vol. 13. 2003 ed. Springer, p. 141-160

    Research output: Chapter in Book/Report/Conference proceedingChapter

  29. Chapter › Research › Peer-reviewed
  30. Published

    How the Perceived Identity of a NPC Companion Influences Player Behavior

    Headleand, C. J., Jackson, J., Williams, B., Priday, L., Teahan, W. J. & Ap Cenydd, L., 21 Jul 2016, Transactions on Computational Science : Special Issue on Cyberworlds and Cybersecurity. Gavrilova, M. L., Tan, C. J. K. & Sourin, A. (eds.). Berlin, Heidelberg: Springer Berlin / Heidelberg, Vol. XXVIII. p. 88-107 20 p. (Lecture Notes in Computer Science; vol. 9590).

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

  31. Conference contribution › Research › Peer-reviewed
  32. Published

    Crowd-Sourced Procedural Animation Optimisation: Comparing Desktop and VR Behaviour

    Henshall, G., Ap Cenydd, L. & Teahan, W., 2017, 2017 International Conference on Cyberworlds (CW). Chester, UK, p. 48-55 7 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  33. Published

    Does the Perceived Identity of Non-player Characters Change How We Interact with Them?

    Headleand, C. J., Jackson, J., Priday, L., Teahan, W. & Cenydd, L. A., 1 Oct 2015, 2015 International Conference on Cyberworlds (CW). p. 145-152 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  34. Published

    Towards Real-Time Animation Optimisation in VR

    Henshall, G., Teahan, W. & Ap Cenydd, L., 14 Sept 2017, Computer Graphics and Visual Computing (CGVC). Wan, T. R. & Vidal, F. (eds.). Manchester Metropolitan University: The Eurographics Association

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  35. Published

    Towards crowd-sourced parameter optimisation for procedural animation

    Henshall, G., Teahan, W. & Ap Cenydd, L., 1 Oct 2015, 2015 International Conference on Cyberworlds. Visby, Sweden, p. 379-381 3 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  36. Published

    Towards ethical robots: Revisiting Braitenberg's vehicles

    Headleand, C. J., Cenydd, L. A. & Teahan, W., 1 Sept 2016, 2016 SAI Computing Conference (SAI). p. 469-477 9 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  37. Paper › Research › Not peer-reviewed
  38. Published

    A new hybrid metric for verifying parallel corpora of Arabic-English

    Alkahtani, S. M., Alkahtani, S., Liu, W. & Teahan, W. J., 24 Jan 2015.

    Research output: Contribution to conferencePaper

  39. Published

    A repetition-based measure for verification of text collections and for text categorization

    Khmelev, D. V. & Teahan, W. J., 1 Aug 2003, p. 104-110.

    Research output: Contribution to conferencePaper

  40. Published

    Adaptive compression-based models of Chinese text

    Teahan, W. J., Wu, P. & Liu, W., 7 Jul 2014, p. 874-881.

    Research output: Contribution to conferencePaper

  41. Published

    Anthropomorphisation of software agents as a persuasive tool

    Headleand, C., Priday, L. J., Ap-Cenydd, L., Headleand, C. J., Ap Cenydd, L., Priday, L. R., Roberts, J. C. & Teahan, W. J., 13 Jul 2015.

    Research output: Contribution to conferencePaper

  42. Published

    Benchmarking Grammar-Based Genetic Programming Algorithms

    Headleand, C. J., Ap-Cenydd, L. & Teahan, W. J., 9 Dec 2014.

    Research output: Contribution to conferencePaper

  43. Published

    Berry Eaters: Learning Colour Concepts with Template Based Evolution

    Headleand, C. J., Ap-Cenydd, L. & Teahan, W. J., 30 Jul 2014.

    Research output: Contribution to conferencePaper

  44. Published

    PPM Compression-based method for English-Chinese Bilingual Sentence Alignment

    Liu, W., Chang, Z. & Teahan, W. J., 14 Oct 2014.

    Research output: Contribution to conferencePaper

  45. Published

    The dynamic animation of ambulatory arthropods.

    ap Cenydd, L. & Teahan, W. J., 1 Jan 2007.

    Research output: Contribution to conferencePaper

  46. Published

    Universal text preprocessing and postprocessing for PPM using Alphabet Adjustment

    Alhawiti, K. & Teahan, W. J., 26 Mar 2014, p. 395.

    Research output: Contribution to conferencePaper

  47. Paper › Research › Peer-reviewed
  48. Published

    Visualisation Data Modelling Graphics (VDMG) at Bangor

    Roberts, J. C., Ritsos, P. D., Kuncheva, L., Vidal, F., Lim, I. S., Ap Cenydd, L., Teahan, W., Mansoor, S., Gray, C. & Perkins, D., May 2021. 2 p.

    Research output: Contribution to conferencePaperpeer-review

  49. Book › Research › Not peer-reviewed
  50. Published

    Iaith a Thechnoleg yng Nghymru: Cyfrol I

    Prys, D. (Editor), Jones, D. (Contributor), Prys, G. (Contributor), Watkins, G. (Contributor), Cooper, S., Roberts, J. C. (Contributor), Butcher, P. (Contributor), Farhat, L. (Contributor), Teahan, W. & Prys, M. (Contributor), 5 Oct 2021, Bangor: Prifysgol Bangor University. 120 p.

    Research output: Book/ReportBook

  51. Published

    Language and Technology in Wales: Volume I

    Prys, D. (Editor), Jones, D. (Contributor), Prys, G. (Contributor), Watkins, G. (Contributor), Cooper, S. (Contributor), Roberts, J. C. (Contributor), Butcher, P. (Contributor), Farhat, L. (Contributor), Teahan, W. (Contributor) & Prys, M. (Contributor), 5 Oct 2021, Bangor: Prifysgol Bangor University. 120 p.

    Research output: Book/ReportBook

  52. Working paper › Research
  53. Published

    A compression based toolkit for text processing

    Teahan, W., 10 Apr 2018.

    Research output: Working paper

  54. Published

    Randomised Multiconnected Environment Generator: Bangor University Technical Report CS-TR-004-2014

    Headleand, C., Henshall, G., Ap-Cenydd, L. & Teahan, W., 20 Oct 2014, Bangor University, p. 1-5.

    Research output: Working paper