UC SPARK - University of Canterbury - New Zealand

Professor Tim Bell

Computer Science and Software Engineering

Fields of Research

  • Computer Science education
  • Text compression
  • Algorithms
  • Computer music

Researcher Summary

Research interests include computer science education, compression, and computers and music.

Subject Area: Disciplines

Research Groups

Key Methodologies

  • Children and computers
  • Algorithms
  • Computer music
  • Text compression

Prizes and Awards

  • Inaugural New Zealand Tertiary Teaching Excellence Award ( 2002 )
  • Inaugural New Zealand Tertiary Teaching Excellence Award (2002) ( 1997 - 2002)
  • Erskine Fellowship (China, Sweden, USA and Canada) ( 2006 )
  • Erskine Fellowship (Korea, China) ( 2009 )
  • Erskine Fellowship to Korea and China, 2009 ( 2009 )
  • Erskine Grant (28/03/98-06/05/98). Data Compression Conf. Utah, Edinburgh Int.Science Festival, Middlesex Uni. ( 1997 - 2002)

Student Supervision

Displaying all items.
    Completed
  • PhD - Alexander: Understanding and Improving Navigation Within Electronic Documents (2009)
  • Current
  • PhD - Algarni: Lightweight Morphology and Arabic Information Retrieval
  • Completed
  • PhD - Bainbridge: Extensible Optical Music Recognition (1996)
  • Current
  • PhD - Bradshaw: Engaging computer games for education
  • Completed
  • PhD - Cerecke: Locally least-cost error repair in shift-reduce parsers (2003)
  • Current
  • PhD - Dicke: Spatial Auditory Interfaces
  • PhD - Duncan: CS education for primary schools
  • PhD - Fitchett: Understanding and Improving Personal File Navigation
  • Completed
  • PhD - JasonSmith: The Temporal Organisation of Documents and Versions: A User-Centred Investigation (2005)
  • Current
  • PhD - Nesbit: Use of Prevailing Personal Social Communication Technologies to Enhance Student Engagement in Large Lectures
  • Completed
  • PhD - Saunders: Improved shortest path algorithms for nearly acyclic graphs (2003)
  • Current
  • PhD - Tak: Window switching interfaces
  • PhD - Thompson: CS Education in Virtual Environments
  • Completed
  • Masters - Anstice: Design of a pen-based music input system (1996)
  • Masters - Bashar: Maximum Subarray Algorithms (2006)
  • Masters - Bethlehem: 3-4 Heaps (2008)
  • Current
  • Masters - Chernoglazov: Visualizing and compressing MRI images
  • Completed
  • Masters - Eaves: Kid CAD CAM (1993)
  • Masters - Milik: Fitting Free-Form Question Asking and Spatial Ability into ITS Development (2007)
  • Masters - Murugesh: An expert system for children (1995)
  • Masters - Ng: A pen-based music input system (1998)
  • Masters - Obaid: Painterly rendering algorithms (2006)
  • Masters - Ralston: Juggling in Virtual Reality (1994)
  • Masters - Sharman: Progressive Image Compression (1991)
  • Masters - Suraweera: An Intelligent Teaching System for Database Modelling (2001)
  • Masters - Thomas: Improving the soundex algorithm (1990)
  • Masters - Violich: Fusing Loopless Algorithms for Combinatorial Generation (2005)
  • Masters - Wang: An Authoring Tool for Building Mobile Phone AR Applications (2010)
  • Masters - Weir: Video transcription system (1993)
  • Masters - Whitehead: The DMC data compression method (1993)
  • Masters - Wilson: Animation of text compression algorithms (1991)
  • Honours - Arnold: A corpus for evaluating text compression methods (1996)
  • Honours - Benseman: Teaching computer science to children (1993)
  • Honours - Bishop: Analysis of a two-layer display (2005)
  • Honours - Blinov: An interaction study of a digital music stand (2007)
  • Honours - Cournane: Digital Lectures - A Media Processing Framework and Interface Evaluation (2003)
  • Honours - Emberson: Textual Image Compression (1992)
  • Honours - Farrow: Human-computer interfaces for one-time users (1993)
  • Honours - Firth: Compressed domain pattern matching (2002)
  • Honours - Glass: Optical Music Recognition (1989)
  • Honours - Hardie: A programming environment for young children (1993)
  • Honours - Hudson: Extending MG for dynamic document collections (1994)
  • Honours - Jarman: Network Communication Protocols for High School Students (2014)
  • Honours - Kearns: CS Education in Virtual Worlds (2009)
  • Honours - McPherson: Digital page turning (1999)
  • Honours - Nevill: Parallel text compression (1989)
  • Honours - Pagwiwoko: Improvements To A Digital Music Stand (2008)
  • Honours - Powell: Evaluation of compression methods (2001)
  • Honours - Thomas: A Virtual Musical Instrument (1993)
  • Honours - Ward: Using Virtual World Programming Languages To Teach Computer Science Concepts (2009)

Research/Scholarly/Creative Works

  • Duncan, C., Bell, T. and Atlas, J. (2017) What do the teachers think? Introducing computational thinking in the primary school curriculum. In ACM International Conference Proceeding Series Part F126225: 65-74. http://dx.doi.org/10.1145/3013499.3013506. (Conference - Published)
  • Webb, M., Davis, N., Bell, T., Katz, YJ., Reynolds, N., Chambers, DP. and Sysło, MM. (2017) Computer science in K-12 school curricula of the 2lst century: Why, what and when? Education and Information Technologies 22(2): 445-468. http://dx.doi.org/10.1007/s10639-016-9493-x. (Journal articles)
  • Bell, T., Duncan, C. and Atlas, J. (2016) Teacher feedback on delivering computational thinking in primary school. In ACM International Conference Proceeding Series 13-15-October-2016: 100-101. http://dx.doi.org/10.1145/2978249.2978266. (Conference - Published)
  • Bell, T. (2015) Surprising computer science. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 9378: 1-11. http://dx.doi.org/10.1007/978-3-319-25396-1_1. (Conference - Published)
  • Duncan, C. and Bell, T. (2015) A pilot computer science and programming course for primary school students. In ACM International Conference Proceeding Series 09-11-November-2015: 39-48. http://dx.doi.org/10.1145/2818314.2818328. (Conference - Published)
  • Nesbit, T., O'Steen, B. and Bell, T. (2015) Apps on Smart Phones to Increase Engagement in Lectures: Student Focus Group Perspectives. (Conference - Other)
  • Nesbit, T., O'Steen, B. and Bell, T. (2015) Use of Smart Phone Applications and Purple Shirts to Enhance Student Engagement in Large Lectures? Queenstown, New Zealand: 28th Annual Conference of Computing and Information Technology Research and Education New Zealand, 6 Oct 2015 - 9 Oct 2015. (Conference - Published)
  • Thompson, D. and Bell, T. (2015) Virtually unplugged: Rich data capture to evaluate CS pedagogy in 3D virtual worlds. In Proceedings - 2015 International Conference on Learning and Teaching in Computing and Engineering, LaTiCE 2015: 156-163. http://dx.doi.org/10.1109/LaTiCE.2015.36. (Conference - Published)
  • Webb, M., Davis, NE., Bell, T., Katz, Y., Reynolds, N. and Syslo, MM. (2015) Towards deeper understanding of the roles of CS/Informatics in the curriculum. Vilnius, Lithuania: IFIP TC3 Working Conference, 1 Jul 2015 - 3 Jul 2015. In Proceedings: 374-381. (Conference - Published)
  • Bell, T. (2014) Education establishing a nationwide cs curriculum in new zealand high schools: Providing students, teachers, and parents with a better understanding of computer science and programming. Communications of the ACM 57(2): 28-30. http://dx.doi.org/10.1145/2556937. (Journal articles)
  • Bell, T. (2014) Ubiquity Symposium: The science in computer science: unplugging computer science to find the science. Ubiquity 2014(Mar): 1-6. http://dx.doi.org/10.1145/2590528.2590531. (Journal articles)
  • Bell, T., Andreae, P. and Robins, A. (2014) A case study of the introduction of computer science in NZ schools. ACM Transactions on Computing Education 14(2) http://dx.doi.org/10.1145/2602485. (Journal articles)
  • Bell, T., Duncan, C., Jarman, S. and Newton, H. (2014) Presenting computer science concepts to high school students. Olympiads in Informatics 8: 3-19. (Journal articles)
  • Bell, T., Newton, H., Duncan, C. and Jarman, S. (2014) Adoption of Computer Science in NZ schools. (Conference - Other)
  • Duncan, C., Bell, T. and Tanimoto, S. (2014) Should your 8-year-old learn coding? Berlin, Germany: 9th Workshop in Primary and Secondary Computing Education (WiPSCE '14), 5 Nov 2014 - 7 Nov 2014. In Proceedings: 60-69. http://dx.doi.org/10.1145/2670757.2670774. (Conference - Published)
  • Jarman, S. and Bell, T. (2014) A game to teach network communication reliability problems and solutions. 43-49. (Conference - Other)
  • Nesbit, T., O'Steen, B. and Bell, T. (2014) Using Mobile Technologies to Enhance Student Engagement in Large Lectures. Auckland, NZ: CITRENZ 2014, 8 Oct 2014 - 10 Oct 2014. (Conference - Published)
  • Adjeroh, D., Bell, T. and Amar Mukherjee, A. (2013) Pattern Matching in Compressed Texts and Images. Foundations and Trends in Signal Processing 6(2-3) http://dx.doi.org/10.1561/2000000038. (Journal articles)
  • Bell, T. (2013) Engaging School students in computer science. (Conference - Other)
  • Nesbit, T., O'Steen, B. and Bell, T. (2013) Prevailing Personal Social Communication Technologies Enhancing Engagement in Large Lectures: From Texting to Mobile Web Enabled Devices. Newport, UK: Annual Conference of the Society for Research into Higher Education (SHRE 2013), 11 Dec 2013 - 13 Dec 2013. In Proceedings of the Annual Conference of the Society of Research into Higher Education (Conference - Published)
  • Sarkar, A. and Bell, T. (2013) Teaching black-box testing to high school students. In ACM International Conference Proceeding Series 75-78. http://dx.doi.org/10.1145/2532748.2532764. (Conference - Other)
  • Thompson, D. and Bell, T. (2013) Adoption of new computer science high school standards by New Zealand teachers. In ACM International Conference Proceeding Series 87-90. http://dx.doi.org/10.1145/2532748.2532759. (Conference - Other)
  • Thompson, D., Bell, T., Andreae, P. and Robins, A. (2013) The role of teachers in implementing curriculum changes. In SIGCSE 2013 - Proceedings of the 44th ACM Technical Symposium on Computer Science Education: 245-250. (Conference - Published)
  • Andrade, P., Bell, T., Van Eldik, J., McCance, G., Panzer-Steindel, B., Dos Santos, MC., Traylen, S. and Schwickerath, U. (2012) Review of CERN data centre infrastructure. In Journal of Physics: Conference Series 396(PART 4) http://dx.doi.org/10.1088/1742-6596/396/4/042002. (Conference - Published)
  • Bell, T., Andreae, P. and Robins, A. (2012) Computer science in NZ high schools: The first year of the new standards. In SIGCSE'12 - Proceedings of the 43rd ACM Technical Symposium on Computer Science Education: 343-348. http://dx.doi.org/10.1145/2157136.2157240. (Conference - Published)
  • Bell, T., Fellows, M., Rosamond, F., Bell, J. and Marghitu, D. (2012) Unplugging education: Removing barriers to engaging with new disciplines. Berlin, Germany: Conference of the Society for Design and Process Science (SDPS), 10 Jun 2012 - 14 Jun 2012. (Conference - Published)
  • Bell, T., Newton, H., Andreae, P. and Robins, A. (2012) The introduction of computer Science to NZ high schools - An analysis of student work. In ACM International Conference Proceeding Series: 5-15. http://dx.doi.org/10.1145/2481449.2481454. (Conference - Published)
  • Denning, PJ. and Bell, T. (2012) The information paradox: Classical information theory has no room for meaning - But humans persist in assigning meaning. How can we reconcile this difference? American Scientist 100(6): 470-477. http://dx.doi.org/10.1511/2012.99.470. (Journal articles)
  • Bell, T. and Aspvall, B. (2011) Sorting algorithms as special cases of a priority queue sort. In SIGCSE'11 - Proceedings of the 42nd ACM Technical Symposium on Computer Science Education: 123-128. http://dx.doi.org/10.1145/1953163.1953203. (Conference - Published)
  • Bell, T. and Bell, M. (2011) Reaching out (binary codes). (Conference - Other)
  • Bell, T. and Lambert, L. (2011) Teaching Computer Science majors about teaching Computer Science. In SIGCSE'11 - Proceedings of the 42nd ACM Technical Symposium on Computer Science Education: 541-546. http://dx.doi.org/10.1145/1953163.1953317. (Conference - Published)
  • Bell, T., Bell, M. and Chicha, V. (2011) Santa's dirty socks (divide and conquer). (Conference - Other)
  • Bell, T., Curzon, P., Cutts, Q., Dagiene, V. and Haberman, B. (2011) Introducing students to computer science with programmes that don't emphasise programming. In ITiCSE'11 - Proceedings of the 16th Annual Conference on Innovation and Technology in Computer Science http://dx.doi.org/10.1145/1999747.1999904. (Conference - Other)
  • Bell, T., Curzon, P., Cutts, Q., Dagiene, V. and Haberman, B. (2011) Overcoming obstacles to CS education by using non-programming outreach programmes. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7013 LNCS: 71-81. http://dx.doi.org/10.1007/978-3-642-24722-4_7. (Conference - Published)
  • Bell, T., Marghitu, D. and Bell, J. (2011) Workshop: CS Unplugged: Computational Thinking without Computers. (Conference - Other)
  • Campana, S., Van Der Ster, DC., Di Girolamo, A., Peters, AJ., Duellmann, D., Dos Santos, MC., Iven, J. and Bell, T. (2011) Commissioning of a CERN production and analysis facility based on xrootd. In Journal of Physics: Conference Series 331(PART 7) http://dx.doi.org/10.1088/1742-6596/331/7/072006. (Conference - Published)
  • Hearns, M., Cockeram, J., Schott, G., Bell, T., Cochrane, T., Corder, D., Philpott, A., Atkins, C., Diener, S., Parsons, D., Falloon, G., Grimley, M., Davis, N., U-Mackey, A., Davies, R., Gregory, S., Honey, M., Champion, E., Thompson, D., Green, R., Morrow, D., Clear, T. and Loke, SK. (2011) He ara hou ka tū mai: NZ institutions of higher learning unpacking demands and facilitating change. In ASCILITE 2011 - The Australasian Society for Computers in Learning in Tertiary Education: 571-579. (Conference - Published)
  • Bell, T. and Bell, R. (2010) Image Compression - Making Contact. (Conference - Other)
  • Bell, T. and Bell, R. (2010) Sorting Algorithms (Unplugged). (Conference - Other)
  • Bell, T., Andreae, P. and Lambert, L. (2010) Computer Science in New Zealand High Schools. In Conferences in Research and Practice in Information Technology Series 103: 15-22. (Conference - Published)
  • Bell, T., Arpaci-Dusseau, A., Witten, I. and Fellows, M. (2010) Computer Science Unplugged: Understanding Computing Through Games and Puzzles. Hubei: Huazhong University of Science and Technology Press. (Authored Books)
  • Bell, T., Bell, M. and Finnerty, K. (2010) Computer Science Buskers? (Error Correction). (Conference - Other)
  • Bell, T., Pasternak, A., Stephenson, C., Tucker, A. and Vahrenhold, J. (2010) Panel - Implementing CS curricula in secondary education: An international perspective. In Proceedings - Frontiers in Education Conference, FIE http://dx.doi.org/10.1109/FIE.2010.5673370. (Conference - Other)
  • Jin, H., Ibrahim, S., Bell, T., Gao, W., Huang, D. and Wu, S. (2010) Cloud Types and Services. In Furht, B, Escalante, A (Ed.), Handbook of Cloud Computing: 335-355. New York: Springer. http://dx.doi.org/10.1007/978-1-4419-6524-0. (Chapters)
  • Jin, H., Ibrahim, S., Bell, T., Qi, L., Cao, H., Wu, S. and Shi, X. (2010) Tools and Technologies for Building Clouds. In Antonopoulos, N, Gillam, L (Ed.), Cloud Computing: Principles, Systems and Applications: 3-20. London: Springer-Verlag. (Chapters)
  • Murugesh, S., Bell, T. and McGrath, A. (2010) A Review of Computer Science Resources to Support NCEA. Dunedin, New Zealand: 1st Annual Conference of Computing and Information Technology Research and Education NZ (CITRENZ2010), 6 Jul 2010 - 9 Jul 2010. In Proceedings: 173-181. (Conference - Published)
  • Su, Y., Liao, X., Jin, H. and Bell, T. (2010) Data hiding in virtual machine disk images. In Proceedings - 10th IEEE International Conference on Computer and Information Technology, CIT-2010, 7th IEEE International Conference on Embedded Software and Systems, ICESS-2010, ScalCom-2010: 2278-2283. http://dx.doi.org/10.1109/CIT.2010.393. (Conference - Published)
  • Thompson, D. and Bell, T. (2010) Evaluating CS Education Activities in Virtual Worlds Through Automated Monitoring. (Conference - Other)
  • Thompson, D. and Bell, T. (2010) Virtual Worlds: Evaluating CS education activities through automated monitoring. Dallas, TX, USA: Society for Design and Process Science (SDPS 2010), 6 Jun 2010 - 11 Jun 2010. (Conference - Published)
  • Voigt, J., Bell, T. and Aspvall, B. (2010) Competition-style programming problems for Computer Science Unplugged activities. In Verdu, E, Lorenzo, R, Revilla, M, Regueras, L (Ed.), A New Learning Paradigm: Competition Supported by Technology: 207-234. Boecillo: CEDETEL. (Chapters)
  • Ward, B., Bell, T., Marghitu, D. and Lambert, L. (2010) Teaching computer science concepts in Scratch and Alice. The Journal of Computing Sciences in Colleges 26(2): 173-180. (Journal articles)
  • Bainbridge, D. and Bell, TC. (2009) An ajax-based digital music stand for greenstone. In Proceedings of the ACM/IEEE Joint Conference on Digital Libraries http://dx.doi.org/10.1145/1555400.1555515. (Conference - Other)
  • Bell, T. (2009) Computational Thinking through Computer Science Unplugged. Committee for the Workshops on Computational Thinking; National Research Council. Workshop report. (Other)
  • Bell, T. and Bell, R. (2009) The Treasure Hunt. (Conference - Other)
  • Bell, T. and Bell, R. (2009) Video: The Orange Game. (Conference - Other)
  • Bell, T., Alexander, J., Freeman, I. and Grimley, M. (2009) Computer Science Unplugged: School Students Doing Real Computing Without Computers. The New Zealand Journal of Applied Computing and Information Technology 13(1): 20-29. (Journal articles)
  • Bell, T., Marghitu, D., Grimley, M., Manabe, H. and Bianco, GM. (2009) Kinesthetic computer science activities in a virtual world. In Inroads- SIGCSE Bulletin 41(1). (Conference - Other)
  • Bianco, GM., Bell, T. and Tinazzi, S. (2009) Introducing powerful ideas to children: analogical mediation for computing concepts through storytelling. In Inroads- SIGCSE Bulletin 41(1). (Conference - Other)
  • Curzon, P., McOwan, PW., Cutts, QI. and Bell, T. (2009) Enthusing & inspiring with reusable kinaesthetic activities. In Proceedings of the Conference on Integrating Technology into Computer Science Education, ITiCSE: 94-98. http://dx.doi.org/10.1145/1562877.1562911. (Conference - Published)
  • Khalid, R., Kreutzer, W. and Bell, T. (2009) Combining simulation and animation of queueing scenarios in a flash-based discrete event simulator. In Lecture Notes in Business Information Processing 20 LNBIP: 240-251. http://dx.doi.org/10.1007/978-3-642-01112-2_25. (Conference - Published)
  • Khalid, R., Kreutzer, W. and Bell, T. (2009) Flash: Making Simulations interactive. Adelaide, Australia: SimTecT 2009, 15 Jun 2009 - 19 Jun 2009. (Conference - Published)
  • Marghitu, D., Bell, T., Kearns, B., Ward, B. and Stephen-Pope, K. (2009) Using Virtual Worlds to Engage Typical and Special Needs Students in Kinesthetic Computer Science Activities: A Computer Science Unplugged Case Study. Honolulu, HI, USA: ED-MEDIA: World Conference on Educational Multimedia, Hypermedia & Telecommunications, 22 Jun 2009 - 26 Jun 2009. (Conference - Published)
  • Nishida, T., Kanemune, S., Idosaka, Y., Namiki, M., Bell, T. and Kuno, Y. (2009) A CS Unplugged design pattern. In SIGCSE'09 - Proceedings of the 40th ACM Technical Symposium on Computer Science Education: 231-235. http://dx.doi.org/10.1145/1508865.1508951. (Conference - Published)
  • Nishida, T., Kanemune, S., Idosaka, Y., Namiki, M., Bell, T. and Kuno, Y. (2009) A CS unplugged design pattern. SIGCSE Bulletin Inroads 41(1): 231-235. http://dx.doi.org/10.1145/1539024.1508951. (Journal articles)
  • Bell, J. and Bell, T. (2008) Extending musically gifted pre-school children. (Conference - Other)
  • Bell, J. and Bell, T. (2008) Keeping musically gifted children in tune with their passion and their peers at primary school. (Conference - Other)
  • Bell, T. (2008) Introducing the next generation of Computer Scientists to the magic and beauty of computing. (Conference - Other)
  • Bell, T., Alexander, J., Freeman, I. and Grimley, M. (2008) Computer Science without computers: new outreach methods from old tricks. Auckland, New Zealand: Annual Conference of the National Advisory Committee on Computing Qualifications (NACQ 2008), 4 Jul 2008 - 7 Jul 2008. (Conference - Published)
  • Bell, T., Wada, BT., Kanemune, S., Xie, X., Lee, WG., SookKyoung, C. and Aspvall, B. (2008) Making computer science activities accessible for the languages and cultures of Japan, Korea, China and Sweden. (Conference - Other)
  • Choi, S., Bell, T., Jun, S. and Lee, W. (2008) Designing offline computer science activities for the korean elementary school curriculum. In Proceedings of the Conference on Integrating Technology into Computer Science Education, ITiCSE http://dx.doi.org/10.1145/1384271.1384380. (Conference - Other)
  • O'Donoghue, M., Hoskin, A. and Bell, T. (2008) Guidelines for podcast production and use in tertiary education. In ASCILITE 2008 - The Australasian Society for Computers in Learning in Tertiary Education 685-686. (Conference - Other)
  • Adjeroh, D., Kandaswamy, U., Zhang, N., Mukherjee, A., Brown, MT. and Bell, T. (2007) BWT-based efficient shape matching. In Proceedings of the ACM Symposium on Applied Computing: 1079-1085. http://dx.doi.org/10.1145/1244002.1244237. (Conference - Published)
  • Bell, T. and Bianco, GM. (2007) Computing Pre-University: Primary computing education. In Wah, BW (Ed.), Wiley Encyclopedia of Computer Science and Engineering: 625-632. Hoboken: John Wiley & Sons. http://dx.doi.org/10.1002/9780470050118.ecse973. (Chapters)
  • Bell, T., Cockburn, A., Wingkvist, A. and Green, R. (2007) Podcasts as a supplement in tertiary education: An experiment with two Computer Science courses. Massey University, Auckland, New Zealand: Mobile Learning Technologies and Applications 2007 (MoLTA), 19 Feb 2007 - 19 Feb 2007. In MoLTA 2007: 70-77. (Conference - Published)
  • Bell, T., Witten, IH., Fellows, M., Kanemune, S. and Wada, B. (2007) Computer Science Unplugged: Off-line activities and games for all ages (in Japanese). Tokyo. (Authored Books)
  • Bainbridge, D. and Bell, T. (2006) Identifying music documents in a collection of images. In ISMIR 2006 - 7th International Conference on Music Information Retrieval: 47-52. (Conference - Published)
  • Bell, TC., Witten, IH., Fellows, M., WonGyu, L., McKenzie, J. and Adams, R. (2006) Computer Science Unplugged: Off-line activities and games for all ages (in Korean). Seoul: Hongreung Science Publishing. (Authored Books)
  • Gutwin, C., Fedak, C., Watson, M., Dyck, J. and Bell, T. (2006) Improving network efficiency in real-time groupware with general message compression. In Proceedings of the ACM Conference on Computer Supported Cooperative Work, CSCW: 119-128. http://dx.doi.org/10.1145/1180875.1180894. (Conference - Published)
  • Obaid, M., Mukundan, R. and Bell, T. (2006) Enhancement of moment based painterly rendering using connected components. In Proceedings - Computer Graphics, Imaging and Visualisation: Techniques and Applications, CGIV'06 2006: 378-383. http://dx.doi.org/10.1109/CGIV.2006.38. (Conference - Published)
  • Bell, T., Blizzard, D., Green, R. and Bainbridge, D. (2005) Design of a digital music stand. London, UK: 6th International Conference on Music Information Retrieval, 11-9-2005. In Proceedings of ISMIR 2005: 430-433. (Conference - Published)
  • Bell, T., Church, A., McPherson, J. and Bainbridge, D. (2005) Page turning and image size in a digital music stand. Barcelona, Spain: International Computer Music Conference (ICMC2005), 5-9-2005. Paper ID 1262 (Conference - Published)
  • Firth, A., Bell, T., Mukherjee, A. and Adjeroh, D. (2005) A comparison of BWT approaches to string pattern matching. Software - Practice and Experience 35(13): 1217-1258. http://dx.doi.org/10.1002/spe.669. (Journal articles)
  • Jupp, R., Syed, Y., Grimshaw, M., Bell, T., Micklewright, I., Jones, N., Gallagher, JW., Dromgoole, P. and Brenne, EO. (2005) A 3D seismic depth-processing toolkit for sub-basalt imaging. In 67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPE2005 - Extended Abstracts 67th European Association of Geoscientists and Engineers Conference and Exhibition 2005: The Challenge of Discovery. Incorporating SPE EUROPEC 2005: 3345-3348. (Conference - Published)
  • Lobb, R., Bell, T. and Bainbridge, D. (2005) Fast capture of sheet music for an agile digital music library. In ISMIR 2005 - 6th International Conference on Music Information Retrieval: 145-152. (Conference - Published)
  • Bainbridge, D. and Bell, T. (2003) A Music Notation Construction Engine for Optical Music Recognition. Software: Practice and Experience 33(2): 173-200. (Journal articles)
  • Zhang, N., Mukherjee, A., Adjeroh, DA. and Bell, T. (2003) Approximate Pattern Matching Using the Burrows-Wheeler Transform. In Proceedings of DCC 2003 (Conference - Other)
  • Adjeroh, D., Mukherjee, A., Bell, T., Powell, M. and Zhang, Y. (2002) Pattern Matching in BWT-Transformed Text. In Proceedings of DCC 2002 (Conference - Other)
  • Adjeroh, D., Zhang, Y., Mukherjee, A., Powell, M. and Bell, T. (2002) DNA sequence compression using the Burrows-Wheeler Transform. In Proceedings - IEEE Computer Society Bioinformatics Conference, CSB 2002: 303-313. http://dx.doi.org/10.1109/CSB.2002.1039352. (Conference - Published)
  • Bell, T., Powell, M., Mukherjee, A. and Adjeroh, DA. (2002) Searching BWT Compressed Text with the Boyer-Moore Algorithm and Binary Search. Snowbird, UT, USA: IEEE 2002 Data Compression Conference (DCC 2002), 2-4-2002. In Proceedings of DCC 2002: 112-121. (Conference - Published)
  • Bainbridge, D. and Bell, T. (2001) The Challenge of Optical Music Recognition. Computers and the Humanities 35(2): 95-121. (Journal articles)
  • Bell, T., Cockburn, A., McKenzie, B. and Vargo, J. (2001) Flexible Delivery Damaging to Learning? Lessons From the Canterbury Digital Lectures Project. Tampere, Finland: World Conference on Educational Multimedia, Hypermedia and Telecommunications (EdMedia 2001), 25-6-2001. In Proceedings of EdMedia 2001: 117-122. (Conference - Published)
  • Bell, T., Cockburn, A., McKenzie, B. and Vargo, J. (2001) Digital lectures: If you make them, will students use them? Constraints on effective delivery of flexible learning systems. Interactive Multimedia Electronic Journal of Computer - Enhanced Learning 3 (Journal articles)
  • Cockburn, A., Bell, T. and McKenzie, B. (2001) Death to the office of the nineties: An HCI perspective on some problems in modern office information systems. Australian Computer Journal 33(1): 68-82. (Journal articles)
  • McKenzie, BJ. and Bell, T. (2001) Compression of sparse matrices by blocked Rice coding. IEEE Transactions on Information Theory 47(3): 1223-1230. http://dx.doi.org/10.1109/18.915692. (Journal articles)
  • Bell, T. (2000) A low-cost high-impact computer science show for family audiences. In Proceedings - 23rd Australasian Computer Science Conference, ACSC 2000: 10-16. http://dx.doi.org/10.1109/ACSC.2000.824374. (Conference - Published)
  • Bell, T. (2000) Data compression. In Ralston, A, Reilly, E, Hemmendinger, D (Ed.), Encyclopedia of Computer Science: 492-526. London: Nature Publishing Group. (Chapters)
  • Lin, K. and Bell, T. (2000) Integrating Paper and Digital Music Information Systems. (Conference - Other)
  • Bell, T., Thimbleby, H., Fellows, M., Witten, I. and Koblitz, N. (1999) Explaining cryptographic systems to the general public. Stockholm, Sweden: First IFIP World Conference on Information Security Education, 1999. In Report Series 99-008: Proceedings IFIPTC11 WG11.8 Conference: 221-233. (Conference - Published)
  • Bell, T., Witten, IH. and Fellows, M. (1999) Computer Science Unplugged: Offline activities and games for all ages. Christchurch: University of Canterbury. (Authored Books)
  • Lin, FY. and Bell, T. (1999) Music Processing Using Colour. University of Cantebury, Christchurch, New Zealand: Proceedings of image and vision computing New Zealand 1999., 8-1999. : 253-258. (Conference - Published)
  • Witten, I., Moffat, A. and Bell, T. (1999) Managing Gigabytes: Compressing and indexing documents and images. (2nd ed.) San Francisco: Morgan Kaufman. (Authored Books)
  • Bell, T. and McKenzie, B. (1998) Compression of sparse matrices by arithmetic coding. Los Alamitos, CA, USA: Proc. IEEE Data Compression Conference, Snowbird, Utah, 3-1998. : 23-32. (Conference - Published)
  • Cockburn, A. and Bell, T. (1998) Extending HCI in the computer science curriculum. Brisbane, Australia: Proceedings in Third Australasian Conference on Computer Science Education, 8-7-1998. : 113-120. (Conference - Published)
  • Ng, E., Bell, T. and Cockburn, A. (1998) Improvements to a Pen-Based Musical Input System. Adelaide, Australia: OzCHI'98: The Australian Conference on Computer-Human Interaction., 29-11-1998. : 239-252. (Conference - Published)
  • Arnold, R. and Bell, T. (1997) A corpus for the evaluation of lossless compression algorithms. Los Alamitos, CA, USA: IEEE Data Compression Conference, 3-1997. : 201-210. (Conference - Published)
  • Bainbridge, D. and Bell, TC. (1997) Dealing with superimposed objects in optical music recognition. In IEE Conference Publication(443 pt 2): 756-760. (Conference - Published)
  • Moffat, A., Bell, T. and Witten, I. (1997) Lossless compression for text and images. In Jayant, N (Ed.), Signal Compression Coding of Speech, Audio, Text, Image and Video, World Scientific, 1997. Also appears as a special issue of the Inter. Journal of High Speed Electronics: 179-231. Singapore: World Scientific Publishers. (Chapters)
  • Anstice, J., Bell, T., Cockburn, A. and Setchell, M. (1996) The Design of a Pen-Based Musical Input System. Hamilton, New Zealand: OzCHI'96: The Sixth Australian Conference on Computer-Human Interaction, 24-11-1996. : 260-267. (Conference - Published)
  • Bainbridge, D. and Bell, T. (1996) An extensible Optical Music Recognition system. Sydney, Australia: Australian Computer Society Conference, 12-1996. In Australian Computer Society Conference Proceedings: 308-317. (Conference - Published)
  • Bell, T. (1996) An authentic task-based university level computer literacy course. Sydney, Australia: 1st Australian Computer Science Education Conference, 1996. In Proceedings of 1st Australian Computer Science Education Conference: 295-301. (Conference - Published)
  • Murugesh, S., Bell, T. and Mitrovic, A. (1996) Learning by developing expert systems. New Zealand Computers in Education Society Conference: Hamilton, New Zealand, 1996. In Proceedings of New Zealand Computers in Education Society Conference: 191-200. (Conference - Published)
  • Bell, TC., Bensemann, G. and Witten, IH. (1995) Computer Science Unplugged: capturing the interest of the uninterested. Wellington, New Zealand: 14th NZ Computer Conference, 1995. In Proceedings of the 14th NZ Computer Conference (Conference - Published)
  • Bell, TC., Moffat, A., Witten, IH. and Zobel, J. (1995) The MG Retrieval System: Compressing for Space and Speed. Communications of the ACM 38(4): 41-42. http://dx.doi.org/10.1145/205323.205327. (Journal articles)
  • Moffat, A., Zobel, J., Witten, IH. and Bell, TC. (1995) The role of compression in document databases. ACM SIGWEB Newsletter 4(2): 20-21. http://dx.doi.org/10.1145/223301.223318. (Journal articles)
  • Pawlikowski, K., Bell, T., Emberson, H. and Ashton, P. (1995) Compression of data traffic in packet-based LANs. In Data Compression Conference Proceedings (Conference - Published)
  • Witten, IH., Cunningham, SJ., Vallabh, M. and Bell, TC. (1995) A New Zealand digital library for computer science research. Austin, TX, USA: 2nd Annual Conference on the Theory and Practice of Digital Libraries, 1995. In Proceedings of Digital Libraries '95: 25-30. (Conference - Published)
  • Witten, IH., Moffat, A. and Bell, TC. (1995) Compression and full-text indexing for digital libraries. 916: 181-201. (Conference - Published)
  • Bainbridge, D. and Bell, T. (1994) Playing Music on Computers. New Zealand Science Monthly Nov: 10-11. (Journal articles)
  • Bell, TC. (1994) The view from the tower-the role of academia. Christchurch, New Zealand: 1994 NZ Computer Society Rutherford Conference, 1994. In Proceedings of the 1994 NZ Computer Society Rutherford Conference (Conference - Published)
  • Bell, TC. and Witten, IH. (1994) The Relationship Between Greedy Parsing and Symbolwise Text Compression. Journal of the ACM (JACM) 41(4): 708-724. http://dx.doi.org/10.1145/179812.179892. (Journal articles)
  • Bell, TC., Moffat, A. and Witten, IH. (1994) Compressing the digital library. College Station, TX, USA: 1st Annual Conference on the Theory and Practice of Digital Libraries, 19-6-1994. In Proceedings of 1st Annual Conference on the Theory and Practice of Digital Libraries: 41-46. (Conference - Published)
  • Gutmann, PC. and Bell, TC. (1994) Hybrid approach to text compresion. In Proceedings of the Data Compression Conference: 225-233. (Conference - Published)
  • Moffat, A., Sharman, N., Witten, IH. and Bell, TC. (1994) An empirical evaluation of coding methods for multi-symbol alphabets. In Information Processing and Management 30(6): 791-804. http://dx.doi.org/10.1016/0306-4573(94)90007-8. (Conference - Published)
  • Moffat, A., Sharman, N., Witten, IH. and Bell, TC. (1994) An empirical evaluation of coding methods for multi-symbol alphabets. Information Processing & Management 30(6): 791-804. http://dx.doi.org/10.1016/0306-4573(94)90007-8. (Journal articles)
  • Witten, IH., Bell, TC., Emberson, H., Inglis, S. and Moffat, A. (1994) Textual Image Compression: Two-Stage Lossy/Lossless Encoding of Textual Images. Proceedings of the IEEE 82(6): 878-888. http://dx.doi.org/10.1109/5.286192. (Journal articles)
  • Witten, IH., Bell, TC., Moffat, A., Nevill-Manning, CG., Smith, TC. and Thimbleby, H. (1994) Semantic and generative models for lossy text compression. Computer Journal 37(2): 83-87. (Journal articles)
  • Witten, IH., Moffat, A. and Bell, TC. (1994) Managing Gigabytes: Compressing and indexing documents and images. (1st ed.) New York: Van Nostrand Reinhold. (Authored Books)
  • Bell, TC. and Kulp, D. (1993) Longest-match string searching for Ziv-Lempel compression. Software: Practice and Experience 23(7): 757-771. http://dx.doi.org/10.1002/spe.4380230705. (Journal articles)
  • Pawlikowski, K., Bell, T., Emberson, H. and Ashton, P. (1993) The effect of data compression on packet sizes in data communication systems. (Reports)
  • Pawlikowski, K., Bell, T., Emberson, H. and Ashton, P. (1993) The Effect of Data Compression on Packet Sizes in Data Communication Systems. 8th Australian Teletraffic Research Seminar: Melbourne, Australia, 1993. (Conference - Published)
  • Witten, IH. and Bell, TC. (1993) Getting research students started: A tale of two courses. In ACM SIGCSE Bulletin 25(1): 165-169. http://dx.doi.org/10.1145/169073.169385. (Conference - Published)
  • Bell, TC. (1992) Making Computer Science into child's play. Waikato University, Hamilton, New Zealand: New Zealand Computer Science Research Students' Conference, 28-10-1992. : 31-38. (Conference - Published)
  • Bell, TC. (1992) Computer Science for the uninterested: designing displays for a science centre. Computers in New Zealand Schools 4(1): 40-46. (Journal articles)
  • Sharman, NB., Bell, TC. and Witten, IH. (1992) Compression of pyramid coded images for progressive transmission. University of Canterbury, Christchurch, New Zealand: 7'th New Zealand Image Processing Workshop, 1992. In Proceedings of the 7th New Zealand Image Processing Workshop: 171-176. (Conference - Published)
  • Witten, IH., Bell, TC., Harrison, ME., James, ML. and Moffat, A. (1992) Textual image compression. Snowbird, UT, USA: IEEE Data Compression Conference, 24-3-1992. In Proceedings of IEEE Data Compression Conference: 42-51. (Conference - Published)
  • Bell, TC. and Pawlikowski, K. (1991) The effect of data compression on packet sizes in data communication systems. Copenhagen, Denmark: 13th ITC Congress, 1991. In Proceedings 13th ITC Congress (Conference - Published)
  • Witten, IH. and Bell, TC. (1991) The Zero-Frequency Problem: Estimating the Probabilities of Novel Events in Adaptive Text Compression. IEEE Transactions on Information Theory 37(4): 1085-1094. http://dx.doi.org/10.1109/18.87000. (Journal articles)
  • Witten, IH., Bell, TC. and Nevill, CG. (1991) Models for compression in full-text retrieval systems. Snowbird, UT, USA: IEEE Data Compression Conference, 8-4-1991. In Proceedings of IEEE Data Compression Conference: 23-32. (Conference - Published)
  • Bell, T. and Pawlikowski, K. (1990) The effect of data compression on packet sizes in data communication systems. Department of Computer Science, University of Canterbury. (Reports)
  • Bell, TC. and Harries, R. (1990) Messages found encoded in the digits of π. The Journal of Irreproducible Results 35(4): 28-29. (Journal articles)
  • Bell, TC., Cleary, JG. and Witten, IH. (1990) Text Compression. Englewood Cliffs: Prentice Hall. (Authored Books)
  • Nevill, CG. and Bell, TC. (1990) Compression of parallel texts. Siegen, Germany: Joint ALLC/ACH Conference, 5-6-1990. In Proceedings of Joint ALLC/ACH Conference (Conference - Published)
  • Bell, T. and Moffat, A. (1989) Note on the DMC data compression scheme. Computer Journal 32(1): 16-20. (Journal articles)
  • Bell, TC. (1989) Compression rate fluctuation in data communication systems. Bond University, Australia: 4th Australian Teletraffic Research Seminar, 1989. In Proceedings of 4th Australian Teletraffic Research Seminar (Conference - Published)
  • Witten, IH. and Bell, TC. (1988) Modeling natural language. Atlanta, GA, USA: 6th Symposium of Empirical Foundations of Information and Software Sciences, 1988. In Proceedings of the 6th Symposium of Empirical Foundations of Information and Software Sciences (Conference - Published)