Recent Submissions

  • Evaluating degrees of multitenancy isolation: a case study of cloud-hosted GSD tools. 

    Ochei, Laud Charles; Bass, Julian M.; Petrovski, Andrei (IEEE http://dx.doi.org/10.1109/ICCAC.2015.17, 2015-09-21)
    OCHEI, L.C., BASS, J.M. and PETROVSKI, A. 2015. Evaluating degrees of multitenancy isolation: a case study of cloud-hosted GSD tools. In Proceedings of the 2015 international conference on cloud and autonomic computing (ICCAC 2015), 21-25 September 2015, Cambridge, MA, USA. Piscataway, NJ: IEEE [online], pages 101-112. Available from: http://dx.doi.org/10.1109/ICCAC.2015.17
    Multitenancy is an essential cloud computing property where a single instance of an application serves multiple tenants. Multitenancy introduces significant challenges when deploying application components to the cloud due ...
  • Two-part segmentation of text documents. 

    Deepak, P.; Visweswariah, Karthik; Wiratunga, Nirmalie; Sani, Sadiq (ACM http://dx.doi.org/10.1145/2396761.2396862, 2012-10-29)
    DEEPAK, P., VISWESWARIAH, K., WIRATUNGA, N. and SANI, S. 2012. Two-part segmentation of text documents. In Proceedings of the 21st ACM international conference on information and knowledge management, 29 October - 02 November 2012, Maui, USA. New York: ACM [online], pages 793-802. Available from: https://dx.doi.org/10.1145/2396761.2396862
    We consider the problem of segmenting text documents that have a two-part structure such as a problem part and a solution part. Documents of this genre include incident reports that typically involve description of events ...
  • Automatic modelling for diagnosis. 

    Ahriz, Hatem; Xia, S. (Istituto di Analisi Numerica http://www.qrg.northwestern.edu/papers/Files/qr-workshops/QR97/Ahriz_1997_Automatic_Modelling_Diagnosis.pdf, 1997-06-03)
    AHRIZ, A. and XIA, S. 1997. Automatic modelling for diagnosis. In Ironi, L. (ed.) Proceedings of the 11th international workshop on qualitative reasoning (QR97), 3-6 June 1997, Cortona, Italy. Pavia: Istituto di Analisi Numerica [online], pages 3-12. Available from: http://www.qrg.northwestern.edu/papers/Files/qr-workshops/QR97/Ahriz_1997_Automatic_Modelling_Diagnosis.pdf
    Much of the past work on fault diagnosis did not pay enough attention to model construction and its important role in aiding problem solving. It was generally accepted that a model was available or was assumed to be present ...
  • Modeling as a fragment assembling process. 

    Ahriz, Hatem; Tomasena, M. (Qualitative Reasoning Group http://www.qrg.northwestern.edu/papers/Files/qr-workshops/QR99/Ahriz_1999_Modeling_Fragment_Assembling_Process.pdf, 1999-06-01)
    AHRIZ, H. and TOMASENA, M. 1999. Modeling as a fragment assembling process. In Price, C. (ed), the Proceedings of the 13th international workshop on qualitative reasoning (QR99), 6-9 June 1999, Loch Awe, UK. Illinois: Qualitative Reasoning Group [online], pages 1-10. Available from: http://www.qrg.northwestern.edu/papers/Files/qr-workshops/QR99/Ahriz_1999_Modeling_Fragment_Assembling_Process.pdf
    Model based reasoning about physical systems deals with diagnosis, supervision, interpretation, explanation, etc. Most of the contributions to this domain do not pay much attention to model construction, and it was generally ...
  • Verification of redesign models: a CSP approach. 

    Arana, Ines; Ahriz, Hatem (Professional Engineering Publishing, 2001-08-21)
    ARANA, I. and AHRIZ, H. 2001. Verification of redesign models: a CSP approach. In the Proceedings of the 13th international conference on engineering design (ICED'01), 21-23 August 2001, Glasgow, UK. Glasgow: Professional Engineering Publishing, pages 283-290.
    One of the initial stages in the manufacturing of an article is the production of a design which satisfies a set of user requirements. Much of the design work carried out in manufacturing companies can be classified as ...
  • An online collaborative tool for sustainable design. 

    Bennadji, Amar; Ahriz, Hatem; Belakehal, Azeddine (WREN, 2005-05-22)
    BENNADJI, A., AHRIZ, H. and BELAKEHAL, A. 2005. An online collaborative tool for sustainable design. In the Proceedings of the world renewable energy congress (WREC 2005), 22-25 May 2005, Aberdeen, UK. Brighton: WREN.
    One of the most important aspects a design team needs to consider fairly early on is that of energy saving, cost, thermal comfort and the effect on the environment in terms of CO2 emissions. This paper presents an online ...
  • The development of a framework for understanding the UX of subtitles. 

    Crabb, Michael; Jones, Rhianne; Armstrong, Mike (ACM http://doi.acm.org/10.1145/2700648.2811372, 2015-10-26)
    CRABB, M., JONES, R. and ARMSTRONG, M. 2015. The development of a framework for understanding the UX of subtitles. In Proceedings of the 17th International ACM SIGACCESS conference on computuers and accessibility [ASSETS '15], 26-28 October 2015, Lisbon, Portuga. New York: ACM [online], pages 347-348. Available from: http://doi.acm.org/10.1145/2700648.2811372
    Approximately 10% of the television audience use subtitles (captioning) to support their viewing experience. Subtitles enable viewers to participate in an experience that is often taken for granted ...
  • Online news videos. 

    Crabb, Michael; Jones, Rhianne; Armstrong, Mike; Hugues, Chris J. (ACM http://doi.acm.org/10.1145/2700648.2809866, 2015-10-26)
    CRABB, M., JONES, R., ARMSTRONG, M. and HUGHES, C.J. 2015. Online news videos. In Proceedings of the 17th International ACM SIGACCESS conference on computers and accessibility [ASSETS '15], 26-28 October 2015, Lisbon, Portugal. New York: ACM [online], pages 215-222. Available from: http://doi.acm.org/10.1145/2700648.2809866
    Millions of people rely on subtitles when watching video content. The current change in media viewing behaviour involving computers has resulted in a large proportion of people turning to online sources as opposed to regular ...
  • Evolutionary algorithms for real-time artificial neural network training. 

    Jagadeesan, Ananda Prasanna; Maxwell, Grant M.; Macleod, Christopher (Springer https://dx.doi.org/10.1007/11550907_12, 2005-09-01)
    JAGADEESAN, A., MAXWELL, G. and MACLEOD, C. 2005. Evolutionary algorithms for real-time artificial neural network training. Lecture notes in computer science [online], 3697, Proceedings of the 15th international conference on artifical neural networks (ICANN 2005): formal models and their applications, 11-15 September 2005, Warsaw, Poland, part 2, pages 73-78. Available from: https://dx.doi.org/10.1007/11550907_12
    This paper reports on experiments investigating the use of Evolutionary Algorithms to train Artificial Neural Networks in real time. A simulated legged mobile robot was used as a test bed in the experiments. Since the ...
  • Motivation, optimal experience and flow in first year computing science. 

    McDermott, Roger; Zarb, Mark; Daniels, Mats; Cajander, Åsa; Clear, Tony (ACM http://dx.doi.org/10.1145/2899415.2899474, 2016-07-11)
    MCDERMOTT, R., ZARB, M., DANIELS, M., CAJANDER, Å. and CLEAR, T. 2016. Motivation, optimal experience and flow in first year computing science. In the Proceedings of the 2016 ACM conference on innovation and technology in computer science education (ITiCSE '16), 9-13 July 2016, Arequipa, Peru. New York: ACM [online], pages 206-211. Available from: http://dx.doi.org/10.1145/2899415.2899474
    We examine the concept of motivation from the perspective of Self Determination Theory and give a brief overview of relevant results. We also consider the optimal state known as "Flow" and give an account of its conceptualisation ...
  • Anlysing creative image search information needs. 

    Konkova, Elena; MacFarlane, Andrew; Goker, Ayse (ISKO UK http://www.iskouk.org/content/analysing-creative-image-search-information-needs, 2015-09-10)
    KONKOVA, E., MACFARLANE, A. and GOKER, A. 2015. Anlysing creative image search information needs. In the Proceedings of the ISKO UK biennial conference: knowledge organization - making a difference, 13-14 July 2015, London, UK. London: ISKO [online]. Available from: http://www.iskouk.org/content/analysing-creative-image-search-information-needs
    Creative professionals in advertising, marketing, design and journalism search for images to visually represent a concept for their project. The main purpose of this paper is to present an analysis of documents known as ...
  • Harnessing background knowledge for e-learning recommendation. 

    Mbipom, Blessing; Craw, Susan; Massie, Stewart (Springer, 2016-12-13)
    MBIPOM, B., CRAW, S. and MASSIE, S. 2016. Harnessing background knowledge for e-learning recommendation. In Proceedings of the 36th SGAI international conference on innovative techniques and applications of artifical intelligence (AI-2016), 13-15 December 2016, Cambridge, UK. Paper 268 (accepted).
    The growing availability of good quality, learning-focused content on the Web makes it an excellent source of resources for e-learning systems. However, learners can find it hard to retrieve material well-aligned with their ...
  • Real-time topic detection with bursty n-grams: RGU's submission to the 2014 SNOW Challenge. 

    Martin, Carlos; Goker, Ayse (CEUR http://ceur-ws.org/Vol-1150/martin.pdf, 2014-04-08)
    MARTIN, C. and GOKER, A. 2014. Real-time topic detection with bursty n-grams: RGU's submission to the 2014 SNOW challenge. In the Proceedings of the social news on the web 2014 data challenge (SNOW-DC 2014), 8th April 2014, Seoul, Korea. Seoul: CEUR [online], pages 9-16. Available from http://ceur-ws.org/Vol-1150/martin.pdf
    Twitter is becoming an ever more popular platform for discovering and sharing information about current events, both personal and global. The scale and diversity of messages makes the discovery and analysis of breaking ...
  • Evaluating degrees of tenant isolation in multitenancy patterns: a case study of cloud-hosted version control system (VCS). 

    Ochei, Laud Charles; Petrovski, Andrei; Bass, Julian M. (IEEE http://dx.doi.org/10.1109/i-Society.2015.7366859, 2015-11)
    OCHEI, L.C., PETROVSKI, A. and BASS, J.M. 2015. Evaluating degrees of tenant isolation in multitenancy patterns: a case study of cloud-hosted version control system (VCS). In Proceedings of the 2015 international conference on information society (i-Society), 9-11 November 2015, London, UK. Piscataway, NJ: IEEE [online], pages 59-66. Available from: http://dx.doi.org/10.1109/i-Society.2015.7366859
    One of the key concerns of implementing multitenancy (i.e., serving multiple tenants with a single instance of an application) on the cloud is how to enable the required degree of isolation between tenants, so that the ...
  • Music recommendation: audio neighbourhoods to discover music in the long tail. 

    Craw, Susan; Horsburgh, Ben; Massie, Stewart (Springer https://dx.doi.org/10.1007/978-3-319-24586-7_6, 2015-11-26)
    CRAW, S., HORSBURGH, B. and MASSIE, S. 2015. Music recommendation: audio neighbourhoods to discover music in the long tail. Lecture notes in computer science [online], 9343, Proceedings of the 23rd international conference on case-based reasoning (ICCBR 2015), pages 73-87. Available from: https://dx.doi.org/10.1007/978-3-319-24586-7_6
    Millions of people use online music services every day and recommender systems are essential to browse these music collections. Users are looking for high quality recommendations, but also want to discover tracks and artists ...
  • Generating easy and hard problems using the Proximate Optimality Principle. 

    McCall, John; Christie, Lee A.; Brownlee, Alexander Edward Ian (ACM http://doi.acm.org/10.1145/2739482.2764890, 2015)
    MCCALL, J. A. W., CHRISTIE, L. A. and BROWNLEE, A. E. I, 2015. Generating easy and hard problems using the Proximate Optimality Principle. In: Proceedings of the Companion Publication of the 2015 Annual Conference on Genetic and Evolutionary Computation (GECCO Companion '15). New York: ACM. pp. 767-768.
    We present an approach to generating problems of variable difficulty based on the well-known Proximate Optimality Principle (POP), often paraphrased as "similar solutions have similar fitness". We explore definitions of ...
  • Partial structure learning by subset Walsh transform. 

    Christie, Lee A.; Lonie, David P.; McCall, John (IEEE http://dx.doi.org/10.1109/UKCI.2013.6651297, 2013)
    CHRISTIE, L. A., LONIE, D. P., and McCALL, J. A. W., 2013. Partial structure learning by subset Walsh transform. In: Proceedings of the 2013 UK Workshop on Computational Intelligence (UKCI), 2013. IEEE Press, pp. 128-135.
    Estimation of distribution algorithms (EDAs) use structure learning to build a statistical model of good solutions discovered so far, in an effort to discover better solutions. The non-zero coefficients of the Walsh ...
  • Minimal walsh structure and ordinal linkage of monotonicity-invariant function classes on bit strings. 

    Christie, Lee A.; McCall, John; Lonie, David P. (ACM http://dx.doi.org/10.1145/2576768.2598240, 2014)
    CHRISTIE, L. A., MCCALL, J. A. W. and LONIE, D. P., 2014. Minimal walsh structure and ordinal linkage of monotonicity-invariant function classes on bit strings. In: Proceedings of the 2014 Annual Conference on Genetic and Evolutionary Computation (GECCO '14). 12-16 July 2014. New York: ACM. pp. 333-340.
    Problem structure, or linkage, refers to the interaction between variables in a black-box fitness function. Discovering structure is a feature of a range of algorithms, including estimation of distribution algorithms (EDAs) ...
  • Structural coherence of problem and algorithm: an analysis for EDAs on all 2-bit and 3-bit problems. 

    Brownlee, Alexander Edward Ian; McCall, John; Christie, Lee A. (IEEE http://dx.doi.org/10.1109/CEC.2015.7257139, 2015-05)
    BROWNLEE, A. E. I., MCCALL, J. A. W. and CHRISTIE, L. A., 2015. Structural coherence of problem and algorithm: an analysis for EDAs on all 2-bit and 3-bit problems. In: 2015 IEEE Congress on Evolutionary Computation (CEC): Proceedings. 25-28 May 2015. Piscataway, NJ: IEEE. Pp. 2066-2073.
    Metaheuristics assume some kind of coherence between decision and objective spaces. Estimation of Distribution algorithms approach this by constructing an explicit probabilistic model of high fitness solutions, the ...
  • A multi-objective evolutionary algorithm fitness function for case-base maintenance. 

    Lupiani, Eduardo; Craw, Susan; Massie, Stewart; Juarez, Jose M.; Palma, Jose T. (Springer. http://dx.doi.org/10.1007/978-3-642-39056-2_16, 2013-07)
    LUPIANI, E., CRAW, S., MASSIE, S., JUAREZ, J. M. and PALMA, J. T., 2013. A multi-objective evolutionary algorithm fitness function for case-base maintenance. In: S. J. DELANY and S. ONTANON, eds. Case-Based Reasoning Research and Development: Proceedings of the 21st International Conference, ICCBR 2013. 8-11 July 2013. Berlin: Springer. Pp. 218-232.
    Case-Base Maintenance (CBM) has two important goals. On the one hand, it aims to reduce the size of the case-base. On the other hand, it has to improve the accuracy of the CBR system. CBM can be represented as a ...

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