All Outputs (115)

An investigation on test driven discrete event simulation (2014)
Conference Proceeding
Asta, S., Özcan, E., & Peer-Olaf, S. (2014). An investigation on test driven discrete event simulation.

This paper deals with the application of modern software development tools on simulation development. Recently, Agile Software Development (ASD) methods enjoy an increasing popularity. eXtreme Programming (XP) techniques, one of the techniques which... Read More about An investigation on test driven discrete event simulation.

Listening to the forest and its curators: lessons learnt from a bioacoustic smartphone application deployment (2014)
Conference Proceeding
Moran, S., Pantidi, N., Rodden, T., Chamberlain, A., Griffiths, C., Zilli, D., & Merrett, G. (2014). Listening to the forest and its curators: lessons learnt from a bioacoustic smartphone application deployment. . https://doi.org/10.1145/2556288.2557022

Our natural environment is complex and sensitive, and is home to a number of species on the verge of extinction. Surveying is one approach to their preservation, and can be supported by technology. This paper presents the deployment of a smartphone-b... Read More about Listening to the forest and its curators: lessons learnt from a bioacoustic smartphone application deployment.

A genetic programming hyper-heuristic for the multidimensional knapsack problem (2014)
Journal Article
Drake, J. H., Hyde, M., Khaled, I., & Özcan, E. (2014). A genetic programming hyper-heuristic for the multidimensional knapsack problem. Kybernetes, 43(9/10), https://doi.org/10.1108/K-09-2013-0201

Purpose: Hyper-heuristics are a class of high-level search techniques which operate on a search space of heuristics rather than directly on a search space of solutions. The purpose of this paper is to investigate the suitability of using genetic prog... Read More about A genetic programming hyper-heuristic for the multidimensional knapsack problem.

Nottingham Prognostic Index Plus (NPI+): a modern clinical decision making tool in breast cancer (2014)
Journal Article
Rakha, E., Soria, D., Green, A. R., Lemetre, C., Powe, D. G., Nolan, C. C., …Ellis, I. O. (2014). Nottingham Prognostic Index Plus (NPI+): a modern clinical decision making tool in breast cancer. British Journal of Cancer, 110(7), https://doi.org/10.1038/bjc.2014.120

Current management of breast cancer (BC) relies on risk stratification based on well-defined clinicopathologic factors. Global gene expression profiling studies have demonstrated that BC comprises distinct molecular classes with clinical relevance. I... Read More about Nottingham Prognostic Index Plus (NPI+): a modern clinical decision making tool in breast cancer.

From Interval-Valued Data to General Type-2 Fuzzy Sets (2014)
Journal Article
Wagner, C., Miller, S., Garibaldi, J. M., Anderson, D. T., & Havens, T. C. (2015). From Interval-Valued Data to General Type-2 Fuzzy Sets. IEEE Transactions on Fuzzy Systems, 23(2), 248-269. https://doi.org/10.1109/tfuzz.2014.2310734

In this paper, a new approach is presented to model interval-based data using fuzzy sets (FSs). Specifically, we show how both crisp and uncertain intervals (where there is uncertainty about the endpoints of intervals) collected from individual or mu... Read More about From Interval-Valued Data to General Type-2 Fuzzy Sets.

A development and integration framework for optimisation-based enterprise solutions (2014)
Conference Proceeding
Pinheiro, R. L., & Landa-Silva, D. (2014). A development and integration framework for optimisation-based enterprise solutions.

The operations research literature includes some papers describing collaborative work between researchers and industry. However, not much literature exists that outlines methodologies to guide the development of a decision support module and its inte... Read More about A development and integration framework for optimisation-based enterprise solutions.

Constructing constrained-version of magic squares using selection hyper-heuristics (2014)
Journal Article
Kheiri, A., & Özcan, E. (2014). Constructing constrained-version of magic squares using selection hyper-heuristics. Computer Journal, 57(3), https://doi.org/10.1093/comjnl/bxt130

A square matrix of distinct numbers in which every row, column and both diagonals have the same total is referred to as a magic square. Constructing a magic square of a given order is considered a difficult computational problem, particularly when ad... Read More about Constructing constrained-version of magic squares using selection hyper-heuristics.

Searching the hyper-heuristic design space (2014)
Journal Article
Swan, J., Woodward, J., Özcan, E., Kendall, G., & Burke, E. (2014). Searching the hyper-heuristic design space. Cognitive Computation, 6(1), https://doi.org/10.1007/s12559-013-9201-8

We extend a previous mathematical formulation of hyper-heuristics to reflect the emerging generalization of the concept. We show that this leads naturally to a recursive definition of hyper-heuristics and to a division of responsibility that is sugge... Read More about Searching the hyper-heuristic design space.

Data classification using the Dempster-Shafer method (2014)
Journal Article
Chen, Q., Whitbrook, A., Aickelin, U., & Roadknight, C. (2014). Data classification using the Dempster-Shafer method. Journal of Experimental and Theoretical Artificial Intelligence, https://doi.org/10.1080/0952813X.2014.886301

In this paper, the Dempster-Shafer method is employed as the theoretical basis for creating data classification systems. Testing is carried out using three popular (multiple attribute) benchmark datasets that have two, three and four classes. In each... Read More about Data classification using the Dempster-Shafer method.

The Malthusian Paradox: performance in an alternate reality game (2014)
Journal Article
Evans, E., Flintham, M., & Martindale, S. (2014). The Malthusian Paradox: performance in an alternate reality game. Personal and Ubiquitous Computing, 18(7), https://doi.org/10.1007/s00779-014-0762-7

The Malthusian Paradox is a transmedia alternate reality game (ARG) created by artists Dominic Shaw and Adam Sporne played by 300 participants over three months. We explore the design of the game, which cast players as agents of a radical organisatio... Read More about The Malthusian Paradox: performance in an alternate reality game.

Signalling Paediatric Side Effects using an Ensemble of Simple Study Designs (2014)
Journal Article
Reps, J., M. Garibaldi, J., Aickelin, U., Soria, D., E. Gibson, J., & B. Hubbard, R. (2014). Signalling Paediatric Side Effects using an Ensemble of Simple Study Designs. Drug Safety, 37(3), 163-170. https://doi.org/10.1007/s40264-014-0137-z

Background: Children are frequently prescribed medication `o-label', meaning there has not been sucient testing of the medication to determine its safety or eectiveness. The main reason this safety knowledge is lacking is due to ethical restrictions... Read More about Signalling Paediatric Side Effects using an Ensemble of Simple Study Designs.

Distribution-based fuzzy clustering of electrical resistivity tomography images for interface detection (2014)
Journal Article
Ward, W. O., Wilkinson, P. B., Chambers, J. E., Oxby, L. S., & Bai, L. (2014). Distribution-based fuzzy clustering of electrical resistivity tomography images for interface detection. Geophysical Journal International, 197(1), https://doi.org/10.1093/gji/ggu006

A novel method for the effective identification of bedrock subsurface elevation from electrical resistivity tomography images is described. Identifying subsurface boundaries in the topographic data can be difficult due to smoothness constraints used... Read More about Distribution-based fuzzy clustering of electrical resistivity tomography images for interface detection.

A dynamic appearance descriptor approach to facial actions temporal modeling (2014)
Journal Article
Jiang, B., Valstar, M., Martinez, B., & Pantic, M. (2014). A dynamic appearance descriptor approach to facial actions temporal modeling. IEEE Transactions on Cybernetics, 44(2), https://doi.org/10.1109/TCYB.2013.2249063

Both the configuration and the dynamics of facial expressions are crucial for the interpretation of human facial behavior. Yet to date, the vast majority of reported efforts in the field either do not take the dynamics of facial expressions into acco... Read More about A dynamic appearance descriptor approach to facial actions temporal modeling.

Supporting group interactions in museum visiting (2014)
Conference Proceeding
Tolmie, P., Benford, S., Greenhalgh, C., Rodden, T., & Reeves, S. (2014). Supporting group interactions in museum visiting.

Ethnographic study in two contrasting museums highlights a widespread but rarely documented challenge for CSCW design. Visitors' engagement with exhibits often ends prematurely due to the need to keep up with or attend to fellow group members. We unp... Read More about Supporting group interactions in museum visiting.

Extension of the Fuzzy Integral for General Fuzzy Set-Valued Information (2014)
Journal Article
Anderson, D. T., Havens, T. C., Wagner, C., Keller, J. M., Anderson, M. F., & Wescott, D. J. (2014). Extension of the Fuzzy Integral for General Fuzzy Set-Valued Information. IEEE Transactions on Fuzzy Systems, 22(6), 1625-1639. https://doi.org/10.1109/TFUZZ.2014.2302479

The fuzzy integral (FI) is an extremely flexible aggregation operator. It is used in numerous applications, such as image processing, multicriteria decision making, skeletal age-at-death estimation, and multisource (e.g., feature, algorithm, sensor,... Read More about Extension of the Fuzzy Integral for General Fuzzy Set-Valued Information.

Qualitative meta-synthesis of user experience of computerised therapy for depression and anxiety (2014)
Journal Article
Knowles, S., Toms, G., Sanders, C., Bee, P., Lovell, K., Rennick-Egglestone, S., …Bower, P. (in press). Qualitative meta-synthesis of user experience of computerised therapy for depression and anxiety. PLoS ONE, 9(1), Article e84323. https://doi.org/10.1371/journal.pone.0084323

Objective: Computerised therapies play an integral role in efforts to improve access to psychological treatment for patients with depression and anxiety. However, despite recognised problems with uptake, there has been a lack of investigation into th... Read More about Qualitative meta-synthesis of user experience of computerised therapy for depression and anxiety.

Adaptive linear combination of heuristic orderings in constructing examination timetables (2014)
Journal Article
Abdul-Rahman, S., Bargiela, A., Burke, E., Özcan, E., McCollum, B., & McMullan, P. (2014). Adaptive linear combination of heuristic orderings in constructing examination timetables. European Journal of Operational Research, 232(2), https://doi.org/10.1016/j.ejor.2013.06.052

In this paper, we investigate adaptive linear combinations of graph coloring heuristics with a heuristic modifier to address the examination timetabling problem. We invoke a normalisation strategy for each parameter in order to generalise the specifi... Read More about Adaptive linear combination of heuristic orderings in constructing examination timetables.

A novel polar space random field model for the detection of glandular structures (2014)
Journal Article
Fu, H., Qiu, G., Shu, J., & Ilyas, M. (2014). A novel polar space random field model for the detection of glandular structures. IEEE Transactions on Medical Imaging, 33(3), 764-776. https://doi.org/10.1109/TMI.2013.2296572

In this paper, we propose a novel method to detect glandular structures in microscopic images of human tissue. We first convert the image from Cartesian space to polar space and then introduce a novel random field model to locate the possible boundar... Read More about A novel polar space random field model for the detection of glandular structures.

Mechanical modelling quantifies the functional importance of outer tissue layers during root elongation and bending (2014)
Journal Article
Dyson, R. J., Vizcay-Barrena, G., Band, L. R., Fernandes, A. N., French, A. P., Fozard, J. A., …Jensen, O. E. (2014). Mechanical modelling quantifies the functional importance of outer tissue layers during root elongation and bending. New Phytologist, 202(4), 1212-1222. https://doi.org/10.1111/nph.12764

Root elongation and bending require the coordinated expansion of multiple cells of different types. These processes are regulated by the action of hormones that can target distinct cell layers. We use a mathematical model to characterise the influenc... Read More about Mechanical modelling quantifies the functional importance of outer tissue layers during root elongation and bending.

Comparing stochastic differential equations and agent-based modelling and simulation for early-stage cancer (2014)
Journal Article
Figueredo, G. P., Siebers, P., Owen, M. R., Reps, J., & Aickelin, U. (2014). Comparing stochastic differential equations and agent-based modelling and simulation for early-stage cancer. PLoS ONE, 9(4), Article e95150. https://doi.org/10.1371/journal.pone.0095150

There is great potential to be explored regarding the use of agent-based modelling and simulation as an alternative paradigm to investigate early-stage cancer interactions with the immune system. It does not suffer from some limitations of ordinary d... Read More about Comparing stochastic differential equations and agent-based modelling and simulation for early-stage cancer.