Browsing Advanced Reasoning Group by Title

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  • Goodarzi, Mohammad; Jensen, Richard; Vander Heyden, Yvan (2012-12-01)
    A Quantitative Structure-Retention Relationship (QSRR) is proposed to estimate the chromatographic retention of 83 diverse drugs on a Unisphere poly butadiene (PBD) column, using isocratic elutions at pH 11.7. Previous ...
  • Lee, Mark (1999-07)
    The engineering task of failure analysis involves reasoning about the behaviour of a system using appropriate models of system components and structure. This paper describes methods of qualitatively modelling electrical ...
  • Price, Chris; Trave-Massuyes, Louise; Milne, Rob; Ironi, Liliana; Forbus, Kenneth; Bredeweg, Bert; Lee, Mark; Struss, Peter; Snooke, Neal; Lucas, Peter; Cavazza, Marc; Coghill, George (2006-12-04)
    This paper reviews the state of the art in model-based systems and qualitative reasoning, and considers where the field will be in twenty years time. It highlights six areas where developments in model-based systems in ...
  • Lee, Mark (2000)
    There is a real need for qualitative circuit analysis tools in the ECAD application area. Recent simulators based on finite many valued resistance and current models (switch-level models) have been shown to have serious ...
  • Lee, Mark Howard; Garrett, Simon Martin (2000-10)
    When faced with an interface to an unknown system or device humans adopt exploratory interactive behaviour in order to gain information and insight. This paper describes a computer program which probes, observes and models ...
  • Shen, Qiang; Zhao, Ruiqing; Tang, Wansheng (2009)
    Random fuzzy theory offers an appropriate mechanism to model random fuzzy phenomena, with a random fuzzy variable defined as a function from a credibility space to a collection of random variables. Based on this theory, ...
  • Li, Shunqin; Shen, Qiang; Wansheng, Tang; Ruiqing, Zhao (2009)
    In renewal processes, fuzziness and randomness often coexist intrinsically. Based on the random fuzzy theory, a delayed renewal process with random fuzzy interarrival times is proposed in this paper. Relations between the ...
  • Yang, M.; Shen, Qiang (2008-05-15)
    This paper presents an integrated knowledge-based system, which combines fuzzy rule-based reasoning with case-based reasoning, for turbomachinery diagnosis. By incorporating a case-based reasoning sub-system in a fuzzy ...
  • Shen, Qiang; Zhao, Ruiqing (2010-11-15)
    This paper presents a novel approach for assessing the potential risk of serious crime events (e.g. terrorist attack). The modelling and assessment of such risk is carried out under uncertain circumstances because of both ...
  • Shen, Qiang; MacParthaláin, Neil Seosamh; Jensen, Richard (2008-09-10)
    The accuracy of methods for the detection of mammographic abnormaility is heavily related to breast tissue characteristics. A breast with high tissue density will have reduced sensitivity in terms of detection. Also, breast ...
  • Shen, Qiang (Springer Nature, 2007)
    The last two decades have seen many powerful classification systems being built for large-scale real-world applications. However, for all their accuracy, one of the persistent obstacles facing these systems is that of data ...
  • Jensen, Richard; Shen, Qiang (Information Science Reference, 2007-11-15)
    Feature selection aims to determine a minimal feature subset from a problem domain while retaining a suitably high accuracy in representing the original features. Rough set theory (RST) has been used as such a tool with ...
  • Wang, Xiangyang; Yang, Jie; Jensen, Richard; Liu, Xiaojun (2006-08-08)
    The degree of malignancy in brain glioma is assessed based on Magnetic Resonance Imaging (MRI) findings and clinical data before operation. These data contain irrelevant features, while uncertainties and missing values ...
  • Shen, Qiang; Jensen, Richard (2007)
    Rough set theory provides a useful mathematical foundation for developing automated computational systems that can help understand and make use of imperfect knowledge. Despite its recency, the theory and its extensions ...
  • Zhou, Yuren; He, Jun (2007-10)
    Although there are many evolutionary algorithms (EAs) for solving constrained optimization problems, there are few rigorous theoretical analyses. This paper presents a time complexity analysis of EAs for solving constrained ...
  • Thomas, Lynda; Thomasson, Benjy; Ratcliffe, Mark (2004)
    This paper describes a project being undertaken at the University of Wales, Aberystwyth that aims to enhance the pedagogical process through the use of collaborative design. It describes a survey that highlights dissatisfaction ...
  • Huang, Zhiheng; Shen, Qiang (2004)
    This paper generalises the previously proposed interpolative reasoning method [5] to cover interpolations involving complex polygon, Gaussian or other bell-shaped fuzzy membership functions. This can be achieved by the ...
  • Shen, Qiang; Keppens, Jeroen; Aitken, Colin; Schafer, Burkhard; Lee, Mark (2007-01-16)
    Consideration of a wide range of plausible crime scenarios during any crime investigation is important to seek convincing evidence and hence to minimize the likelihood of miscarriages of justice. It is equally important ...

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