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Browsing Centres Science and Engineering by Title

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  • Objects, Components and the Virtual Enterprise
    Dobson, Simon; Nixon, Paddy (Trinity College Dublin, Dept. of Computer Science, 1999)
    We are currently witnessing a convergence of several threads of technology and business imperatives. The idea of a virtual enterprise (VE) – a business built from both organizationally and geographically distributed units ...
  • On bivariate survival regression models
    Lynch, Joseph; MacKenzie, Gilbert (IWSM, 2011)
    We compare and contrast the properties of the bivariate Weibull and GTDL regression survival models. An analytic expression for the correlation between times is derived for the Weibull model and a modified Kullback-Lei ...
  • On event-based middleware for location-aware mobile applications
    Meier, Rene; Cahill, Vinny (IEEE Computer Society, 2010)
    As mobile applications become more widespread, programming paradigms and middleware architectures designed to support their development are becoming increasingly important. The event-based programming paradigm is a strong ...
  • On the interval estimation of the parameters of a generalized time-dependent logistic model
    Louzada-Neto, Francisco; MacKenzie, Gilbert; Cremasco, Caroline Pires; Ferreira-Silva, Paulo Henrique (UNESP, 2011)
    In order to accommodating crossing hazard curves, which are non- proportional hazards, we consider in this paper a generalized time-dependent logistic hazard survival model, which has a time-dependent term. The model is ...
  • Ontonym : a collection of upper ontologies for developing pervasive systems
    Dobson, Simon; Stevenson, Graeme; Knox, Stephen; Nixon, Paddy (Association for Computing Machinery, 2009)
    Pervasive systems present the need to interpret large quantities of data from many sources. Context models support developers working with such data by providing a shared representation of the environment on which to base ...
  • Open innovation in secondary software firms: an exploration of managers' perceptions of open source software
    Morgan, Lorraine; Finnegan, Patrick (Springer, 2010)
    Open source software (OSS) is probably the best known exemplar of open innovation, with many practitioner-oriented publications having debated the merits and drawbacks of OSS in recent years. Nevertheless, much of the ...
  • An optical counting technique with vertical hydrodynamic focusing for biological cells
    Chiavaroli, Stefano; Newport, David; Woulfe, Bernie (American Institute of Physics, 2010)
    A barrier in scaling laboratory processes into automated microfluidic devices has been the transfer of lab based assays: where engineering meets biological protocol. One basic requirement is to reliably and accurately ...
  • Particle size distribution reconstruction: the moment surface method
    Hutton, Kieran W; Mitchell, Niall A; Frawley, Patrick (Elsevier, 2012)
    Numerical simulation of typical chemical engineering processes, such as crystallisation, liquid-liquid extraction, milling and other multi-phase operations in which exist discrete and continuous phases are highly computationally ...
  • Pattern-based customisable transformations for style-based service architecture evolution
    Ahmad, Aakash; Pahl, Claus (IEEE Computer Society, 2010)
    Service-based architecture have now become commonplace, creating the need to address their systematic maintenance and evolution. We propose a layered pattern based transformation framework to support a stepwise and incremental ...
  • Periodic binary Si:Ti, Si:Al mixed macroporous oxides with ultra-high heteroatom loading: a facile sol-gel approach
    Hant, Steven M.; Attard, George S.; Riddle, Rodney; Ryan, Kevin M. (American Chemical Society, 2005)
    Highly ordered macroporous mixed metal oxides were prepared with very high mixed metal ratios using an optimized silicon alkoxide prehydrolysis process. The homogenous solutions completely filled the interstitial voids in ...
  • Perpendicular growth of catalyst-free germanium nanowire arrays.
    Barrett, Christopher A.; Geaney, Hugh; Gunning, Robert D.; Laffir, Fathima R.; Ryan, Kevin M. (Royal Society of Chemistry, 2011)
    High yields of single-crystalline Ge nanowires (NWs) were synthesized through the thermal decomposition of diphenylgermane (DPG) in the vapor phase of a high boiling point organic solvent. The NWs were single crystal and ...
  • Pore expansion in mesoporous silicas using supercritical carbon dioxide
    Hanrahan, John P.; Copley, Mark P.; Ryan, Kevin M.; Spalding, Trevor R.; Morris, Michael A.; Holmes, Justine D. (American Chemical Society, 2004)
    In this paper we report the controlled expansion of pores within mesoporous silicas using supercritical carbon dioxide (sc-CO2). Our method uses the tunable density of sc-CO2 to induce the controlled swelling of the triblock ...
  • A practical application of the IDEAL model
    Casey, Valentine; Richardson, Ita (John Wiley and Sons Limited, 2004)
    The focus of this paper is to outline the experience of a European based software organization utilizing the IDEAL model, while implementing a tailored Capability Maturity Model (CMM) software process improvement program. ...
  • Practical guidelines for constructing and simplifying tables for finite state machines (FSMs) and trace functions (TFs)
    Baber, Robert L. (2005)
  • Precise documentation of critical software
    Vilkomir, Sergiy A.; Parnas, David Lorge (IEEE Computer Society, 2007)
    This experience and research based paper discusses the reasons that software cannot be trusted and then explains how the use of greatly improved documentation can make software more trustworthy. It shows how tabular ...
  • Precise specification of design pattern structure and behaviour
    Sterritt, Ashley; Clarke, Siobhán; Cahill, Vinny (Springer-Verlag, 2010)
    Applying design patterns while developing a software system can improve its non-functional properties, such as extensibility and loose coupling. Precise specification of structure and behaviour communicates the invariants ...
  • Precision of estimators in interval censored parametric survival models
    Peng, Defen; MacKenzie, Gilbert (IWSM, 2011)
    Recently, several advances have been made in the analysis of interval censored (IC) data mainly in relation to semi-parametric proportional hazard (PH) models (Gómez et al., 2009, Lesaffre et al., 2005). It is arguable, ...
  • Preparation and characterisation of solid state forms of paracetamol-O-glucuronide
    Hayes, John A; Eccles, Kevin S; Lawrence, Simon E; Moynihan, Humphrey A (Elsevier, 2012)
    The synthesis and crystallisation of the pharmaceutically important metabolite, paracetamol-O-glucuronide, is described. Hydrated and anhydrous forms of the target molecule have been characterised by PXRD, DSC and TGA. In ...
  • Prioritized slotted-Circus
    Gancarski, Pawel; Butterfield, Andrew (Springer-Verlag, 2010)
    This paper describes an extension adding priority to slotted-Circus, a generic framework for reasoning about discretely timed and/or synchronously clocked systems. The semantics of prioritised external choice is given using ...
  • A procedure for interface design
    Parnas, David Lorge (2003)
    Improperly designed interfaces can make modular programs almost indistinguishable from monoliths. An interface encapsulates design decisions only if it need not be changed when those design decisions are changed. This talk ...

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