The transaction pattern through automating TrAM (2009)
Launders, I., Polovina, S., Hill, R.
Transaction Agent Modelling (TrAM) has demonstrated how the early requirements of complex enterprise systems can be captured and described in a lucid yet rigorous way. Using Geerts and McCarthy's REA...
First Results from the Catalina Real-Time Transient Survey (2009)
Drake, A. J., Djorgovski, S. G., Mahabal, A., Beshore, E., Larson, S., Graham, M. J., ...
We report on the results from the first six months of the Catalina Real-Time Transient Survey (CRTS). In order to search for optical transients (OTs) with timescales of minutes to years, the CRTS...
It is known that 80-85% of all corporate information remains unstructured. As such, many enterprises rely on information systems that cause them to risk transactions that are based on lack of...
Multi-wire proportional chamber for ultra-cold neutron detection (2009)
Morris, C. L., Bowles, T. J., Gonzales, J., Hill, R., Hogan, G., Makela, M., ...
In this paper we describe the principles that have guided our design and the experience we have gained building multi-wire proportional chambers detectors for the ultra-cold neutron (UCN) source at...
First Measurement of the Neutron beta Asymmetry with Ultracold Neutrons (2009)
Pattie, RW, Anaya, J, Back, HO, Boissevain, JG, Bowles, TJ, Broussard, LJ, ...
We report the first measurement of an angular correlation parameter in neutron beta decay using polarized ultracold neutrons (UCN). We utilize UCN with energies below about 200 neV, which we guide...
First measurement of the neutron β asymmetry with ultracold neutrons (2009)
Anaya, J., Back, H. O., Boissevain, J. G., Bowles, T. J., Broussard, L. J., ...
We report the first measurement of an angular correlation parameter in neutron β decay using polarized ultracold neutrons (UCN). We utilize UCN with energies below about 200 neV, which we guide and...
First Measurement of the Neutron beta Asymmetry with Ultracold Neutrons (2009)
Pattie, RW, Anaya, J, Back, HO, Boissevain, JG, Bowles, TJ, Broussard, LJ, ...
Holland, C. A., Hill, R., Cooke, R.
Self-identity as a careful pedestrian has not been fully considered in previous work on predicting intention to cross the road, or actual crossing behaviour, in non-optimal situations. Evidence...
Multi-Agent Simulation Analysis: Bay of Biscay Case Study (2008)
Maj Lance, E. Champagne, R. Hill
Abstract. Multi-agent simulations are finding application in an increasing number of areas over a wide spectrum of disciplines. These types of simulations are often touted for their ability to...
Product Evaluation in a Social Marketing and Community Development Context: A Case Study (2008)
We provide a case study of product evaluation for social marketing undertaken specifically within a 'community development' context. Starting Points is a highly differentiated not-for-profit...
Precision tests of the Standard Model with leptonic and semileptonic kaon decays (2008)
Antonelli, M., Cirigliano, V., Franzini, P., Glazov, S., Hill, R., ...
We present a global analysis of leptonic and semileptonic kaon decays data, including all recent results by BNL-E865, KLOE, KTeV, ISTRA+, and NA48. Experimental results are critically reviewed and...
Head repositioning accuracy to neutral: A comparative study of error calculation (2008)
Hill, R., Jensen, P., Baardsen, T., Kulvik, K., Jull, G., Treleaven, J.
Product Evaluation in a Social Marketing and Community Development Context: A Case Study (2008)
We provide a case study of product evaluation for social marketing undertaken specifically within a 'community development' context. Starting Points is a highly differentiated not-for-profit...
Salzman, Scott, Allinson, Graeme, Stagnitti, Frank, Hill, R., Thwaites, L., Ierodiaconou, Daniel, ...
Space Telescope Freedman, W. L. Freedman, S. M. Hughes, B. F. Madore, J. R. Mould, M. G. Lee, ...
We report on the discovery of 30 new Cepheids in the nearby galaxy M81 based on observations using the Space Telescope The periods for these lie in the range of 10 to 55 days, based on 18 independent...
I. Landgev, T. Maruta, R. Hill, Communicated Vera Pless
In this paper we prove the nonexistence of quaternary linear codes with parameters [51, 4, 37]. This result gives the exact value of n q(k, d) for q � 4, k � 4, d � 37 and 38. These were the...
1 Implementation of a Prototype Active Network (2007)
A. B. Kulkarni, G. J. Minden, R. Hill, Y. Wijata, A. Gopinath, S. Sheth, ...
Active Networks carry SmartPackets which contain both data and user-specified methods to extend the functionality of switches to perform user-specific computation on the encapsulated data. This...
The goal of the CPSC 599.14 practical project was to give the students some general experience with the practical problems of designing on-line handwriting recognition systems. The `sharks '...
Bifurcation and periodic points in the $l_{1}$-norm minimization problem (2007)
We explore an optimization problem which arises naturally in the design of feedback controllers to achieve optimal robustness. Stated mathematically, the problem imposes an $l_{1}$-norm objective on...
Procedure-specific surgical site infection rates and postdischarge surveillance in Scotland (2006)
Reilly, J., Allardice, G.M., Bruce, J., Hill, R., McCoubrey, J.
Objective. To investigate the impact of postdischarge surveillance (PDS) on surgical-site infection (SSI) rates for selected surgical procedures in acute care hospitals in Scotland. Design....
Statistical evaluation of data from tractor guidance systems (2006)
Dunn, P K, Powierski, A P, Hill, R
Statistical tools are discussed for the analysis of data collected from tractor guidance systems. The importance of both accuracy and precision is discussed, and statistical tools for analysis are...
A low background Micromegas detector for the CAST experiment (2005)
Abbon, P, Andriamonje, Samuel A, Aune, S, Besin, D, Cazaux, S, Contrepois, P, ...
A low background Micromegas detector has been operating on the CAST experiment at CERN for the search of solar axions during the first phase of the experiment (2002-2004). The detector operated...
Managing healthcare workflows in a multi-agent system environment (2005)
Hill, R., Polovina, S., Beer, M.
Whilst Multi-Agent System (MAS) architectures appear to offer a more flexible model for designers and developers of complex, collaborative information systems, implementing real-world business...
The variance of the hyperbolic lattice point counting function (2005)
Let G be a discrete group of isometries of the d-dimensional hyperbolic space H, such that G\H has finite volume. For points q,pÎH, we study the number Nr(q,p) of points of the lattice Gp in a ball...
Linear programming and l1-norm minimization problems with convolution constraints (2005)
We illustrate some recent results on exact solutions to discrete-time l1 norm minimization problems with convolution constraints. A fixed-point property for this class of problems is introduced. The...
Fabrication and performance of 50 nm T-gates for InP high electron mobility transistors (2004)
Cao, X., Thoms, S., Macintyre, D., McLelland, H., Boyd, E., Elgaid, K., ...
Fifty nanometre gate length T-gates In0.52A10.48As/In0.53Ga0.47As high electron mobility transistors (HEMTs) on a InP substrate were fabricated with high resolution electron-beam (e-beam) lithography...
Limitations of performance of a missile homing system (2004)
This paper would investigate fundamental limitations on the dynamic performance of a missile homing system. A linearized model of a proportional navigation guidance and control loop is shown in the...
Designing community care systems with AUML (2003)
This paper describes an approach to developing an appropriate agent environment appropriate for use in community care applications. Key to its success is that software designers collaborate with...
Beer, M., Hill, R., Wei Huang, D., Sixsmith, A.
Community Care is an area that requires extensive cooperation between independent agencies, each of which needs to meet its own objectives and targets. None are engaged solely in the delivery of...
Fractional weights and non-congruence subgroups (2003)
This note reviews the connection between the existence of fractional weight automorphic forms on real Lie groups, and the existence of non-congruence subgroups. It is intended to explain the simple...
What to do in marine biotechnology? (2003)
Tramper, J., Battershill, C., Brandenburg, W.A., Burgess, G., Hill, R., Luiten, E.E.M., ...
During the symposium "Marine Biotechnology: Basics and Applications", held 25 February¿1 March, 2003 in Matalascañas, Spain, a special brainstorm session was organized. Two questions were...
Comparative efficacy of thrombolytics in acute myocardial infarction: a systematic review (2003)
Dundar, Y., Hill, R., Dickson, R., Walley, T.
Background: The comparative clinical effectiveness of new (reteplase, tenecteplase) vs. older (alteplase, streptokinase) thrombolytic agents in the treatment of acute myocardial...
A zero–infinity law for well-approximable points in Julia sets (2002)
Let T:J \to J be an expanding rational map of the Riemann sphere acting on its Julia set J and f:J\to \mathbb{R} denote a Hölder continuous function satisfying f(x) > \log|T^\prime(x)| for all x in...
Metaplectic covers of GLn and the Gauss Schering Lemma (2001)
The Gauss-Schering Lemma is a classical formula for the Legendre symbol commonly used in elementary proofs of the quadratic reciprocity law. In this paper we show how the Gauss Schering Lemma may be...
Cruise, G. M., Hegre, O. D., Lamberti, F. V., Hager, S. R., Hill, R., Scharp, D. S., ...
The usefulness of interfacial photopolymerization of poly(ethylene glycol) (PEG) diacrylate at a variety of concentrations and molecular weights to form hydrogel membranes for encapsulating porcine...
Sudden cardiac death in hypertrophic cardiomyopathy (1995)
Marian, A. J., Mares, A., KELLY, D. P., Abchee, A. B., Hill, R., ...
Background: Recent identification of mutations in the β-myosin heavy chain gene (MYH7), a major responsible gene for HCM, has provided the opportunity to characterize genotype-phenotype correlation...
The effects of coupling on pattern formation in a simple autocatalytic system (1995)
The spatiotetnporal structures that can arise in two identical cells, each governed by cubic autocatalator kinetics and coupled via the diffusive interchange of a reactant, are discussed. The...
Santa Barbara Street, L. Searle �director, H. Babcock �emeritus, A. Dressler, J. Kristian, P. Mccarthy, ...
This report covers research done by Carnegie Observatories postdoctoral and scientific staff, and by visiting investigators at Las Campanas Observatory, during the one year period from July 1, 1994...
Pattern formation in a coupled cubic autocatalator system (1994)
The spatiotemporal structures that can arise in two identical cells, each governed by cubic autocatalator kinetics and coupled via the diffusive interchange of the autocatalyst, are discussed. The...
Angelopoulos, Angelos, Apostolakis, Alcibiades J, Armstrong, T A, Bassalleck, B, Benulis, C, Biard, J, ...
MAGNETIC AND THERMAL PROPERTIES OF HoF3-ORDERING IN A SINGLET GROUND STATE (1988)
Bleaney, B., Gregg, J., Hill, R., Lazzouni, M., Leask, M., Wells, M.
Holmium trifluoride, HoF3 has C1h symmetry at Ho3+ sites, resulting in a singlet electronic ground state and low-lying excited states. Magnetic, thermal and spectroscopic experiments show that HoF3...
MAGNETIC AND THERMAL PROPERTIES OF HoF3-ORDERING IN A SINGLET GROUND STATE (1988)
Bleaney, B., Gregg, J., Hill, R., Lazzouni, M., Leask, M., Wells, M.
Holmium trifluoride, HoF3 has C1h symmetry at Ho3+ sites, resulting in a singlet electronic ground state and low-lying excited states. Magnetic, thermal and spectroscopic experiments show that HoF3...
A GENERAL time-independent constitutive framework is constructed for crystals capable of crystallographic shearing. No restrictions are placed on their elasticity or on the amounts of slip. In...
D. W. Cawood, J. A. Stanton, R. Hill
This report documents and summarizes work accomplished in the Solu-
EXTREMUM PRINCIPLES FOR SLOW VISCOUS FLOW AND THE APPROXIMATE CALCULATION OF DRAG (1956)
A complementary pair of extremum principles are proved for a Newtonian viscous fluid in quasi-static flow. It is shown how these can be used to obtain arbitrarily close approximations from above and...
THE PLASTIC YIELDING OF NOTCHED BARS UNDER TENSION (1949)
The state of stress in the core of a notched bar is analysed at the moment when pronounced plastic yielding begins. The theory is two-dimensional and an ideal plastic-rigid material is assumed....
A VARIATIONAL PRINCIPLE OF MAXIMUM PLASTIC WORK IN CLASSICAL PLASTICITY (1948)
The classical equations of Lévy-Mises and Prandtl-Reuss for an ideally plastic material are reviewed. A variational principle of maximum plastic work is derived for plastic states of stress...
Osteoporosis affects more than 1.2 million women in England and Wales. Hip fractures are associated with increased mortality. The total cost of treating osteoporotic fractures in postmenopausal women...
Ceckler, T. L., Gibson, S. L., Kennedy, S. D., Hill, R., Bryant, R. G.
Photodynamic therapy (PDT) is efficacious in the treatment of small malignant lesions when all cells in the tumour receive sufficient drug, oxygen and light to induce a photodynamic effect capable of...