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The innate difficulty of constructing multi-agent systems has motivated agent developers to move away from developing point solutions to point problems in favour of developing methodolo-gies and toolkits for building distributed multi-agent systems. This philosophy led to the development of the ZEUS Agent Building Toolkit, which facilitates the rapid(More)
The multi-agent systems approach of knowledge level cooperation between autonomous agents promises significant benefits to distributed systems engineering, such as enhanced interoperability, scalability and re-configurability. However, thus far, because of the innate difficulty of constructing multi-agent systems, this promise has been largely unrealised.(More)
The clinical and echocardiographic variables related to left atrial spontaneous echo contrast were prospectively evaluated in a consecutive series of 400 patients undergoing transesophageal echocardiography with a 5-MHz single plane transducer. Left atrial spontaneous echo contrast was found in 75 patients (19%) and was significantly associated with atrial(More)
Much has been published on the functional properties of multi-agent systems (MASs) including their coordination , rationality and knowledge modelling. However, an important research area which has so far received only scant attention covers the non-functional properties of MASs which include performance, scalability and stability issues — clearly these(More)
There is an emerging desire amongst agent researchers to move away from point solutions in favour of developing methodologies and tool-kits for building distributed multi-agent systems. This philosophy has led researchers at BT Labs to develop the ZEUS Agent Building Tool-kit, which facilitates the engineering of future agent applications through a library(More)
There is an emerging desire among agent researchers to move away from developing point solutions to point problems in favour of developing methodologies and tool-kits for building distributed multi-agent systems. This philosophy has led to the development of the ZEUS agent building tool-kit, which facilitates the engineering of collaborative agent(More)
OBJECTIVES To evaluate the applicability of changes in spectra of systemic arterial pressure and heart rate signals in the prediction of patient outcome in an adult intensive care unit (ICU). To compare the prognostic predictability of this method with the Acute Physiology and Chronic Health Evaluation II (APACHE II) scoring system. DESIGN Prospective(More)
OBJECTIVES This study examined the relation between left atrial spontaneous echo contrast, hematologic variables and thrombo-embolism in patients with nonvalvular atrial fibrillation. BACKGROUND Left atrial spontaneous echo contrast is associated with left atrial stasis and thromboembolism in patients with nonvalvular atrial fibrillation. However, its(More)
OBJECTIVE To determine the value of transoesophageal echocardiography in the assessment of selected patients at risk of cardiogenic embolism or after it. DESIGN Prospective comparison of the results of transoesophageal and transthoracic echocardiography. Transoesophageal echocardiography was performed with a 5 MHz single plane phased array transducer. (More)
There is an emerging consensus on the need to develop methodologies and tool-kits for building distributed multi-agent systems. This paper presents ZEUS, an advanced development tool-kit for constructing collaborative agent applications. ZEUS is a culmination of a careful synthesis of established agent technologies with the addition of some new ones, to(More)