Belief rule based expert systems are an extension of traditional rule based systems and are capable of representing more complicated causal relationships using different types of information with uncertainties. This paper describes how the belief rule based expert systems can be trained and used for pipeline leak detection. Pipeline operations under different conditions are modelled by a belief...

six patients with mitral stenosis complicated by renal artery embolism studied prospectively are presented. in five patients there was unilateral and in one patient bilateral renal artery involvement. the diagnosis was confirmed by intravenous pyelography, retrograde pyelography, renal angiography, renal scan or a combination of these. all had atrial fibrillation, proteinuria and elevated ldh l...

Iran is recognized as an endemic area for lung hydatidosis. Surgical removal of some hydatid cysts may have setious morbid consequences. To determine the characteristics of these special cysts, a retrospective survey was carried out on patients admitted to Modarres Hospital in Tehran between 1989 and 1998. We have found that ruptured, bilateral, lung located, and giant cysts (> ] 0 cm) caus...

Information retrieval systems consist of many complicated components. Research and development of such systems is often hampered by the difficulty in evaluating how each particular component would behave across multiple systems. We present a novel hybrid information retrieval system—the Query, Cluster, Summarize (QCS) system—which is portable, modular, and permits experimentation with different...

dynamic response of underground structures has always been a topic of concern for designers and researchers. the behavior of these complicated systems under blast loading is affected by various factors and parametric studies are required to investigate their significance. the importance of soil density around the underground structure through which, the waves of explosion of a penetrator bomb i...

the system of education is absolutely on the greatest and most complicated innovations of human being. today, in every country huge investments are made for education a large population of children, by a great number of people. it is obvious that education, which is related to the most valuable assets of nations, cannot be managed without using scientific tactics. productivity is a relatively a...

conclusions retrograde laparoscopic appendicectomy using single polymer clip makes easy access to operating in complicated and non-complicated appendicitis. results four patients (15.4%) were converted to open surgery; three patients in group i and one in group ii. four patients developed postoperative complications; three patients in group i and one in group ii. operative time was less in grou...

The framework for systems pharmacology style models does not naturally sit with the usual scientific dogma of parsimony and falsifiability based on deductive reasoning. This does not invalidate the importance or need for overarching models based on pharmacology to describe and understand complicated biological systems. However, it does require some consideration on how systems pharmacology fits...

Nowadays in the complicated systems, design of proper and implementable controller has a most importance. With respect to ability of fractional order systems in complicated systems identification as a first order fractional system with time delay, usage of fractional order PID has a proper result. From one side flexibility of fractional calculus than integer order has been topics of interest to...