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Showing 1 to 20 of 44 for “"Software reliability"”.
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Software Reliability Models
… these models are unsuitable for modelling real software error data. On the other hand if the density function of the inter-failure times is made proper by multiplying with a constant, then we cannot assume finite number of expected faults in the system which is the basic assumption in building …
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Software reliability prediction
… likelihood parameter estimates of a number of software reliability models. On the basis of the results from analysing 7 sets of real data, these methods are found to be both efficient and reliable. The simple approach of adapting software reliability predictions by Keiller and Littlewood (1984) …
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Software reliability prediction
… presents some extensions to existing methods of software reliability estimation and prediction. Firstly, we examine a technique called 'recalibration' by means of which many existing software reliability prediction algorithms assess past predictive performance in order to improve the accuracy of …
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Software reliability prediction
… NCR's decision making process for progressing software products through the development cycle. The first chapter briefly describes the software development process at NCR, detailing documentation review and software testing techniques. The objectives and reasons for investigating software …
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Software Reliability Issues: An Experimental Approach
… graph whereby the predictive performance of software reliability models can be analyzed and improved under laboratory conditions. This procedure substitutes the averages of large sample sets for the single point samples normally used as inputs to these models and thus supports scrutiny of …
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Sequential Sampling Designs for Estimating Software Reliability
… system, it is impossible to reach the exact reliability of software due to the complexity, cost, and time required to complete the testing. Instead, a sample of test cases can be used to estimate the overall software reliability. Our objective is to obtain the most accurate estimate of …
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Software reliability prediction : a multi-modelling approach
Many software reliability models are now available to the user who wishes to assess and make predictions about the future reliability of his/her system by using its past failure behaviour. Experience of applying such models to failure data in the past has shown that, to date, there is no one model …
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Leveraging Code Comments to Improve Software Reliability
… were used to check against source code to detect software bugs, and 9 bugs were detected from the latest version of the Linux kernel at the time of writing.
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Using Data Mining Techniques to Improve Software Reliability
Copy-pasted code is very common in large software, but it is prone to introducing bugs. CP-Miner uses frequent sequence mining to efficiently identify copy-pasted code in large software, and detects copy-paste related bugs. In order to further understand copy-paste in system software, this …
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Uncertainty analysis in software reliability of component-based systems
Several architecture-based software reliability models were proposed in the past. These models compute the point estimate of system reliability by plugging point estimates of unknown parameters into the model. These models however, discard the uncertainty of the parameters, that is, they do not …
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A Software Reliability Model Combining Representative and Directed Testing
<p>Traditionally, software reliability models have required that failure data be gathered using only representative testing methods. Over time, however, representative testing becomes inherently less effective as a means of improving the actual quality of the software under test. Additionally, the …
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The effects of voting algorithms on N-version software reliability
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Estimation in a Marked Poisson Error Recapture Model of Software Reliability
<p>Nayak's (1988) model for the detection, removal, and recapture of the errors in a computer program is extended to a larger family of models in which the probabilities that the successive programs produce errors are described by the tail probabilities of discrete distribution on the positive …
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Empirical assessment of architecture-based reliability of open-source software
… have been proposed earlier for quantifying software reliability. Some of these models estimate the failure behavior of the software using black-box testing, which treats the software as a monolithic whole. With the evolution of component based software development, the necessity to use …
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Software tool for reliability estimation
Reliability engineering is now an essential part of product development. In the area of electronics, reliability needs to be checked for each critical component before the product is shipped. Electronic products can range from computers to pace makers.;Over the years, several tools have been …
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Development of decision support system for reliability
Reliability analysis is now an essential part of any product development. In the field of Electrical Engineering, reliability models are developed and analyzed for every component before it comes to market. The complexity of the product can range from a simple transistor to an integrated circuit …
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Complexity measurement of a graphical programming language and comparison of a graphical and a textual design language
For many years the software engineering community has been attacking the software reliability problem on two fronts. First via design methodologies, languages and tools as a precheck on quality and second by measuring the quality of produced software as a postcheck. This research attempts to unify …
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Making runtime monitoring of parametric properties practical
Software reliability has become more important than ever in recent years, as a wide spectrum of software solutions are being used on various platforms. To this end, runtime monitoring is one of the most promising and feasible solutions for enhancing software reliability. In particular, runtime …
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Early component-based reliability assessment using UML based software models
In the last decade, software has grown in complexity and size, while development timelines have diminished. As a result, component-based software engineering is becoming routine. Component-based software reliability assessment combines the architecture of the system with the reliability of the …
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