Improving Software Maintenance through Advanced Trace Analysis and Abstraction Techniques

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Our society depends greatly on software systems in many of its critical activities including finance, health, education, telecommunications, aerospace, and many more. These software systems need to be regularly maintained and upgraded to meet the ever increasing user needs and the constant changes in technology. However, maintaining such systems is a challenging and costly activity. In fact, experts agree that this is one of the most difficult tasks in software engineering. The problem is that software engineers must understand different aspects of a software system before they can make changes that preserve reliability and other system attributes. In an ideal environment, design decisions would be based on information kept in up-to-date documentation. However, for a variety of reasons, maintaining sufficiently good documentation has been found to be impractical in many organizations.