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The problems of designing large software systems were studied through interviewing personnel from 17 large projects. A layered behavioral model is used to analyze how three of these problems—the thin spread of application domain knowledge, fluctuating and conflicting requirements, and communication bottlenecks and breakdowns—affected software(More)
BACKGROUND Dysphagia can be a significant complication following cardiac operations. This study evaluates its incidence and relationship to intraoperative transesophageal echocardiography (TEE) for specific indications versus known factors such as stroke or prolonged intubation. METHODS Records of 838 consecutive cardiac surgical patients were reviewed,(More)
Detectable p53 immunostaining in neoplasia generally correlates with the presence of a mutation in the coding region of the p53 gene and may provide insights into the pathogenic mechanisms underlying tumourigenesis. p53 immunoreactivity was examined in 77 feline tumours, selected as a representative sample of 486 specimens submitted for diagnosis and(More)
Most software process models are based on the management tracking and control of a project. The popular alternatives to these models such as rapid prototyping and program transformation are built around specific technologies, many of which are still in their adolescence. Neither of these approaches describe the actual processes that occur during the(More)
ompetitive pressures on the software industry from home and abroad have encouraged organizations to examine the effectiveness of their software development and evolution processes. This examination is occurring within the context of establishing performance baselines, setting improvement goals, explicitly defining the normally implicit processes and(More)
SEMATECH and the SEMATECH logo are registered service marks of SEMATECH, Inc. Abstract: This document examines the practices and successes of a comprehensive software improvement program implemented at Loral Space Information Systems Division, supplier of onboard software to the U.S. space shuttle. A focus on team-oriented problem analysis and quality(More)
Improving software in semiconductor manufacturing equipment was targeted by SEMATECH in the early '90s due to numerous reports of problems, failures, complexities and growing needs. The SEMATECH SPI Project has been working with equipment supplier companies on focused software improvement initiatives. This report will describe the key accomplishments and(More)