"The totality of characteristics of an entity that bear on its ability to satisfy stated or implied needs." (Timothy J Kloppenborg et al, "Project Leadership", 2003)
"The degree to which a system, component, or process meets specified requirements, user needs, or stakeholder expectations." (Richard D Stutzke, "Estimating Software-Intensive Systems: Projects, Products, and Processes", 2005)
"The degree or grade of excellence. In a product-development context, it is a product with superior features that performs on target with low variability throughout its intended life. In an economic context, it is the absence or minimization of costs associated with the purchase and use of a product or process." (Clyde M Creveling, "Six Sigma for Technical Processes: An Overview for R Executives, Technical Leaders, and Engineering Managers", 2006)
"A measure of the acceptability or 'goodness” of a system or element'." (Bruce P Douglass, "Real-Time Agility: The Harmony/ESW Method for Real-Time and Embedded Systems Development", 2009)
"1.The degree to which a set of inherent characteristics fulfills requirements. Quality is a multi-faceted concept. The dimensions of quality that are considered most important depend on user perspectives, needs and priorities, which vary across groups of users. 2.Adjective. In common use, of or having superior or high quality, or being perceived as superior, without specific qualification. 3.A peculiar and essential character, the degree of some characteristic meeting expectations. Quality is defined through four virtues - clarity, elegance, simplicity, and value." (DAMA International, "The DAMA Dictionary of Data Management", 2011)
"The predetermined standard of excellence that may be applied to a product or service to measure how closely the product or service conforms to the standard and satisfies the customer." (Joan C Dessinger, "Fundamentals of Performance Improvement" 3rd Ed., 2012)
"A comparative concept that described the relative ability of two or more competing processes to drive outcomes. A higher-quality process drives a better outcome when considering a full variety of direct and indirect sources of value. Quality is subjective, and depending on organizational and personal objectives, the perception of which process is higher quality may vary." (Evan Stubbs, "Delivering Business Analytics: Practical Guidelines for Best Practice", 2013)
"A relative and unique concept that in effect refers to the standard of something as measured against other things of a similar kind; the degree of excellence of something." (Sally-Anne Pitt, "Internal Audit Quality", 2014)
"1. The totality of characteristics and their values relating to a product or service. They relate to the product’s ability to fulfill specified or implied needs. 2. The degree to which a component, system, or process meets user/customer needs and expectations. 3. The degree to which a set of inherent characteristics fulfills requirements." (Tilo Linz et al, "Software Testing Foundations, 4th Ed", 2014)
"A quality is an attribute or property of a resource. A quality is logically ascribable by a subject. (Ed.)" (Robert J Glushko, "The Discipline of Organizing: Professional Edition" 4th Ed., 2016)
"A subjective term for which each person or sector has its own definition. In technical usage, quality can have two meanings: 1) the characteristics of a product or service that bear on its ability to satisfy stated or implied needs; 2) a product or service free of deficiencies." (American Society for Quality)
"Software that meets business requirements, provides asatisfying user experience, and has fewer defects." (Forrester)
"the ability of a product, service or process to provide the intended value" (ITIL)
"The degree to which a component, system or process meets specified requirements and/or user/customer needs and expectations." [IEEE 610]
"The degree to which a set of inherent characteristics fulfills requirements." (ISO 9000:2000, SDMX)
"The totality of features of a product or service that fulfill stated or implied needs." (ISO 8402)
"The totality of functionality and features of a software product that bear on its ability to satisfy stated or implied needs." (ISO/IEC 25000)
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