Uncertain logic is a generalization of classical logic for dealing with uncertain knowledge via uncertainty theory. The truth value is defined as the uncertain measure that a proposition is true. In this paper, a numerical method for calculating the truth value of uncertain formulas is proposed and some examples are presented. 2011 Elsevier Ltd. All rights reserved.

The parts manufacturing companies should select a proper strategy according to their current and future environmental conditions and capabilities to survive and thrive in competitive market. To help the companies to select the best strategy the current paper proposes a model. The model is developed using a number of strategic tools, including TOPSIS, SWOT analysis and Six Paths Framework to For...

This chapter presents seven key elements that provide candidate foundations for value-based software engineering: 1. Benefits Realization Analysis 2. Stakeholder Value Proposition Elicitation and Reconciliation 3. Business Case Analysis 4. Continuous Risk and Opportunity Management 5. Concurrent System and Software Engineering 6. Value-Based Monitoring and Control 7. Change as Opportunity Using...

One’s inaccuracy for a proposition is defined as the squared difference between the truth value (1 or 0) of the proposition and the credence (or subjective probability, or degree of belief) assigned to the proposition. One should have the epistemic goal of minimizing the expected inaccuracies of one’s credences. We show that the method of minimizing expected inaccuracy can be used to solve cert...

Given the increasing interest in sustainable food consumption and production, this study aims to understand how consumers perceive value proposition of vegan food. Over 120,000 tweets relating veganism were extracted from Twitter, which then analysed using text analytics tool Leximancer ascertain predominant themes conversation taking place around Our results show that, light three main drivers...

Abstract Product-service systems (PSS) are one of the business models that can promote circular economy and sustainability; however, to design this kind solution, holistic approaches must be used, integrating different areas knowledge. Thus, study proposes a conceptual solution based on PSS model problem reverse logistics coffee capsules, through application Requirements Engineering method for ...