The Maude system incorporates reeective capabilities that enable quite sophisticated strategies to be expressed very conveniently. Maude's strategy languages have been used to control the execution of large and small rewriting systems, in several areas of application. Strategies have been used to encode winning strategies for games, and can also be used for more serious purposes, such as theore...

In this paper, I analyze re-pricing decisions for mutual fund management services. I derive measures of performance and price sensitivity and show that investors do not consider expense ratios simply as a negative component of expected returns: while performance sensitivity monotonically increases with past performance, price-sensitivity does not. Investors that buy top pastperformers seems to ...

We present two strategies to balance the load in a system with multiple virtual machines (VMs) through automated live migration. When the push strategy is used, overloaded hosts try to migrate workload to less loaded nodes. On the other hand, when the pull strategy is employed, the light-loaded hosts take the initiative to offload overloaded nodes. The performance of the proposed strategies was...

In this paper we introduce a general class of rate-based push and pull load balancing strategies, assuming there is no central dispatcher and nodes rely on probe messages for communication. Under a pull strategy lightly loaded nodes send random probes in order to discover heavily loaded nodes, if such a node is found one task is transferred. Under a push strategy the heavily loaded nodes attemp...

This paper describes using a decision corridor approach to improve the exercise of strategic judgment under conditions of uncertainty. The method is a composite of concepts and tools principally borrowed from three analytical families futures, transition management and strategic management While the approach as used does not challenge current business concepts or radically contribute to their r...

Agent-oriented conceptual modeling(AoCM) approaches in Requirements Engineering (RE) have received considerable attention recently. Semi-formal modeling frameworks such as i* assist analysts in requirements elicitation and reasoning of early-phase RE. AgentSpeak(L) is a widely accepted agent programming language. The Strategic Rationale (SR) model of the i* framework naturally lends itself to A...

This chapter discusses the history and evolution of Information Engineering, with emphasis on the business-driven IE variant. It describes the methods used at each phase in the systems development life cycle: strategic business planning; strategic, tactical and operational data modelling ; process modelling; systems design; and systems implementation. It describes the application and use of IE ...