Model-based performance predictions and reconfigurations enable optimizing resource efficiency while ensuring that Quality-of-Service demands are met in today’s complex ITsystems. The Descartes Modeling Language (DML) and the Palladio Component Model (PCM) are two architectural performance modeling formalisms applied in this context. This paper compares DML to PCM concerning similarities, diffe...

Purpose – The purpose of this paper is to investigate the relationships among goal setting, employee engagement, workplace optimism, and individual performance constructs. Goal setting is hypothesized as positively impacting employee engagement, employee engagement as positively impacting workplace optimism, and workplace optimism as positively impacting individual performance. Design/methodolo...

The purpose of this study was to examine the role of moral atmosphere and perceived performance motivational climate on moral functioning of college basketball players and to determine the relationship between moral atmosphere and perceived performance motivational climate. A total of 199 athletes participated in the study. Structural equation modeling was used to examine the interrelationships...

This paper evaluates the performance of ten significance measures applied to the problem of determining an appropriate network structure, for data modelling with neurofuzzy systems. The advantages of Neurofuzzy systems are demonstrated with application to both real and synthetic data interpretation problems.

As the technology credit fund is available to support SMEs which have intangible technology assets, many organizations are involved in technology evaluation with various factors. Technology evaluation has worth when the evaluation result can be related to financial performances of the recipient of credit funds. In this study, we propose a structural equation model (SEM) to analyze the relations...

This paper presents a theoretical framework for understanding the evolutionary dynamics of strategic alliances. Using an integrated process model, we analyze the conceptual characteristics and antecedents of the stability of strategic alliances. The primary purpose of this study is to (1) conceptualize and characterize alliance stability to fill the academic gap in the literature, and (2) ident...

This study examines the relationships found in supplier involvement in the course of operational life-cycle stages, environmentally-friendly practices, and environmental performances. Using sampling data gathered from 157 managers of automotive firms, obtained via a benchmarking questionnaire, three hypotheses are tested employing a Structural Equation Modeling analysis. The findings are genera...

We analyze hedge fund performance using the stochastic discount factor (SDF) approach and imposing the arbitrage-free requirement to correctly value the derivatives and dynamic trading strategies used by hedge funds. Using SDFs of many asset-pricing models, we evaluate hedge fund portfolios based on style and characteristics. Without the arbitrage-free requirement, pricing errors are relatively...

This paper discusses the complexities involved in managing and monitoring the delivery of IT services in a multiparty outsourcing environment. The complexities identified are grouped into four categories and are tabulated. A discussion on an attempt to model a multiparty outsourcing scenario using UML is also presented and explained using an illustration. Such a model when supplemented by a per...

Tools for the analysis and modeling of complex systems must be able to support the extensibility of formalisms, reusability of models and customization of formalism compositions. From this perspective, SIMTHESys (Structured Infrastructure for Multiformalism modeling and Testing of Heterogeneous formalisms and Extensions for SYStems) is a new approach to the specification of performability orien...