This paper studies the stability of the set containment problem. Given two non-empty sets in the Euclidean space which are the solution sets of two systems of (possibly infinite) inequalities, the Farkas type results allow to decide whether one of…

The amount of IT devices and services incorporated in the industrial environment has led to the need to design mechanisms that will ensure its correct operation and minimise stoppage times. This paper proposes a system based on service-oriented architectures that…

2008

Los flujos multifásicos son, en general, difíciles de modelar. En concreto, los lechos fluidizados burbujeantes son incluso más complejos debido a la presencia de burbujas (aparte de las partículas y de la corriente principal del gas) que aparecen cuando las…

2008

Metacognitive knowledge is a critical piece of the information literacy puzzle. In a world of exploding information and communications possibilities, the difficulty for users of information systems and services may not lie in finding information but in filtering and integrating…

Data envelopment analysis (DEA) literature has proposed alternative models for performance assessment in the presence of undesirable outputs, such as pollutant emissions, where increased outputs imply reduced performance. However, the case where global equilibrium of outputs should be imposed has…

Purpose – Leadership insight describes the importance of and approach to reflection for leaders, using traditional journal writing, leadership wisdom statements, and art work. Design/methodology/approach – The article introduces the multiple ways in which the Leadership Insight journal supports leaders’…

Hurricanes are important disturbances shaping tropical forest structure. In the last 35 years the frequency and intensity of these events have changed, and it is predicted that intense hurricanes will become even more frequent with continued ocean surface warming. In…

This paper aims to calculate Argentinean consumers' willingness to pay (WTP) for organic fresh chicken in the domestic market, by applying the Contingent Valuation approach and with a view to providing some useful insights for promoting organic chicken production and…