health databases contain a wide scope of clinical data to explore relationships and patterns that can lead to new medical knowledge.today, the emergence of integrated information systems and growth of information technologies have better highlighted the importance of such databases. data mining is among the technological advances toward data management whose integration with traditional methods...

Few would dispute the efficacy of multimedia technology and the world wide web in promoting declarative knowledge or the acquisition of facts. It is the argument of this paper however that, apart from assisting a learner in “knowing that”, these technologies are underestimated in their capacity to facilitate intellectual skills—procedural knowledge or “knowing how”. Via examples from children e...

Revolutionary Effects of New Information Technologies In markets with imperfect information and heterogeneity, the information technology affects the rate at which agents meet, which in turn affects the distribution of production technologies across firms. We show that in models for such markets there are typically multiple equilibria because reservation utility levels and the lowest production...