The last several years have witnessed the introduction of a number of resource discovery systems to the Internet. Archie, Gopher, and the WorldWide Web are common examples which have achieved widespread popularity. These systems are typically categorized as either searchers, or browsers, depending upon their approach to the information discovery problem. Both methodologies have their respective...

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Resource discovery in wide-area distributed environments is a great challenge for the large quantity and volatility of resources. To solve this problem, mechanisms effectively representing resources are very necessary. In this paper, a resource representation scheme is proposed, which embodies the principles of VEGA Grid. This scheme is designed for routing-transferring model that is implemente...

This paper analyses the e¤ect of endogenous directed technical change in a resource-rich economy, embedding a version of Acemoglu’s model of directed technical change in a three-by-three trade theory model. Technical progress depends on entrepreneurs who either produce or adopt technology, and who endogenously choose which sector to operate in. The static e¤ect of a resource discovery is de-ind...