The WWW offers an increasing number of services for searching and acquiring scientific literature. New kinds of information providers are available online, traditional libraries follow and offer their services via the WWW. However, this development will not come without a price: Literature supply is changing into an open and competitive information market bringing new challenges to the user. To...

This paper uses a simplified version of classical information theory to improve understanding of the dynamic potential of innovation systems in developing countries with a special focus on issues of agricultural poverty. Using examples drawn from emergent knowledge markets in industrialised countries, the paper suggests that such an analytical approach focuses attention directly on the types of...

hospital libraries are libraries for the use of patients and employees that are managed by hospitals or interested organizations. these libraries provide knowledge- based information services in the field of medical sciences and health. this paper note is based on library and descriptive method and reviewing the previous literature about hospital libraries was written in persian. so evaluation ...

Business transactions focus on the delivery of goods and services from one business partner to another. IT-based services support these transaction activities between suppliers and customers. Usually the transaction process consists of three phases-the information phase, the negotiation phase and the settlement or fulfillment phase. Within the negotiation phase one vital and challenging task is...

The paper describes a collection of initiatives delivering support via mobile phones to small enterprises, small farms, and the self-employed. Using a review of 26 examples of such services currently operational in Africa, the analysis identifies five functions of mobile livelihood services: Mediated Agricultural Extension, Market Information, Virtual Marketplaces, Financial Services, and Direc...

In this paper, we analyze the adoption and diffusion of digital cable for content and information services with a focus on the United States. The cable industry, traditionally a major segment of the video content services industry, is confronted with infrastructure alternatives. Satellite services gain increasing market and profit share on the content platform. New technologies such as Digital ...

The efficient market hypothesis suggests that stock markets are “informationally efficient”. That is, any new information relevant to the market is spontaneously reflected in the stock prices. A consequence of this hypothesis is that past prices cannot have any predictive power for future prices once the current prices have been used as an explanatory variable. In other words the change in futu...

introduction: one of the software packages designed for libraries and documenting centres is unesco cds/isis mini-micro software package. most libraries in iran have a copy of it. this research was aimed to investigate the degree of its application in central libraries of medical sciences universities in 2004. methods and materials: it is a descriptive study in which a questionnaire was used to...