Abstract

Due to the overwhelming increase in the electronic resources and databases, there is a difficulty in searching and locating the exact piece of information and at this context, resource discovery tools or web-scale discovery services emerged. No person is capable to cope up with all the information / literature available in electronic sources. At this point, resource discovery tools are providing a helping hand to find the precise information at the user's point of view. This chapter deals with various concepts, definitions, needs, type of services offered and different providers of discovery tools are discussed.

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