A B S T R A C TThe paper gives an overview of open access (OA) institutional digital repositories (IDRs) in agricultural fields. The main objective is to provide free and unrestricted access to the public funded research outputs in global-scale in the domain of agricultural by developing a single window search interface as a useful tool for agricultural researchers in developing countries with special reference to India keeping in view the exorbitant cost of research output. It reports the design and development of a federated search interface, viz. AgriCat that facilitates resource sharing through extracting metadata from different OAI (Open Archives Initiative) compatible agricultural IDRs registered in OpenDOAR (Directory of Open Access Repositories) database.

Purpose This paper aims to provide an overview of the emergence of resource discovery systems and services along with their advantages and best practices including current landscapes. It reports the development of a resource discovery system by using the “VuFind” software and describes other technological tools, software, standards and protocols required for the development of the prototype. Design/methodology/approach This paper describes the process of integrating VuFind (resource discovery tool) with Koha (integrated library system), DSpace (repository software) and Apache Tika (as full-text extractor for full-text searching), etc. Findings The proposed model performs like other existing commercial and open source Web-scale resource discovery systems and is capable of harvesting resources from different subscribed or external sources replacing a library’s OPAC. Originality/value This discovery system is an important add-on to designing a one-stop access in place of the existing retrieval silos in libraries. This system is capable of indexing a variety of content within and beyond library collections. This work may help library professionals and administrators in designing their discovery system, as well as vendors to improve their products, to provide different library-friendly services.

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