The paper provides an overview of open access repositories movement in India and highlights on the features and functionalities of some popular open source text retrieval engines viz. Lucene, Solr and Zebra used by the most popular digital library software namely DSpace, NewGenLib and Koha. Paper describes the search features supported by Lucene search engine used by DSpace (selected for BURA software framework) repository software in details and shows how it functions. Also describes advanced search facilities supported by the model with different search syntax.
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