Brown, J.; (2010) MERLIN: Metadata Enrichment for Repositories in a London Institutional Network. Presented at: JISC Automatic Metadata Generation and Text Mining Projects Meeting, America Square Conference Centre, London.

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Abstract

MERLIN will use off-the-shelf text mining techniques to enrich the functionality of the SHERPA-LEAP consortial repository cross-searching service, LASSO. LASSO offers search across aggregated, normalised metadata which is collected from London-based institutional repositories using OAI-PMH harvesting. MERLIN will use the TerMine term extraction tool to derive terms from the full text digital objects held at LASSO's source repositories and, after a weighting process, enrich the LASSO database with derived keywords. The derived terms will be exposed at various points in the LASSO interface to support discovery. In a supplementary strand, MERLIN will apply thesaurus tools to construct a pilot hierarchical, browsable subject tree from the text-mined keywords. An open source, re-usable web application will be created to allow the MERLIN metadata enrichment technology to be incorporated in any repository on any platform.

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