Merlin metadata enrichment for libraries in a london institutional network short overview
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MERLIN (Metadata Enrichment for Libraries in a London Institutional Network): short overview. Martin Moyle Digital Curation Manager UCL Library Services, UK [email protected] MERLIN Steering Group 1, 26 January 2010. Background.

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Merlin metadata enrichment for libraries in a london institutional network short overview

MERLIN (Metadata Enrichment for Libraries in a London Institutional Network): short overview

Martin MoyleDigital Curation Manager UCL Library Services, [email protected]

MERLIN Steering Group 1, 26 January 2010


Background
Background Institutional Network): short overview

  • JISC funded (Information Environment 09-11, Resource Discovery strand)

  • Partners: UCL, ULCC, University of Nottingham

  • Aims

    • use off-the-shelf text-mining tools to enrich repository functionality

    • refine this work with user feedback and roll out

  • 18 months (April 2009 – September 2010)


Objectives
Objectives Institutional Network): short overview

  • Integrate NacTEM tools in the SHERPA-LEAP consortial repository ‘LASSO’, deriving weighted keywords from source repositories.

  • Modify LASSO to expose these mined terms for discovery.

  • Work with users to ensure usefulness and user-friendliness of these modifications.

  • Experiment with thesauri: can mined terms be used to support/enhance structured navigation?

  • Roll out a MERLIN tool for plugging in to IRs.

  • Full project evaluation.

  • Dissemination.


Text mining for repositories why
Text-mining for repositories: why? Institutional Network): short overview

  • Improve discoverability of repository content

  • Cost-effective description – cheaper than subject cataloguing…

  • Uses researchers' own vocabularies

  • Supports interdisciplinarity

  • Adds selectivity and weight to full text indexing

  • May also be used as the basis for structured navigation

  • Examples: how MERLIN outputs might look…


Lasso basic search
LASSO: basic search Institutional Network): short overview


Lasso with terms mined from full texts
LASSO: with terms mined from full texts Institutional Network): short overview

Terms are weighted by frequency. Use slider to see

more/fewer terms

Select a mined term...


...new set of records associated with that term is retrieved Institutional Network): short overview


Progress next steps
Progress / next steps Institutional Network): short overview

  • Done

    • Initial text mining

    • Integration of mined dataset with LASSO data

    • LASSO customisation under way

  • Tasks between now and Easter

    • User evaluation of LASSO; iterative improvement

    • Refinements to text mining; full integration into LASSO workflow

    • Begin thesaurus work...


Thesaurus interaction example
Thesaurus interaction - example Institutional Network): short overview


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