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Using external ranking tools

Using external ranking tools. May 8, 2012 Patrick Glauner patrick.oliver.glauner@cern.ch. Current Status. Available ranking methods: Word similarity Citation count Current word similarity ranking implementation: Meta-data only Written in Python

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Using external ranking tools

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  1. Using external ranking tools May 8, 2012 Patrick Glauner patrick.oliver.glauner@cern.ch

  2. Current Status • Available ranking methods: • Word similarity • Citation count • Current word similarity ranking implementation: • Meta-data only • Written in Python • Maintenance and furtherdevelopmentconsume development resources that could be spent on digital library features • Scalability, designed for ~2 million records

  3. Goal • A generic bridge between Invenio and external information retrieval systems • Invenio shall dispatch word similarity ranking tasks to the external system and retrieve its results Resultset Bridge … Rankedresultset

  4. Evaluation and • Written in Java and Lucene-based • HTTP access • Written in C++ • Direct access to local database in program code

  5. Progress andOutreach • integration is currently being implemented • Will be ready end of June including scalability measurements • Future priorities will depend on thecommunityfeedback • Possiblefuturefeatures: • Xapian adapter • Furtherrankingmethods • Externalsearch • …

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