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Abstract

Fine-grained indexing of the biomedical literature: MeSH subheading attachment for a MEDLINE indexing tool.


Névéol A, Shooshan SE, Mork JG, Aronson AR

AMIA Annu Symp Proc. 2007 Oct 11:553-7.

Abstract:

OBJECTIVE This paper reports on the latest results of an Indexing Initiative effort addressing the automatic attachment of subheadings to MeSH main headings recommended by the NLM's Medical Text Indexer. MATERIAL AND METHODS Several linguistic and statistical approaches are used to retrieve and attach the subheadings. Continuing collaboration with NLM indexers also provided insight on how automatic methods can better enhance indexing practice. RESULTS The methods were evaluated on corpus of 50,000 MEDLINE citations. For main heading/subheading pair recommendations, the best precision is obtained with a post-processing rule method (58%) while the best recall is obtained by pooling all methods (64%). For stand-alone subheading recommendations, the best performance is obtained with the PubMed Related Citations algorithm. CONCLUSION Significant progress has been made in terms of subheading coverage. After further evaluation, some of this work may be integrated in the MEDLINE indexing workflow.


Névéol A, Shooshan SE, Mork JG, Aronson AR Fine-grained indexing of the biomedical literature: MeSH subheading attachment for a MEDLINE indexing tool. 
AMIA Annu Symp Proc. 2007 Oct 11:553-7.

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