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Evaluation of French and English MeSH indexing systems with a parallel corpus.

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Névéol A, Mork JG, Aronson AR, Darmoni SJ
AMIA Annu Symp Proc. 2005:565-9.
Abstract: 

OBJECTIVE

This paper presents the evaluation of two MeSH indexing systems for French and English on a parallel corpus.

MATERIAL AND METHODS

We describe two automatic MeSH in-dexing systems - MTI for English, and MAIF for French. The French version of the evaluation resources has been manually indexed with MeSH keyword/qualifier pairs. This professional indexing is used as our gold standard in the evaluation of both systems on keyword retrieval.

RESULTS

The English system (MTI) obtains significantly better precision and recall (78% precision and 21% recall at rank 1, vs. 37%. precision and 6% recall for MAIF ). Moreover, the performance of both systems can be optimised by the break-age function used by the French system (MAIF), which selects an adaptive number of descriptors for each resource indexed.

CONCLUSION

MTI achieves better performance. However, both systems have features that can benefit each other.

Névéol A, Mork JG, Aronson AR, Darmoni SJ. Evaluation of French and English MeSH indexing systems with a parallel corpus. AMIA Annu Symp Proc. 2005:565-9.