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FLAIRS
2003

Subword Retrieval on Biomedical Documents

9 years 8 months ago
Subword Retrieval on Biomedical Documents
Document retrieval in languages with a rich and complex morphology – particularly in terms of derivation and (single-word) composition – suffers from serious performance degradation with the stemming-only query-term-totext-word matching paradigm. We propose an alternative approach in which morphologically complex word forms are segmented into relevant subwords (such as stems, prefixes, suffixes), and subwords constitute the basic unit for indexing and retrieval. We evaluate our approach on a biomedical document collection.
Udo Hahn, Stefan Schulz
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2003
Where FLAIRS
Authors Udo Hahn, Stefan Schulz
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