JHU Experiments in Monolingual Farsi Document Retrieval at CLEF 2009

CLEF (Working Notes), 2009.

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Keywords:
farsi document retrieval

Abstract:

At CLEF 2009 JHU submitted runs in the ad hoc track for the monolingual Persian evaluation. Variants of character n-gram tokenization provided a 10% relative gain over unnormalized words. A run based on skip n-grams, which allow internal skipped letters, achieved a mean average precision of 0.4938. Using traditional 5-grams resulted in a ...More

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