A Grammatical Approach to the Extraction of Index Terms∗
نویسنده
چکیده
The extraction of the keywords that characterize each document in a given collection is one of the most important components of an Information Retrieval system. In this article, we propose to apply shallow parsing, implemented by means of cascades of finite-state transducers, to extract complex index terms based on an approximate grammar of Spanish. The effectiveness of the index terms extracted has been evaluated through the CLEF collection.
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