This paper describes a tool for the automatic\ud extension and trimming of a multilingual\ud WordNet database for cross-lingual retrieval\ud and multilingual ontology building in\ud intranets and domain-specific document\ud collections. Hierarchies, built from\ud automatically extracted terms and combined\ud with the WordNet relations, are trimmed\ud with a disambiguation method based on the\ud document salience of the words in the\ud glosses. The disambiguation is tested in a\ud cross-lingual retrieval task, showing\ud considerable improvement (7%-11%). The\ud condensed hierarchies can be used as\ud browse-interfaces to the documents\ud complementary to retrieval
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