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Table 2 Annotation performance using out-of-vocabulary semantic concepts.

From: An Ontological Framework for Retrieving Environmental Sounds Using Semantics and Acoustic Content

  Soundwalks Freesound
  MAP MAROC MAP MAROC
In vocabulary (upper bound) 0.4333 0.7523 0.4113 0.8422
Out of vocabulary (WordNet) 0.2131 0.6322 0.1123 0.6279
Out of vocabulary (Baseline) 0.1789 0.5353 0.1092 0.5387