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The relationship between acoustic stress and information content of words is investigated. On one side, the average acoustic stress is measured for each word throughout each utterance. On the other side an Information Retrieval (IR) index, based on word frequency throughout the particular spoken sentence and throughout the collection of analysed spoken sentences, is calculated. The scatter plots of the two measures (average acoustic stress on the Ý-axis and IR index on the Ü-axis) show higherdoi:10.1109/spire.2000.878202 dblp:conf/spire/SilipoC00 fatcat:7cturl5etnbjpajxeojfp5diki