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We show that using phrase-level prosodic features centered around the phrases causing uncertainty, in addition to utterance-level prosodic features, improves our model's level of certainty classification. In addition, our models can be used to predict which phrase a person is uncertain about. These results rely on a novel method for eliciting utterances of varying levels of certainty that allows us to compare the utility of contextually-based feature sets. We elicit level of certainty ratings from both the speakers themselves and a panel of listeners, finding that there is often a mismatch between speakers' internal states and their perceived states, and highlighting the importance of this distinction."},"dsDescriptionDate":{"typeName":"dsDescriptionDate","multiple":false,"typeClass":"primitive","value":"2010-12-01"}}]},{"typeName":"keyword","multiple":true,"typeClass":"compound","value":[{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Prosody, Uncertainty"}}]},{"typeName":"topicClassification","multiple":true,"typeClass":"compound","value":[{"topicClassValue":{"typeName":"topicClassValue","multiple":false,"typeClass":"primitive","value":"Spoken Language Processing"}}]},{"typeName":"publication","multiple":true,"typeClass":"compound","value":[{"publicationCitation":{"typeName":"publicationCitation","multiple":false,"typeClass":"primitive","value":"Recognizing Uncertainty in Speech. Heather Pon-Barry and Stuart Shieber. EURASIP Journal on Advances in Signal Processing. Forthcoming in February 2011."}}]},{"typeName":"productionDate","multiple":false,"typeClass":"primitive","value":"2011"},{"typeName":"distributionDate","multiple":false,"typeClass":"primitive","value":"2010-12-01"},{"typeName":"dateOfDeposit","multiple":false,"typeClass":"primitive","value":"2010-12-01"},{"typeName":"dateOfCollection","multiple":true,"typeClass":"compound","value":[{"dateOfCollectionStart":{"typeName":"dateOfCollectionStart","multiple":false,"typeClass":"primitive","value":"2008"},"dateOfCollectionEnd":{"typeName":"dateOfCollectionEnd","multiple":false,"typeClass":"primitive","value":"2008"}}]}]},"geospatial":{"displayName":"Geospatial Metadata","name":"geospatial","fields":[{"typeName":"geographicCoverage","multiple":true,"typeClass":"compound","value":[{"country":{"typeName":"country","multiple":false,"typeClass":"controlledVocabulary","value":"United States"}}]}]}},"files":[{"description":"Prosodic feature values and certainty ratings for each utterance in the corpus.","label":"data-all.tab","restricted":false,"version":1,"datasetVersionId":59365,"dataFile":{"id":2137902,"persistentId":"doi:10.7910/DVN/NSJCF7/8PGDSU","pidURL":"https://doi.org/10.7910/DVN/NSJCF7/8PGDSU","filename":"data-all.tab","contentType":"text/tab-separated-values","friendlyType":"Tab-Delimited","filesize":424743,"description":"Prosodic feature values and certainty ratings for each utterance in the corpus.","storageIdentifier":"s3://dvn-cloud:62297","originalFileFormat":"application/x-spss-sav","originalFormatLabel":"SPSS Binary","originalFileSize":250348,"originalFileName":"data-all.sav","UNF":"UNF:5:1TSn6HXx0oEY995gQ0sWOA==","rootDataFileId":-1,"md5":"5ada59d109332846361983969ff0648c","checksum":{"type":"MD5","value":"5ada59d109332846361983969ff0648c"},"tabularData":true,"creationDate":"2010-12-01","publicationDate":"2010-11-30","lastUpdateTime":"2010-12-01T15:08:56Z","fileAccessRequest":false}}]}}}