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The novel approach introduced here identifies the focus of negation and thus eliminates erroneous interpretations. Furthermore, negation is incorporated into a framework for composing semantic relations, proposed previously, yielding a richer semantic representation of text, including hidden inferences. Annotations of negation focus were performed over PropBank, and learning features were identified. The experimental results show that the models introduced here obtain a weighted f-measure of 0.641 for predicting the focus of negation and 78 percent accuracy for incorporating negation into composition of semantic relations.<\/jats:p>","DOI":"10.1017\/s1351324913000041","type":"journal-article","created":{"date-parts":[[2013,2,26]],"date-time":"2013-02-26T16:16:49Z","timestamp":1361895409000},"page":"501-535","source":"Crossref","is-referenced-by-count":7,"title":["Retrieving implicit positive meaning from negated statements"],"prefix":"10.1017","volume":"20","author":[{"given":"EDUARDO","family":"BLANCO","sequence":"first","affiliation":[]},{"given":"DAN","family":"MOLDOVAN","sequence":"additional","affiliation":[]}],"member":"56","published-online":{"date-parts":[[2013,2,26]]},"reference":[{"key":"S1351324913000041_ref21","doi-asserted-by":"crossref","DOI":"10.1093\/oso\/9780198238744.001.0001","volume-title":"Negation and Polarity \u2013 Syntactic and Semantic Perspectives (Oxford Linguistics)","author":"Horn","year":"2000"},{"key":"S1351324913000041_ref2","first-page":"45\u201354","volume-title":"Proceedings of the 9th International Conference on Computational Semantics (IWCS 2011)","author":"Blanco","year":"2011"},{"key":"S1351324913000041_ref44","first-page":"1398","volume-title":"Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing","author":"\u00d6zg\u00fcr","year":"2009"},{"key":"S1351324913000041_ref56","doi-asserted-by":"publisher","DOI":"10.3115\/1572306.1572314"},{"key":"S1351324913000041_ref61","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-818X.2007.00027.x"},{"key":"S1351324913000041_ref60","first-page":"550","volume-title":"Proceedings of ACL-08: HLT","author":"Zapirain","year":"2008"},{"key":"S1351324913000041_ref54","first-page":"1","volume-title":"Proceedings of the 2nd Linguistic Annotation Workshop (The LAW II), LREC 2008","author":"Saur\u00ed","year":"2008"},{"key":"S1351324913000041_ref48","unstructured":"Rooth M. 1985. 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