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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 7 of 7 1 Sentiment Classification Using Negation as a Proxy for Negative Sentiment Ohana, Bruno; Tierney, Brendan; Delany, Sarah Jane In: Conference papers (2016) BASE Show details 2 A Case-Based Approach to Cross Domain Sentiment Classification Ohana, Bruno; Delany, Sarah Jane; Tierney, Brendan In: Conference papers (2012) BASE Show details 3 Domain Independent Sentiment Classification with Many Lexicons Ohana, Bruno; Tierney, Brendan; Delany, Sarah Jane In: Conference papers (2011) Abstract: Sentiment lexicons are language resources widely used in opinion mining and important tools in unsupervised sentiment classification. We present a comparative study of sentiment classification of reviews on six different domains using sentiment lexicons from different sources. Our results highlight the tendency of a lexicon’s performance to be imbalanced towards one class, and indicate lexicon accuracy varies with the target domain. We propose an approach that combines information from different lexicons to make classification decisions and achieve more robust results that consistently improve our baseline across all domains tested. These are further refined by a domain independent score adjustment that mitigates the effect of the recall imbalance seen on some of the results Keyword: Multiple Classifier Systems; Natural Language Processing; Opinion Mining; Sentiment Classification; Sentiment Lexicon URL: https://arrow.tudublin.ie/cgi/viewcontent.cgi?article=1119&context=scschcomcon https://arrow.tudublin.ie/scschcomcon/116 BASE Hide details 4 Domain Independent Sentiment Classification with Many Lexicons ... Ohana, Bruno; Tierney, Brendan; Delany, Sarah Jane. - : Unpublished, 2011 BASE Show details 5 Sentiment Classification of Reviews Using SentiWordNet Ohana, Bruno; Tierney, Brendan In: Conference papers (2009) BASE Show details 6 Sentiment Classification of Reviews Using SentiWordNet Ohana, Bruno; Tierney, Brendan In: 9th. IT & T Conference (2009) BASE Show details 7 Bi-directional Ontology Versioning BOV Zhao, Siyang; Tierney, Brendan In: Conference papers (2005) BASE Show details

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