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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) Abstract: We explore the relationship between negated text and neg- ative sentiment in the task of sentiment classification. We propose a novel adjustment factor based on negation occur- rences as a proxy for negative sentiment that can be applied to lexicon-based classifiers equipped with a negation detec- tion pre-processing step. We performed an experiment on a multi-domain customer reviews dataset obtaining accuracy improvements over a baseline, and we further improved our results using out-of-domain data to calibrate the adjustment factor. We see future work possibilities in exploring nega- tion detection refinements, and expanding the experiment to a broader spectrum of opinionated discourse, beyond that of customer reviews. Keyword: Computer Sciences; negated text; negative sentiment; sentiment classification URL: https://arrow.tudublin.ie/scschcomcon/299 https://arrow.tudublin.ie/cgi/viewcontent.cgi?article=1322&context=scschcomcon BASE Hide 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) BASE Show 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 - : Unpublished, 2011 BASE Show details 5 Sentiment Classification of Reviews Using SentiWordNet Ohana, Bruno; Tierney, Brendan In: Conference papers (2009) BASE Show details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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