Natalia Konstantinova


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2013

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Proceedings of the Student Research Workshop associated with RANLP 2013
Irina Temnikova | Ivelina Nikolova | Natalia Konstantinova
Proceedings of the Student Research Workshop associated with RANLP 2013

2012

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A review corpus annotated for negation, speculation and their scope
Natalia Konstantinova | Sheila C.M. de Sousa | Noa P. Cruz | Manuel J. Maña | Maite Taboada | Ruslan Mitkov
Proceedings of the Eighth International Conference on Language Resources and Evaluation (LREC'12)

This paper presents a freely available resource for research on handling negation and speculation in review texts. The SFU Review Corpus, consisting of 400 documents of movie, book, and consumer product reviews, was annotated at the token level with negative and speculative keywords and at the sentence level with their linguistic scope. We report statistics on corpus size and the consistency of annotations. The annotated corpus will be useful in many applications, such as document mining and sentiment analysis.

2011

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Proceedings of the Second Student Research Workshop associated with RANLP 2011
Irina Temnikova | Ivelina Nikolova | Natalia Konstantinova
Proceedings of the Second Student Research Workshop associated with RANLP 2011

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Annotating Negation and Speculation: the Case of the Review Domain
Natalia Konstantinova | Sheila C. M. de Sousa
Proceedings of the Second Student Research Workshop associated with RANLP 2011

2009

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Proceedings of the Student Research Workshop
Irina Temnikova | Ivelina Nikolova | Natalia Konstantinova
Proceedings of the Student Research Workshop