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Authors: Miguel Ballesteros ; Virginia Francisco ; Alberto Díaz ; Jesús Herrera and Pablo Gervás

Affiliation: Universidad Complutense de Madrid, Spain

Keyword(s): Speculation, Dependency parsing, Information extraction, Biomedical texts.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; BioInformatics & Pattern Discovery ; Information Extraction ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Mining Text and Semi-Structured Data ; Pre-Processing and Post-Processing for Data Mining ; Software Development ; Symbolic Systems

Abstract: In the last few years speculation detection systems for biomedical texts have been developed successfully, most of them using machine–learning approaches. In this paper we present a system that finds the scope of speculation in English sentences, by means of dependency syntactic analysis. It infers which words are affected by speculation by browsing dependency syntactic structures. Thus, firstly an algorithm detects hedge cuesa. Secondly the scope of these hedge cues is computed. We tested the system with the Bioscope corpus, annotated with speculation and obtaining competitive results compared with the state of the art systems.

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Paper citation in several formats:
Ballesteros, M.; Francisco, V.; Díaz, A.; Herrera, J. and Gervás, P. (2011). INFERRING THE SCOPE OF SPECULATION USING DEPENDENCY ANALYSIS. In Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2011) - KDIR; ISBN 978-989-8425-79-9; ISSN 2184-3228, SciTePress, pages 248-253. DOI: 10.5220/0003661502560261

@conference{kdir11,
author={Miguel Ballesteros. and Virginia Francisco. and Alberto Díaz. and Jesús Herrera. and Pablo Gervás.},
title={INFERRING THE SCOPE OF SPECULATION USING DEPENDENCY ANALYSIS},
booktitle={Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2011) - KDIR},
year={2011},
pages={248-253},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003661502560261},
isbn={978-989-8425-79-9},
issn={2184-3228},
}

TY - CONF

JO - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2011) - KDIR
TI - INFERRING THE SCOPE OF SPECULATION USING DEPENDENCY ANALYSIS
SN - 978-989-8425-79-9
IS - 2184-3228
AU - Ballesteros, M.
AU - Francisco, V.
AU - Díaz, A.
AU - Herrera, J.
AU - Gervás, P.
PY - 2011
SP - 248
EP - 253
DO - 10.5220/0003661502560261
PB - SciTePress

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