2009
DOI: 10.1007/978-3-642-04447-2_58
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Analyzing the Use of Non-overlap Features for Supervised Answer Validation

Abstract: Abstract. This year we evaluated our supervised answer validation method at both, the Spanish Answer Validation Exercise (AVE) and the Spanish Question Answering Main Task. This paper describes and analyzes our evaluation results from both tracks. In resume, the F-measure of the proposed method outperformed the baseline result of the AVE 2008 task by more than 100%, and enhanced the performance of our question answering system, showing a gain in accuracy of 22% for answering factoid questions. A detailed analy… Show more

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Cited by 2 publications
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“…For instance, Iftene and Balahur (2008) compute a fitness value based on the matching between the named entities on the hypothesis and the entities of the supporting text.Based on machine learning – using a training corpus and a set of features, such as the Levenshtein distance or the size of the longest common subsequence between the hypothesis and the supporting snippet (Kozareva, Vazquez and Montoyo 2006; Tèllez-Valero et al . 2008). …”
Section: Targeting Cooperative Answersmentioning
confidence: 99%
See 1 more Smart Citation
“…For instance, Iftene and Balahur (2008) compute a fitness value based on the matching between the named entities on the hypothesis and the entities of the supporting text.Based on machine learning – using a training corpus and a set of features, such as the Levenshtein distance or the size of the longest common subsequence between the hypothesis and the supporting snippet (Kozareva, Vazquez and Montoyo 2006; Tèllez-Valero et al . 2008). …”
Section: Targeting Cooperative Answersmentioning
confidence: 99%
“…Based on machine learning – using a training corpus and a set of features, such as the Levenshtein distance or the size of the longest common subsequence between the hypothesis and the supporting snippet (Kozareva, Vazquez and Montoyo 2006; Tèllez-Valero et al . 2008).…”
Section: Targeting Cooperative Answersmentioning
confidence: 99%