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This paper proposed a new approach used for tracking multi-pith within one mixture speech signal. In this method, we employed a novel continuous correlation feature for calculating pitch model. This feature not only represents the harmonicity but also includes the information of spectral continuity, and hence improving the accuracy of the multi-pitch estimate. A DBNs and HMM hybrid model was further...
Processing bug reports plays an important role for software maintenance. Recently, the issue of detecting duplicate bug reports has been noticed due to their considerable appearances. In the past, many NLP-based detection schemes have been proposed. However, the cluster-level correlation relationships are not extensively considered in the past studies. In this paper, we present an improved detection...
Textual Entailment (TE) is the task of recognizing entailment, paraphrase, and contradiction relations between a given text pair. The goal of textual entailment research is to develop a core inference component that can be applied to various domains such as QA. We observed several rank correlations on the data and system results in the NTCIR-10 RITE-2 task, trying to find out correlations between...
Textual Entailment (TE) is the task of recognizing entailment, paraphrase, and contradiction relations between a given text pair. The goal of textual entailment research is to develop a core inference component that can be applied to various domains, such as IR or NLP. Since the domain that a TE system applies to may be different from its source domain, it is crucial to develop proper datasets for...
Naive Bayesian classification method is applied in many fields, but in the real world, its properties do not satisfy the assumption of independence. Harry Zhang and Shengli Sheng extended the naive Bayes into weighted naive Bayes[1]. This paper presents a Weighted Naive Bayes Classification Algorithm Based on PSO (particle swarm optimization, which was first proposed by Kenney and Eberhart[2]). This...
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