Integrate Document Ranking Information into Confidence Measure Calculation for Spoken Term Detection
Table 1: Spearman correlation for three STD Tasks.
['STD Task Language', 'STD Task ACC', 'Spearman Correlation Precision-Rank', 'Spearman Correlation Recall-Rank']
In addition, we calculated the Spearman rank correlation coefficient between the two performance measurement of term detection and the document ranking weights on the three STD tasks. All these results indicate that the document ranking information is strongly correlated with the STD performance and it is reasonable to integrate it into the calculation of confidence measures for the term detection.