Classification and Ranking Approaches to Discriminative Language Modeling for ASR

  title={Classification and Ranking Approaches to Discriminative Language Modeling for ASR},
  author={Erinç Dikici and Murat Semerci and Murat Saraclar and Ethem Alpaydin},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
Discriminative language modeling (DLM) is a feature-based approach that is used as an error-correcting step after hypothesis generation in automatic speech recognition (ASR). We formulate this both as a classification and a ranking problem and employ the perceptron, the margin infused relaxed algorithm (MIRA) and the support vector machine (SVM). To decrease training complexity, we try count-based thresholding for feature selection and data sampling from the list of hypotheses. On a Turkish… CONTINUE READING
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