SEMINARS

27/04/2016 - Hermann Ney - Human Language Technology and Machine Learning

Tutorial: Human Language Technology and Machine Learning

Date: Wednesday April 27th from 12:00 to 13:00

Place: UPC Campus Nord Building D3. Multimedia Room (entrance by Plaza Telecos)

Abstract: The last 40 years have seen a dramatic progress in machine learning for recognizing speech signals and for translating spoken and written language. This talks will present a unifying view of the underlying statistical methods including the recent developments in deep learning and artificial neural networks. In particular, the talk will address the remarkable fact that, for these tasks and similar tasks like handwriting recognition, the statistical approach makes use of the same four principles: 1) Bayes decision rule for minimum error rate; 2) probabilistic models like hidden Markov models and artificial neural networks; 3) training criteria and algorithms for estimating the free model parameters from large amounts of data; 4) the generation or search process that generates the recognition or translation result. Most of these methods had originally been designed for speech recognition. However, it has turned out that, with suitable modifications, the same concepts carry over to language translation and other tasks in natural language processing.

 


 

Short bio: Hermann Ney is a full professor of computer science at RWTH Aachen University, Germany. His main research interests lie in the area of statistical classification, machine learning and human language technology and specific applications to speech recognition, machine translation and handwriting recognition. In particular, he has worked on dynamic programming and discriminative training for speech recognition, on language modelling and on phrase-based approaches to machine translation. His work has resulted in more than 700 conference and journal papers (h-index 82, estimated using Google scholar). He is a fellow of both IEEE and ISCA (Int. Speech Communication Association). In 2005, he was the recipient of the Technical Achievement Award of the IEEE Signal Processing Society. In 2010, he was awarded a senior DIGITEO chair at LIMIS/CNRS in Paris, France. In 2013, he received the award of honour of the International Association for Machine Translation. In 2016, he was awarded an ERC advanced grant.

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