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Ann Clifton

2 accepted papers

2020

100,000 Podcasts: A Spoken English Document Corpus

COLING 2020main

Podcasts are a large and growing repository of spoken audio. As an audio format, podcasts are more varied in style and production type than broadcast news, contain more genres than typically studied in video data, and are more varied in style and format than previous corpora of conversations. When t…

2015

Non-Uniform Stochastic Average Gradient Method for Training Conditional Random Fields

AISTATS 2015poster

We apply stochastic average gradient (SAG) algorithms for training conditional random fields (CRFs). We describe a practical implementation that uses structure in the CRF gradient to reduce the memory requirement of this linearly-convergent stochastic gradient method, propose a non-uniform sampling…

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