10 search results - page 2 / 2 » Unsupervised Topic Adaptation for Lecture Speech Retrieval |
ACL
2006
13 years 6 months ago
2006
We present a method for unsupervised topic modelling which adapts methods used in document classification (Blei et al., 2003; Griffiths and Steyvers, 2004) to unsegmented multi-pa...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
The paper addresses language model adaptation for automatic lecture transcription by fully exploiting presentation slide information used in the lecture. As the text in the presen...
NAACL
2010
13 years 2 months ago
2010
In this paper we propose a novel general framework for unsupervised model adaptation. Our method is based on entropy which has been used previously as a regularizer in semi-superv...
ACL
2007
13 years 6 months ago
2007
Language model (LM) adaptation is important for both speech and language processing. It is often achieved by combining a generic LM with a topic-specific model that is more releva...
CORR
2004
Springer
13 years 4 months ago
2004
Springer
We integrate automatic speech recognition (ASR) and question answering (QA) to realize a speech-driven QA system, and evaluate its performance. We adapt an Ngram language model to...