Unsupervised Topic Segmentation

We address the task of unsupervised topic segmentation of speech data operating over raw acoustic information. In contrast to ex- isting algorithms for topic segmentation of speech, our approach does …...

We present a domain-independent unsuper- vised topic segmentation approach based on hybrid document indexing. Lexical chains have been successfully employed to evalu- ate lexical cohesion of text segments and to …...