measure(ment),4-5-P03-1051,bq | improve the <term> segmentation </term> <term> | accuracy | </term> , we use an <term> unsupervised algorithm | #4710 To improve the segmentation accuracy , we use an unsupervised algorithm for automatically acquiring new stems from a 155 million word unsegmented corpus, and re-estimate the model parameters with the expanded vocabulary and training corpus. |