Correction: Unsupervised acquisition of idiomatic units of symbolic natural language: An n-gram frequency-based approach for the chunking of news articles and tweets

The image for Fig 5 incorrectly shows the left line-plot and the middle line-plot as same. Please see the correct Fig 5 here.

Fig 5. Accuracy, precision, recall.

The F_{β = 1} score, precision, and recall as a function of the corpus length. In this graph, the WSJ corpus length has also been reduced to the same dimension as the Twitter Corpus.