L n their respective lengths, 4 and L the length of the text, the adapted metric is expressed as follows, combining frequency (f req(t i )) of a term t i and the compactness of its underlying chain: In the second part of the algorithm, we combine information from all term repetitions to compute a lexical cohesion score at each sentence break (or, in the case of spoken conversations, speaker turn break).
we ignore all potential boundaries with a probability lower than p limit .