Following prior work (Chambers and Jurafsky, 2008;Chambers and Jurafsky, 2009;Manshadi et al., 2008;McIntyre and Lapata, 2009; McIntyre and Lapata, 2010), we focus on gathering statistics about the n-grams of events that occur in the collected event chains.
we look at strategies for collecting bigram statistics, the most common type of statistics gathered in prior work.