Our data pre-processing on the noisy Wikipedia topic pairs involved using simple regular expressions to filter out most of the irrelevant entities including: characters from other writing systems; temporal and numeric expressions; and punctuation symbols.
a DBN model is formally defined as a pair B 0 , B → where B 0 is a Bayesian network over an initial distribution over states, and B → is a two slice Temporal Bayes Net (2-TBN) (Murphy, 2002).