Let M SU Set = empty set For each word w in L: If Length(w) ≤ 2 Add w to M SU Set End if End for For each word w in L: If Length(w) > 2 and no word x in M SU Set is a substring of w Add w to M SU Set End if End for Return M SU Set Table 3: Algorithm for collecting MSUs from the PKU corpus The MSU-based method gives each MSU an extra indicative label.
any sequence labeling model is appropriate for the method.