As expected, higher values of β yield lower precisions but higher recalls.
f 1 increases until  Table 2: Number of: "false anaphor" (fA, a non-anaphoric mention marked as anaphoric), "false new" (fN, an anaphoric mention marked as non-anaphoric), and "wrong link" (WL, an anaphoric mention is linked to a wrong antecedent) errors on the development set.