The previously described implicit grammar G I defines a posterior distribution P (d I |s) over a sentence s via a large, indexed PCFG.
of Indexed Symbols Word-level Trees  1,900,056  Word-level Graph  903,056  Character-level Trees  12,280,848  Character-level Graph  1,109,399   Table 2: Number of indexed symbols for word-level and character-level parsing and their graph versions (for allfragments grammar with parent annotation and one level of markovization).