*

Counter

+

EventMention RelationMention Counter Table

+=

BVFDataset BVFRankingDataset BVFRegDataset CounterDataset CounterRegDataset Dataset RVFDataset RVFKRankingDataset RVFRankingDataset RVFRegDataset RankingDataset RegDataset Counter

-

EventMention RelationMention Counter

--

EventMention RelationMention

-=

Counter

/

Counter

_children

NonTerminal

_parent

Tree