5. The method of claim 1 , further comprising: extracting metadata associated with the entity and relationship events and providing the extracted metadata to a storage dataset in response to the identifying the entity and relationship vents that alter the entity-relationship graph.
8. The method of claim 5 , wherein when one of the entity and relationship events is a scheduled event, processing the scheduled event by a graph statistics collector to compute graph statistics from metadata associated with the scheduled event of the extracted metadata.