Though tasks such as NER and EDL have reached sufficient maturity such that commercial products are feasible, scores 3 of a top-performing system for the full knowledge base population task in TAC KBP 2016 seem disappointing (Precision 25.4; Recall 30.2; F 1 25.2).
75% of the KB triples produced are imperfect and 70% of the relations justified in text are not found.