22. The non-transitory computer-readable medium of claim 19 , wherein the global knowledge representation associated with the aggregated one or more annotated messages is a global knowledge graph representation, and wherein updating the semantic annotation comprises updating the respective semantic annotation in the global knowledge graph representation to correct the annotation error.
22. The non-transitory computer-readable medium of claim 19 , wherein the global knowledge representation associated with the aggregated one or more annotated messages is a global knowledge graph representation, and wherein updating the semantic annotation comprises updating the respective semantic annotation in the global knowledge graph representation to correct the annotation error. 24. The non-transitory computer-readable medium of claim 22 , wherein updating the semantic annotation comprises overriding values derived from the global knowledge graph representation.