13. The system of claim 12 , wherein the instructions further include instructions that, when executed by the at least one processor, cause the system to: mark the first configuration item for manual reconciliation when a statistical rule for the class of the first configuration item does not exist.
12. A configuration management database system, comprising: at least one processor; a configuration management database; and memory storing instructions that, when executed by the at least one processor, cause the system to: match a plurality of configuration items provided to the configuration management database system from a plurality of source datasets with configuration items contained in the configuration management database using identification rules, responsive to failure to match a first configuration item in a source dataset, apply a statistical rule to match the first configuration item with a second configuration item in the configuration management database, the statistical rule having been generated by a previous manual identification of a third configuration item having a same class as the first configuration item, and match the first configuration item with the second configuration item when a threshold value associated with the statistical rule meets a predetermined acceptance value.