US Patent 8005900 Retrieving information for processing a received electronic message

System and techniques are described for retrieving information relating to a received electronic message. Upon receipt of an incoming electronic message in a computer system, meta information stored in the computer system is accessed. The meta information identifies a first pre-selected class of a plurality of classes of stored fact information. A portion of the stored fact information that is a member of the first pre-selected class is retrieved. The retrieved portion of the stored fact information is stored in an electronic file that is associated with the incoming electronic message such that a rule for processing the incoming electronic message can be applied to the retrieved portion.