Abstract: The invention concerns a method of uniquely associating transaction data with a particular individual. Further, the invention relates to a computer-based messaging system for communicating data associated in accordance with this method. In one form, a method of uniquely associating transaction data with a particular individual is provided, comprising the steps of generating or obtaining transaction data for that individual, and associating the transaction data with a unique personal identification key of that individual, the key expressed in human readable form and comprising the individual's first or given name, the individual's father's first or given name, the individual's mother's first or given name, the individual's date of birth, the individual's gender, and the individual's place of birth expressed in longitude and latitude.

Abstract: The present invention relates to a message structure for electronically exchanging medical information between applications utilising disparate medical coding systems and record architectures, the message structure comprising an optional storyline keyword that sets the context for one or more subsequent statements, each of which statements comprise a genre selected from a set of genre keywords representing message categories, a subject, comprising either a natural language string of one or more words or a nested statement, and, optionally, one or more parametrized predicates comprising a context joiner selected from a set of context joiner keywords, and a parameter comprising a natural language string of one or more words or a nested statement.