A privacy preserving data-mining protocol

Abstract From the Canadian patent

Privacy Preserving Data-Mining Protocol between a secure "aggregator" and , "sources" having respective access to privacy-sensitive micro-data the , protocol including: the "aggregator" accepting a user query and transmitting a parameter list for that query to the "sources" (often including privacyproblematic identifiable specifics to be analyzed); the "sources" then forming files of privacy-sensitive data-items according to the parameter list and privacy filtering out details particular to less than a predetermined quantity of micro-data-specific data-items; and the "aggregator" merging the privacyfiltered files into a data-warehouse to formulate a privacy-safe response to the user - …