Abstract: Embodiments are described in which information from multiple devices is merged through the exchange of linking information. For example, a two dimensional barcode is used associate information originating from different devices. In embodiments, information is associated with various levels of trust based on a variety of factors to quantify whether or not and to what extent collected information can be relied upon to be accurate. In embodiments, information from multiple sources is merged into a common transaction record that can be accessed through use of the linking information so the information can be efficiently retrieved even though it originated, or was captured, by different devices.

Abstract: Collection, validation, accuracy checking, and matching of information for individuals, e.g., in-scope people entering/exiting a country is described. The systems, techniques, devices, methods, and approaches described herein can be used to collect biographic, biometric, and travel information for persons who enter a country with the expectation that the person will eventually exit. The system and method described herein include structures and procedures for determining whether the individual, based on his/her information, meets a predefined criterion that is associated with predefined procedures, e.g., special precautions are to be implemented. This document also describes how information for an individual can be matched with an existing record in order to ensure accurate recordkeeping.