Patent ID: 8788198

Claim:
A data management system, comprising: a storage medium that: for an individual spot, stores information data in a corresponding information data frame, the information data including specific information about the particular spot that is subject to update; for the same individual spot, stores pertinent data in a pertinent data frame that is stored separate from the information data frame, the pertinent data including: a name of the spot; offset data that specifies the information data for the spot that is stored in the information data frame; and retrieval key information usable to identify the pertinent data based on a search for the spot using input retrieval keys; and stores category data in a category frame, the category data usable to identify the pertinent data for the spot based on the retrieval key information in the pertinent data; and a CPU that: receives an updating file containing updating information for the spot, the updating information corresponding to only the information data in the information data frame, the received updating file not containing updating pertinent data; for the individual spot: first compares the information data to the updating information; based on the first comparison, determines which portion of the information data is subject to update; extracts the information data subject to update from the information data frame; updates the extracted information data with the updating information data for the spot contained in the received updating file; identifies the pertinent data for the spot stored in the pertinent data frame by using a retrieval key contained in the information data subject to update from the pertinent data frame; second compares the identified pertinent data for the spot to the updating information; based on the second comparison, determines which portion of the pertinent data is subject to update; extracts the pertinent data subject to update from the pertinent data frame; and updates the extracted pertinent data with corresponding parts of the updating information corresponding to only the information data contained in the updating file.