초록 ▼

A system and method of providing incremental updates for a geographical data set for use in navigation systems. The system and method include organizing updates of geographical data set into a series of transactions. Each of the transactions includes a transaction identifier that uniquely identifies

A system and method of providing incremental updates for a geographical data set for use in navigation systems. The system and method include organizing updates of geographical data set into a series of transactions. Each of the transactions includes a transaction identifier that uniquely identifies the transaction, and n steps to be applied to the geographical data set to complete the transaction. All the steps of the transaction are required to be successfully applied in order for the transaction to be completed, otherwise, the entire transaction is not applied.

대표청구항 ▼

[ We claim:] [1.]1. A method for updating a navigation dataset comprising:acquiring an update transaction, wherein said update transaction comprises one or more steps to be applied to a plurality of objects in said navigation dataset to complete said update transaction, wherein each of said one or m

[ We claim:] [1.]1. A method for updating a navigation dataset comprising:acquiring an update transaction, wherein said update transaction comprises one or more steps to be applied to a plurality of objects in said navigation dataset to complete said update transaction, wherein each of said one or more steps includes an object reference that identifies an object to which the step applies; andapplying said update transaction to said navigation dataset to alter said navigation dataset from one valid state to another valid state.