| 摘要 |
A computer implemented method, apparatus, and computer usable program code for managing data in an airport mapping database. A notice of an update is received to data relating to a set of elements at an airport, wherein the notice includes a attribute value change for the set of elements, an effective period of time for the attribute value change, and a geometric feature associated with the set of elements in the airport mapping database that is to be updated. The set of elements is located in the airport mapping database using the geometric feature. The set of elements is updated using the attribute value change, wherein the attribute value change is reflected in results returned in response to queries made during the effective period of time.
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