A computing system, comprising: one or more processors; and one or more non-transitory computer-readable media that collectively store: a vehicle map model configured to provide map data for a geographic area in association with a vehicle map service, the vehicle map model having an entity schema comprising a first address space configured to represent a plurality of entities associated with the vehicle map model; and an uncertainty model configured to represent a plurality of uncertainties associated with the plurality of entities, the uncertainty model having an uncertainty schema comprising a second address space that is separate from the first address space; wherein at least one of the plurality of uncertainties in the second address space is configured to point to one or more of the plurality of entities in the first address space; and wherein the one or more non-transitory computer-readable media further collectively store instructions that, when executed by the one or more processors, cause the one or more processors to perform operations, the operations comprising: generating map data comprising information associated with the geographic area, wherein generating the map data comprises generating, based at least in part on the vehicle map model, a first entity of the plurality of the entities, wherein the first entity is defined in the first address space according to the entity schema of the vehicle map model; and generating, based at least in part on the uncertainty model, one or more uncertainty relations with respect to the first entity, wherein the one or more uncertainty relations are defined in the second address space according to the uncertainty schema of the uncertainty model. one or more processors; and one or more non-transitory computer-readable media that collectively store: a vehicle map model configured to provide map data for a geographic area in association with a vehicle map service, the vehicle map model having an entity schema comprising a first address space configured to represent a plurality of entities associated with the vehicle map model; and an uncertainty model configured to represent a plurality of uncertainties associated with the plurality of entities, the uncertainty model having an uncertainty schema comprising a second address space that is separate from the first address space; a vehicle map model configured to provide map data for a geographic area in association with a vehicle map service, the vehicle map model having an entity schema comprising a first address space configured to represent a plurality of entities associated with the vehicle map model; and an uncertainty model configured to represent a plurality of uncertainties associated with the plurality of entities, the uncertainty model having an uncertainty schema comprising a second address space that is separate from the first address space; wherein at least one of the plurality of uncertainties in the second address space is configured to point to one or more of the plurality of entities in the first address space; and wherein the one or more non-transitory computer-readable media further collectively store instructions that, when executed by the one or more processors, cause the one or more processors to perform operations, the operations comprising: generating map data comprising information associated with the geographic area, wherein generating the map data comprises generating, based at least in part on the vehicle map model, a first entity of the plurality of the entities, wherein the first entity is defined in the first address space according to the entity schema of the vehicle map model; and generating, based at least in part on the uncertainty model, one or more uncertainty relations with respect to the first entity, wherein the one or more uncertainty relations are defined in the second address space according to the uncertainty schema of the uncertainty model. generating map data comprising information associated with the geographic area, wherein generating the map data comprises generating, based at least in part on the vehicle map model, a first entity of the plurality of the entities, wherein the first entity is defined in the first address space according to the entity schema of the vehicle map model; and generating, based at least in part on the uncertainty model, one or more uncertainty relations with respect to the first entity, wherein the one or more uncertainty relations are defined in the second address space according to the uncertainty schema of the uncertainty model.