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Measured on 128 places out of a real trip to Japan, all saved through the old search. Index alone: 51.6 percent inside the top five. Index and OpenStreetMap alternating: 72.7 percent. Two cleverer orderings were tried first and both lost. A score threshold cannot separate the cases at all: at 0.75 it catches 19 of 62 misses and throws away 6 of 66 hits. Promoting results whose name matches what was typed is worse than it sounds, because "Hase Station" shares a word with "Hase-dera" while OpenStreetMap answers in the local language and returns the right temple under a name that shares nothing: that rule put seven weak index matches ahead of the correct answer, which landed at position eight. Alternating puts it at position two. So the merge does not rank. Each source keeps its own ordering and they take turns, index first. An exact business match still opens the list; a landmark Overture does not carry is second rather than eleventh.