{
  "$type": "site.standard.document",
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  "description": "In a route search method executed by a computer system, the route search method includes: a preliminary search procedure of generating label data on the basis of link cost data and node cost data of a road network; and a route decision procedure of deciding a route between points on the basis of…",
  "path": "/patents/1423294",
  "publishedAt": "2026-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3453",
    "Hitachi, Ltd."
  ],
  "textContent": "In a route search method executed by a computer system, the route search method includes: a preliminary search procedure of generating label data on the basis of link cost data and node cost data of a road network; and a route decision procedure of deciding a route between points on the basis of the label data, the preliminary search procedure includes a procedure of generating information regarding a hub, and a procedure of storing a cost at which a route connecting each node and the hub is connected to the hub, the cost being included in the label data, and the route decision procedure includes a procedure of deciding the route between the points with reference to a cost on the hub, a cost of a route connected to the hub, and a cost at which the route is connected to the hub.",
  "title": "Route Search Method and Route Search Device"
}