{
  "$type": "site.standard.document",
  "description": "A map data query method, comprising: acquiring the current location of a vehicle; requesting map data matching the current location from a cloud database; locally caching the requested map data; on the basis of road features in the map data, locally constructing a spatial index of the map data…",
  "path": "/patents/1414864",
  "publishedAt": "2026-03-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/30",
    "TENCENT TECH SHENZHEN CO LTD [CN]"
  ],
  "textContent": "A map data query method, comprising: acquiring the current location of a vehicle; requesting map data matching the current location from a cloud database; locally caching the requested map data; on the basis of road features in the map data, locally constructing a spatial index of the map data; and, when acquiring a query request sent by the application layer, by means of the spatial index, locally querying the map data targeted by the query request.",
  "title": "MAP DATA QUERY METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM"
}