{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8532925","patent":{"patent_number":"US-8532925","title":"Spatial indexing method and apparatus for navigation system for indexing and retrieval of XML map data","assignee":null,"inventors":[],"filing_date":"2009-05-08T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":7,"abstract":"A method and apparatus efficiently assigns the spatial index numbers to map cells that divide an area which is a unit of administrative region into a plurality of small units. The method includes the steps of: establishing a plurality of map cells that divide an administrative region expressed by XML map data which is configured in a multiple-layered structure; determining a layer in the XML map data on which the map cells are established; selecting a type of tracing curve for sequentially indexing the plurality of map cells; assigning index numbers consecutively to the map cells with the sequence of the tracing curve; and repeating foregoing steps for all of the map cells in all of the layers of the XML map data, thereby creating a map database in the XML format with the spatial indexes for all of the map cells."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Spatial indexing method and apparatus for navigation system for indexing and retrieval of XML map data","description":"A method and apparatus efficiently assigns the spatial index numbers to map cells that divide an area which is a unit of administrative region into a plurality of small units. The method includes the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8532925","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8532925","citation_suggestion":"Patentable. \"Spatial indexing method and apparatus for navigation system for indexing and retrieval of XML map data\" (US-8532925). https://patentable.app/patents/US-8532925","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8532925","json":"https://patentable.app/api/llm-context/US-8532925","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:58:34.005Z"}