INDEXING SYSTEM OF SPATIAL INFORMATION FOR COMBINED SOI OBJECT AND CONTENT

摘要

One aspect of the invention provides an indexing system of space of interest (SOI) defining at least a two-dimensional object. The system includes: a location data extractor configured calculate an index point for the space of interest; a map tile number converter configured to map the index point to a tile that lies within a plurality of tiles; and an indexer configured to index the space of interest based on the determined tile.