INDEXING SYSTEM OF SPATIAL INFORMATION FOR COMBINED SOI OBJECT AND CONTENT
First Claim
Patent Images
1. An indexing system of space of interest (SOI) defining at least a two-dimensional object, the system comprising:
- 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.
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Abstract
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.
31 Citations
16 Claims
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1. An indexing system of space of interest (SOI) defining at least a two-dimensional object, the system comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An indexing system of space of interest (SOI) object, the system comprising:
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a location data extractor configured to identify an SOI object; a map tile number converter configured to perform a spatial operation between the SOI object and a map tile number, and to perform mapping of the SOI object onto a corresponding map tile number; and an LBS indexer configured to store a plurality of SOI objects mapped onto the corresponding map tile numbers in the form of an inverted file database. - View Dependent Claims (8, 9)
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10. A method for indexing a space of interest (SOI) defining at least a two-dimensional structure, the method comprising:
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calculating an index point for the space of interest; determining which tile the index point lies within amongst of a plurality of tiles; and indexing the space of interest based on the determined tile. - View Dependent Claims (11, 12, 13)
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14. A computer program product for causing a computer to perform a method for indexing a space of interest (SOI) defining at least a two-dimensional structure, the computer program product comprising computer-usable medium having control logic stored therein that, when executed by a processor, is operable to:
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calculate an index point for the space of interest; determine which tile the index point lies within amongst of a plurality of tiles; and index the space of interest based on the determined tile.
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15. A method of indexing a space of interest (SOI) object, the method comprising:
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identifying an SOI object; performing a spatial operation between the SOI object and a map tile number; performing mapping of the SOI object onto a corresponding map tile number; and storing a plurality of SOI objects mapped onto the corresponding map tile numbers in the form of an inverted file database.
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16. A computer program product for causing a computer to perform a method of indexing a space of interest (SOI) object, the computer program product comprising computer-usable medium having control logic stored therein that, when executed by a processor, is operable to:
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identify an SOI object; perform a spatial operation between the SOI object and a map tile number; perform mapping of the SOI object onto a corresponding map tile number; and store a plurality of SOI objects mapped onto the corresponding map tile numbers in the form of an inverted file database.
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Specification