Navigation system with indexed term searching and method of operation thereof

A method of operation of a navigation system includes: preconstructing an inverted term index having a nested spatial index of at least one location; providing a search term and a search range for searching the inverted term index; locating the search term in the inverted term index and having the n...

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Bibliographic Details
Main Authors Lin Yueyu, Deng Kan, Qin Yanyan
Format Patent
LanguageEnglish
Published 27.09.2016
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:A method of operation of a navigation system includes: preconstructing an inverted term index having a nested spatial index of at least one location; providing a search term and a search range for searching the inverted term index; locating the search term in the inverted term index and having the nested spatial index bounded by the search range; and retrieving a location record linked to the nested spatial index and associated with the search term and the search range for displaying on a device.
Bibliography:Application Number: US20100752086