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Intelligent scenic spot recommendation method based on index technique in mobile environment

An indexing technology, a technology of mobile environment, applied in the directions of location-based services, nan, transmission systems, etc., to save power consumption, reduce search range, and avoid frequent communication

Active Publication Date: 2016-08-10
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing mobile terminal tour guide system cannot meet the actual needs of users, and a personalized mobile terminal intelligent scenic spot recommendation system will be more needed

Method used

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  • Intelligent scenic spot recommendation method based on index technique in mobile environment
  • Intelligent scenic spot recommendation method based on index technique in mobile environment
  • Intelligent scenic spot recommendation method based on index technique in mobile environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0095] This embodiment uses the scenic spot data of a certain lake scenic spot in city A to carry out the experiment.

[0096] For the obtained raw data, first filter out invalid data, and only keep the location information of scenic spots and the location index key of historical users and retrieve the detailed records of smart nearby scenic spots.

[0097] The mobile terminal obtains the user's current location, performs GEOHASH calculation and encoding on the latitude and longitude position (118.9584, 32.11276) to obtain the location retrieval key, where the longitude encoding is encoded as "1010100001", the latitude is encoded as "1101000010", and the merged encoding is "11011" 00110 0000 00110", converted to decimal, corresponding to 27, 7, 0 and 7, the user's location index key encoding result is "V707".

[0098] The mobile terminal obtains the cache content calculated offline by the server, performs prefix matching in the cache according to the location index key "V707",...

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Abstract

The invention discloses an intelligent scenic spot recommendation method based on an index technique in a mobile environment. The method comprises steps as follows: step 1: when a mobile terminal of a user enters a scenic region, the mobile terminal acquires the current position and a position retrieval key; step 2, off-line cache is established in a server according to history records in the server; step 3, the mobile terminal acquires off-line cache content in the server, performs prefix matching in the cache with the position retrieval key and performs distance calculation according to matching results if the matching results are searched out, a serial number set of target scenic spots is acquired and a step 5 is executed; the mobile terminal sends the current position of the user to the server if no matching result is searched out, and the step 4 is executed; step 4, the server performs distance calculation according to the current position of the user, and a serial number set of the target scenic spots is obtained; step 5, the server retrieves comprehensive information of the target scenic spots and feeds back the details of the target scenic spots to the user.

Description

technical field [0001] The invention relates to the field of tourism information services, in particular to an intelligent recommendation method for scenic spots based on index technology in a mobile environment. Background technique [0002] With the development of social economy and the improvement of people's living standards, the demand for tourism is constantly growing. According to the "2014 China Tourism Statistical Bulletin" released by the National Tourism Administration Data Center on December 21, 2015, it shows that in 2014, my country's tourism industry continued to develop rapidly. The domestic tourism market has grown rapidly, with 3.611 billion domestic tourists, an increase of 10.7% over the previous year. The inbound tourism market is growing steadily, and the outbound tourism market is growing rapidly. However, when visiting scenic spots, it is too difficult for unfamiliar tourists to understand the comprehensive information of large and small scenic spot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30H04L29/08H04W4/02H04W4/04G06Q50/10G06F1/32
CPCH04L67/12H04W4/029G06F1/3234G06F16/9535G06F16/9537G06Q50/10H04L67/55H04L67/52
Inventor 窦万春刘佳吴诗颖
Owner NANJING UNIV
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