Method and device for establishing keyword bank of vehicle navigation device

Abstract

The invention provides a method and a device for establishing a keyword bank of a vehicle navigation device. The method comprises the following steps: obtaining a keyword; on the basis of the obtained keyword, manufacturing the attribute information of the keyword, wherein the attribute information comprises a name, Pinyin, a keyword category, a keyword priority and an administrative division number, and the keyword category comprises a word size, a department category, a road name, an administrative region name and a commonly used word; and on the basis of the attribute information of the keyword, establishing the keyword bank. Therefore, accuracy and speed during keyword retrieval can be guaranteed, and a better use feeling is brought for the user of the vehicle navigation device.

Description

technical field [0001] The present invention relates to the technical field of vehicle navigation equipment, in particular to a method and device for establishing a keyword database of vehicle navigation equipment Background technique [0002] Vehicle navigator users inquire about facility names and related information, mainly by inputting the name pinyin on the navigator. But most of the time, users prefer to quickly and accurately retrieve the corresponding facilities by inputting the keyword pinyin of the name. [0003] In order to achieve the purpose of searching based on the pinyin of keywords, it is necessary to establish a keyword library in advance. [0004] The existing keyword database is usually established based on existing vocabulary resources such as dictionaries. [0005] However, because existing resources such as dictionaries contain various types of vocabulary with huge data, such as vocabulary of nature, geography, science and technology, and these words...

AI Technical Summary

Problems solved by technology

[0005] However, because existing resources such as dictionaries contain various types of vocabulary with huge data, such as vocabulary of nature, geography, science and technology, and these words may not be suitable for the keywords required by vehicle navigation maps. The addition of secondary vocabulary to the keyword database will not only affect the accuracy of keyword search, but also affect the speed of keyword search due to the existence of a large number of redundant words.

Images