Points of Interest.

POI is the abbreviation of "Point of Interest", which can be translated as "Point of Interest" in Chinese.

In a geographic information system, a POI can be a house, a shop, a mailbox, a bus stop, etc.

Traditional geographic information collection methods require map surveyors to use sophisticated surveying and mapping instruments to obtain the longitude and latitude of a point of interest, and then mark it.

Precisely because the collection of POI is a very time-consuming and labor-intensive task, for a geographical information system, the number of POI represents the value of the entire system to a certain extent.

Each POI contains four aspects of information, name, category, coordinates, and classification. Comprehensive POI information is essential information to enrich navigation maps. Timely POI points of interest can remind users of detailed information about traffic branches and surrounding buildings, and can also be convenient

Find all the places you need in the navigation and choose the most convenient and smoothest road for route planning.

Extended information: Applications of POI data: 1. Help companies better capture high-value customers of competitors.

If you can get some kind of POI data of the user, then it is possible to know about what time the user arrived, which airports he arrived at, and how often he appeared at the airport; this will not only be able to more accurately judge the user's true value as an airline customer

, and can even design promotional measures that are very attractive to users, making it more likely that they will transfer more of this type of consumption.

2. Provide merchants with analysis of the overall competitive environment of the market (site selection).

POI data can first tell us which hotels in a region customers stay in, and how the peak and trough periods of accommodation are distributed throughout the year.