Improve Search Experience

By Ashwin Venugopal -

 





Improve Search Experience By Ordering Results By Distance From a Given Reference Point

Users frequently wish to look for products connected to a specific area. For instance, they may want to locate the coffee shop closest to their location. AI Search has geospatial features that you can use in queries to compare locations on the surface of the Earth.

What are Geo-Spatial Functions?

The hotel's location is a crucial factor to take into account when making a reservation. For instance, you will want a hotel close to the Eiffel Tower if you're planning a trip to view it. To ask AI Search to return results based on their location information, you can use two functions in your query:

geo.distance - This function returns the distance in a straight line across the Earth's surface from the point you specify to the location of the search result.

geo.intersects - This function returns true if the location of a search result is inside a polygon that you specify.

Make sure the location for results is included in your index before using these functions. Latitude and longitude should be stored in location fields of the datatype Edm.GeographyPoint.

Use geo.distance Function

The function geo.distance returns the distance in kilometers between two points given as inputs. Let's say you're trying to choose a hotel close to the Eiffel Tower. The query above can be changed by adding a new filter. The query returns all the luxury hotels in the index within five kilometers of the Eiffel Tower.

Use geo.intersects Function

Let's say you have made up your mind to visit the Eiffel Tower in Paris's seventh district. You want to be as specific as you can while looking for a hotel. The geo.intersects function can be used to create such a query.

The geo.intersects function uses three or more points to compare a position with a polygon on the surface of the Earth. You can make a form that closely resembles an area, like an arrondissement, by utilizing a polygon. geo.intersects returns a boolean value, so it's not possible to use it in an orderby clause.

Conclusion

We have successfully learnt about improving search experience.

 

 



























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