SmartMatch uses AI and Machine Learning technologies to offer you the most relevant perspective matches. SmartMatch understands you better over time, from the places you've been to, to your liking habits, and suggests you a more personalized feed.
On your Home Feed, you will see a description on some profile cards which are offered by SmartMatch. These profiles tend to be more relevant to you according to SmartMatch.
If you do not want to see profiles offered by SmartMatch, you can turn off SmartMatch from the menu Profile > Settings > SmartMatch Settings > Turn off SmartMatch.