They call it Artificial Intelligence, but it is a HOAX, a FRAUD.
Quite similar to
New compatibility indicators by eHarmony are .... only for fun, for entertainment purposes, with no scientific basis at all!
Personality Based Recommender Systems are the next generation of recommender systems because they perform far better than Behavioural ones (past actions and pattern of personal preferences)
That is the only way to improve recommender systems, to include the personality traits of their users. They need to calculate personality similarity between users but there are different formulas to calculate similarity.
The Online Dating Industry is selling elixirs, tonics, snake oil liniments and other patent medicine and performing like the Pharmaceutical and Cosmetic Industry before the USA Food and Drug Administration was created where any player can make any claim without any credentials.
I live in a South American country and I am really astonished to see how online daters in "1st World" countries are really victims of human experimentation. No actual online dating site is "scientifically proven" because no one can prove its matching algorithm can match prospective partners who will have more stable and satisfying relationships -and very low divorce rates- than couples matched by chance, astrological destiny, personal preferences, searching on one's own, or other technique as the control group in a peer reviewed Scientific Paper for the majority (over 90%) of its members.
COMPATIBILITY is STRICT PERSONALITY SIMILARITY and not "meet other people with similar interests".
Please read: The 8 tips to innovate in the Online Dating Industry!
Very easy to copycat eHarmony, but very difficult to innovate: a 100 times better algorithm than eHarmony.