Making people matches using Supervised Machine Learning algorithms

The research questions: 1. Which of the researched machine learning approaches or baseline methods is best for creating recommendations on the Paiq dataset considering accuracy? 1a. Which of the researched machine learning approaches or baseline methods is best for creating predictions on the higher rating range, considering accuracy? 2. Which of the researched machine learning approaches is best for creating recommendations on the Paiq dataset considering computational and memory costs?