Happy to have presented a Full paper accepted at the Sixteenth European Conference on Technology Enhanced Learning Technology-Enhanced Learning (EC-TEL) for a Free, Safe, and Sustainable World Online. The paper: Catching Group Criteria Semantic Information When Forming Collaborative Learning Groups link: https://link.springer.com/chapter/10.1007/978-3-030-86436-1_2 It was the first time to apply word embeddings to catch semantics information of student knowledge levels in collaborative learning. This approach could orchestrate good quality homogenous and