Online platforms have the potential to address the issue of world language teacher attrition by building professional learning communities. However, autonomous engagement is not guaranteed by the mere existence of said tools. In this article, we report findings from Catalyst user data analysis. Catalyst is an online professional development social…

The emergence of social networks and social media has resulted in exponential increase in the amount of data that link diverse types of richly structured digital objects e.g., individuals, articles, images, videos, music, etc. Such data are naturally represented as heterogeneous networks with multiple types of objects e.g., actors, video,…