Path models with and without latent variables are extensively used in e-collaboration research. Both direct and moderating relationships can be included in such path models. Moderating relationships involve three latent variables, the moderating variable and a pair of variables that are...

Wikipedia's precursor started in the year 2000 as a traditional online encyclopedia with content controlled by a small group of experts. In 2013 Wikipedia's current user-controlled incarnation was such a successful enterprise that an asteroid was named after it. The authors briefly discuss key...