Collaboration application includes a set of shared documents shared with users with different authorization rights. A request to provide relevant shared documents from the set of shared documents is received. Document ranks corresponding to the relevant shared documents are determined. The document ranks are determined based on weighted document factors related to the set of shared documents. A ranked list of the relevant shared documents is provided according to the determined document ranks. User rank for users in relation to a document from the relevant shared documents is determined. The user ranks are determined based on user factors and weights of the user factors. The user factors are related to authorization rights of the users to the document, sharing characteristics of the document and the users, and measurements over interactions of the users with documents from the set of shared documents that are shared with the users.