A method of enabling collaboration between users of a collaborative Business Intelligence (BI) system comprising pages based on said BI system data, comprising: displaying a page comprising a view of at least one online analytical processing (OLAP) cube to one of a plurality of users of a BI system; deducing from semantics of said at least one OLAP cube a relevancy of each of at least some of said plurality of users for a collaboration session with said user; selecting the most relevant users from said plurality of users for said displayed page according to said deduced relevancy; and initiating a collaboration session with at least one of said most relevant users.