Complex sentence: The origin of the information contained in the database was queried in a court action brought by rival website Pokerpages.com, and information sourced from Pokerpages.com has since been removed from the database.
Split into simpler sentences: The origin of the information contained in the database was queried in a court action brought by rival website Pokerpages.com. Information sourced from Pokerpages.com has since been removed from the database.