I installed openfire on CentOs and it uses external database for authentification and user list. I managed groups based on a user table and a friend listing so that each user is also a group that ...

I know that this question has been asked before, but only a partial response has been given by mschonaker here. On my website, user can add people to their roster, then the buddy has to accept and ...

We are embarking on some R&D for a staff rostering system, and I know that there are some suggested algorithms such as the memetic algorithm etc., but I cannot find any additional information o...