It is a well known fact that a wealth of knowledge relies in the employees which makes them one of the most or even the most valuable asset of organisations. But often this knowledge is not documented and organised in knowledge systems as required by the organisation, but informally shared. Of course this is against the organisation's aim for keeping knowledge reusable as well as easily and permanently available independent of individual knowledge workers. In this contribution we suggest a solution which captures the collective knowledge to the benefit of the organisation and the knowledge worker. By automatically identifying activity patterns and aggregating them to tasks as well as by assigning resources to these tasks, our proposed solution fulfils the organisation's need for documentation and structuring of knowledge work. On the other hand it fulfils the the knowledge worker's need for relevant, currently needed knowledge, by automatically mining the entire corporat...