Haller, HeikoSchroeder, Ulrik2017-11-222017-11-222010978-3832525781https://dl.gi.de/handle/20.500.12116/7339Personal knowledge management (PKM) is the discipline of helping knowledge workers organize their thoughts, ideas and notes. This paper distinguishes PKM from personal information management (PIM) and motivates why PKM is needed from a cognitive psychology perspective. It concludes with identifying the following roles/requirements for PKM tools: helping recall as an aide-m´emoire, interlinking content and representing its structure, aiding clustering and abstraction and finally doing all this with as little cognitive overhead as possibleenText/Conference Paper