Space and Time as a Primary Classification Criterion for Information Retrieval in Distributed Social Networking - Georg Groh; Florian Straub; Andreas Donaubauer; Benjamin Koster (CoRR, 2011)

Spatio-temporal small worlds for decentralized information retrieval in social networking. - Georg Groh; Florian Straub; Benjamin Koster (SIGSPATIAL/GIS, 2012)

Mining Twitter for an Explanatory Model of Social Influence. - Jan Hauffa; Benjamin Koster; Florian Hartl; Valeria Köllhofer; Georg Groh (SocInf@IJCAI, 2016)