ut spatial environments, be it real or abstract, human or machine. Research issues range from human spatial cognition to mobile robot navigation. Numerous results have been obtaine...
Christian Freksa, Holger Schultheis, Kerstin Schil...
Graph-theoretic abstractions are extensively used to analyze massive data sets. Temporal data streams from socioeconomic interactions, social networking web sites, communication t...
Persistent digital media extend content beyond immediate ephemeral interactions and conversations. Systems such as email, instant messaging, digital kiosks, social networking site...
Currently negotiation covers a huge and unstructured domain of negotiation- and coordination protocols and associated strategies. Researchers and practitioners like system enginee...
Traditional activities change in surprising ways when computermediated communication becomes a component of the activity system. In this descriptive study, we leverage two perspec...