@inbook {197, title = {NooSphere: An Activity-Centric Infrastructure for Distributed Interaction}, booktitle = {MUM {\textquoteright}13 Proceedings of 12th International Conference on Mobile and Ubiquitous Multimedia}, year = {2013}, publisher = {Association for Computing Machinery}, organization = {Association for Computing Machinery}, isbn = {978-1-4503-2648-3/13/12}, doi = {http://dx.doi.org/10.1145/2541831.2541856}, author = {Steven Houben and S{\~A}{\c\ }ren Nielsen and Morten Esbensen and Bardram, {Jakob Eyvind}} } @inbook {HoubenSituatedModel2012, title = {A Situated Model and Architecture for Distributed Activity-Based Computing}, booktitle = {MODIQUITUS 12}, series = {MODIQUITOUS {\textquoteright}12}, year = {2012}, pages = {9-13}, author = {Steven Houben and Morten Esbensen and Jakob Bardram} }