@book{22135, author = {Kokinov, Boicho. and Richardson, Daniel C. and SpringerLink (Online service)}, title = {Modeling and Using Context}, publisher = {Springer-Verlag Berlin Heidelberg,}, year = {2007.}, address = {Berlin, Heidelberg :}, url = {http://dx.doi.org/10.1007/978-3-540-74255-5} }