Umair Sadiq Mohan Kumar Andrea Passarella Marco Conti Service Composition in Opportunistic Networks: A Load and Mobility Aware Solution. 2308-2322 2015 64 IEEE Trans. Computers 8 https://doi.org/10.1109/TC.2014.2360544 http://doi.ieeecomputersociety.org/10.1109/TC.2014.2360544 db/journals/tc/tc64.html#SadiqKPC15