These are great, although I think the real work will be in how to use these to improve the campus. Seeing the data is one thing, using it is another.
Another paper using mobile phone data to understand travel behavior by the same crew. This work is similar to mine, although mine asks different questions.
Phithakkitnukoon, Santi, et al. "Understanding tourist behavior using large-scale mobile sensing approach: A case study of mobile phone users in Japan." Pervasive and Mobile Computing 18 (2015): 18-39.