To have and have not: variations on secret sharing to model user presence

Quentin Staórd-Fraser, Graeme Jenkinson, Frank Stajano, Max Spencer, Chris Warrington, Jeunese Payne. To have and have not: variations on secret sharing to model user presence. In A. J. Brush, Adrian Friday, Julie A. Kientz, James Scott, Junehwa Song, editors, The 2014 ACM Conference on Ubiquitous Computing, UbiComp '14 Adjunct, Seattle, WA, USA - September 13 - 17, 2014. pages 1313-1320, ACM, 2014. [doi]

@inproceedings{Staord-FraserJSSWP14,
  title = {To have and have not: variations on secret sharing to model user presence},
  author = {Quentin Staórd-Fraser and Graeme Jenkinson and Frank Stajano and Max Spencer and Chris Warrington and Jeunese Payne},
  year = {2014},
  doi = {10.1145/2638728.2641705},
  url = {http://doi.acm.org/10.1145/2638728.2641705},
  researchr = {https://researchr.org/publication/Staord-FraserJSSWP14},
  cites = {0},
  citedby = {0},
  pages = {1313-1320},
  booktitle = {The 2014 ACM Conference on Ubiquitous Computing, UbiComp '14 Adjunct, Seattle, WA, USA - September 13 - 17, 2014},
  editor = {A. J. Brush and Adrian Friday and Julie A. Kientz and James Scott and Junehwa Song},
  publisher = {ACM},
  isbn = {978-1-4503-3047-3},
}