This is a fork that I used to develop a collaborative filter within SPDZ.
All details can be found in my thesis:
http://dbis.rwth-aachen.de/cms/theses/hesis-PETs4DS-PPCF-SPDZ/at_download/Download
Original SPDZ Repository: https://github.com/bristolcrypto/SPDZ-2
Please note that SPDZ has been replaced by the novel framework SCALE-MAMBA
See also: https://homes.esat.kuleuven.be/~nsmart/SCALE/