Please cite the following papers if you use any part of this dataset:

@article{DBLP:journals/pvldb/MozafariSFJM14,
  author    = {Barzan Mozafari and
               Purnamrita Sarkar and
               Michael J. Franklin and
               Michael I. Jordan and
               Samuel Madden},
  title     = {Scaling Up Crowd-Sourcing to Very Large Datasets: {A} Case for Active
               Learning},
  journal   = {{PVLDB}},
  volume    = {8},
  number    = {2},
  pages     = {125--136},
  year      = {2014},
}


@article{DBLP:journals/corr/abs-1209-3686,
  author    = {Barzan Mozafari and
               Purnamrita Sarkar and
               Michael J. Franklin and
               Michael I. Jordan and
               Samuel Madden},
  title     = {Active Learning for Crowd-Sourced Databases},
  journal   = {CoRR},
  volume    = {abs/1209.3686},
  year      = {2012},
}

For all inquiries please contact mozafari AT umich.edu

------------------
The format of each dataset is provided in the corresponding .desc file. The binary files need to be loaded with Matlab. For ease of use I have the MATLAB file that loads the datasets available, named CrowdManager.m