@inproceedings{conf/www/SarwarKKR01,
  author = {Sarwar, Badrul M. and Karypis, George and Konstan, Joseph A. and Riedl, John},
  booktitle = {WWW},
  ee = {http://doi.acm.org/10.1145/371920.372071},
  interhash = {043d1aaba0f0b8c01d84edd517abedaf},
  intrahash = {f349b429624935212ebeed613b89794f},
  pages = {285-295},
  title = {Item-based collaborative filtering recommendation algorithms.},
  url = {http://www10.org/cdrom/papers/pdf/p519.pdf},
  year = 2001
}

@inproceedings{conf/www/SarwarKKR01,
  author = {Sarwar, Badrul M. and Karypis, George and Konstan, Joseph A. and Riedl, John},
  booktitle = {WWW},
  ee = {http://doi.acm.org/10.1145/371920.372071},
  interhash = {043d1aaba0f0b8c01d84edd517abedaf},
  intrahash = {f349b429624935212ebeed613b89794f},
  pages = {285-295},
  title = {Item-based collaborative filtering recommendation algorithms.},
  url = {http://dblp.uni-trier.de/db/conf/www/www2001.html#SarwarKKR01},
  year = 2001
}

@inproceedings{skkr02item,
  author = {Sarwar, Badrul M. and Karypis, George and Konstan, Joseph A. and Riedl, John},
  booktitle = {Proceedings of the 10th International WWW Conference},
  ee = {http://doi.acm.org/10.1145/371920.372071},
  interhash = {043d1aaba0f0b8c01d84edd517abedaf},
  intrahash = {e2a0446da3d69b4d98da6e525e1b363f},
  pages = {285-295},
  title = {Item-based collaborative filtering recommendation algorithms},
  url = {http://dblp.uni-trier.de/db/conf/www/www2001.html#SarwarKKR01},
  year = 2001
}