@inproceedings{bercovitz2009courserank,
  abstract = {Special-purpose social sites can offer valuable services to well-defined, closed, communities, e.g., in a university or in a corporation. The purpose of this demo is to show the challenges, special features and potential of a focused social system in action through CourseRank, a course evaluation and planning social system.},
  address = {New York, NY, USA},
  author = {Bercovitz, Benjamin and Kaliszan, Filip and Koutrika, Georgia and Liou, Henry and Zadeh, Zahra Mohammadi and Garcia-Molina, Hector},
  booktitle = {SIGMOD '09: Proceedings of the 35th SIGMOD International Conference on Management of Data},
  doi = {10.1145/1559845.1559994},
  interhash = {7b8dc7f8afc7c0f6335a7ca2767f6c4e},
  intrahash = {ea4b746455b0b26bdf5fcfd090b63afb},
  isbn = {978-1-60558-551-2},
  location = {Providence, Rhode Island, USA},
  pages = {1107--1110},
  publisher = {ACM},
  title = {CourseRank: a social system for course planning},
  url = {http://portal.acm.org/citation.cfm?id=1559845.1559994},
  year = 2009
}

@inproceedings{koutrika2009flexible,
  abstract = {Most recommendation methods are "hard-wired" into the system and support only fixed recommendations. The purpose of this demo is to show the expressivity of flexible recommendation workflows, how flexible recommendations can be processed over relational data, and to show flexible recommendations in action through a real system used for course planning.},
  address = {Washington, DC, USA},
  author = {Koutrika, Georgia and Bercovitz, Benjamin and Ikeda, Robert and Kaliszan, Filip and Liou, Henry and Garcia-Molina, Hector},
  booktitle = {ICDE '09: Proceedings of the 2009 IEEE International Conference on Data Engineering},
  doi = {10.1109/ICDE.2009.127},
  interhash = {f6c15a42f29b91878d66a5b8509e8cee},
  intrahash = {ce4698c62c28047b05dde13c68ef1b50},
  isbn = {978-0-7695-3545-6},
  pages = {1467--1470},
  publisher = {IEEE Computer Society},
  title = {Flexible Recommendations for Course Planning},
  url = {http://portal.acm.org/citation.cfm?id=1547343},
  year = 2009
}