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author = "Ian H. Witten and Eibe Frank",
publisher = "Morgan Kaufmann",
title = "Data Mining: Practical machine learning tools and techniques",
edition = "2nd",
year = "2005",
address = "San Francisco",
}

@article{Dagan99,
author = "Ido Dagan, Lillian Lee and Fernando C. N. Pereira",
title = "Similarity-Based Models of Word Cooccurence Probabilities",
year = "1999",
journal = "Machine Learning",
volume = "34(1-3)",
pages = "43-69"
}

@article{Dagan93,
author = "Ido Dagan, Shaul Marcus and Shaul Markovitch",
year = "1993",
title = "Contextual Word Similarity and Estimation from Sparse Data",
journal = "Proceedings of the 31st annual meeting on Association for Computational Linguistics",
pages = "164-171"
}

@article{CompLing, 
author = "K.W. Church and P. Hanks",
year = "1990",
title = "Word association norms, mutual informations, and lexicography",
journal = "Computational Linguistics",
volume = "16(1)",
pages = "22-29"
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@misc{NCS,
author = "Margarita Alegria, James S. Jackson, Ronald C. Kessler and David Takeuch",
year = "2001 - 2003",
title = "Collaborative Psychiatric Epidemiology Surveys (CPES)"
}

@misc{NLPChallenge,
author = "O. Uzuner, Chair, P. Szolovits and I. Kohane", 
month = "November 10",
year = "2006",
title = "i2b2 Workshop on Natural Language Challenges in Clinical Data",
address = "Washington, DC"
}

@misc{CHIS2001,
title = "{California Health Interview Survey. CHIS 2001 Adult Public Use File, Release 4 [computer readable file]}",
address = "Los Angeles, CA: UCLA Center for Health Policy Research",
moth = "July",
year = "2008",
key = "California Health Interview Survey. CHIS 2001",
}

@misc{CHIS2003,
title = "{California Health Interview Survey. CHIS 2003 Adult Public Use File, Release 2 [computer file]}",
address = "Los Angeles, CA: UCLA Center for Health Policy Research",
month = "October",
year = "2005",
key = "California Health Interview Survey. CHIS 2003",
}

@misc{CHIS2005,
title = "{California Health Interview Survey. CHIS 2005 Adult Survey}",
address = "UCLA Center for Health Policy Research. Los Angeles, CA",
month = "February",
year = "2008",
key = "California Health Interview Survey. CHIS 2005",
}

@misc{medline,
title = "Medline",
note = "\url{http://medline.cos.com}",
year = "2009",
key = "Medline",
}

@misc{healthboards,
title = "Health Boards",
note = "\url{http://www.healthboards.com}",
year = "2009",
key = "Health Boards",
}

@misc{psychforums,
title = "Pysch Forums",
note = "\url{http://www.psychforums.com}",
year = "2009",
key = "Psych Forums",
}