@article{nigam00text,
        title = {Text Classification from Labeled and Unlabeled Documents using {EM}},
        author = {Kamal Nigam and Andrew K. McCallum and Sebastian Thrun and Tom M. Mitchell},
        journal = {Machine Learning},
        number = {2/3},
        pages = {103--134},
        volume = 39,
        year = 2000,
        url = {citeseer.nj.nec.com/nigam99text.html},
        comment = {cte: Sehr gutes Beispiel wie man einen wissenschaftlichen Beitrag schreibt},
	biburl = {http://www.bibsonomy.org/bibtex/2cd96e296165f5e9a5abdaf166e6513e3/schmitz},
	keywords = {combining data, labeled text maximaization expectation integrating learning learning, classification, supervised and bayesian unsupervised unlabeled}
}