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\newblock San Francisco: Morgan Kaufmann.

\bibitem[Ben-David \& Dichterman, 1998][Ben-David and Dichterman][1998]{BD98}
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\newblock Learning with restricted focus of attention.
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\bibitem[Blum \& Mitchell, 1998][Blum and Mitchell][1998]{cotrain}
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\newblock New York, NY: ACM Press.

\bibitem[Buntine, 1992][Buntine][1992]{buntine}
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\newblock Learning classification trees.
\newblock {\em Statistics and Computing}, {\em 2}, 63--73.

\bibitem[Caruana, 1997][Caruana][1997]{centerlines}
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\newblock {\em Multitask learning}.
\newblock Doctoral dissertation, School of Computer Science, Carnegie Mellon
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\bibitem[Cooper et~al.\/, 1997][Cooper et~al.\/][1997]{pneumonia}
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\newblock An evaluation of machine learning methods for predicting pneumonia
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\newblock {\em Artificial Intelligence in Medicine 9},  107--138.

\bibitem[Freund \& Schapire, 1995][Freund and Schapire][1995]{AdaBoost}
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\newblock A decision theoretic generalization of on-line learning and an
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\bibitem[Freund et~al.\/, 1997][Freund et~al.\/][1997]{sleeping}
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\bibitem[Goldman et~al.\/, 1997][Goldman et~al.\/][1997]{GKS97}
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\newblock Learning from examples with unspecified attribute values.
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\newblock New York, NY: ACM Press.

\bibitem[Pomerleau, 1993][Pomerleau][1993]{alvinn}
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