Pasquale Foggia Gennaro Percannella Carlo Sansone Mario Vento The Impact of Reliability Evaluation on a Semi-supervised Learning Approach. 249-258 2009 ICIAP http://dx.doi.org/10.1007/978-3-642-04146-4_28 conf/iciap/2009 db/conf/iciap/iciap2009.html#FoggiaPSV09