@inproceedings{Ben-DavidU12, title = {On the Hardness of Domain Adaptation and the Utility of Unlabeled Target Samples}, author = {Ben{-}David, S. and Urner, R.}, booktitle = {Algorithmic Learning Theory - 23rd International Conference}, volume = {7568}, pages = {139--153}, series = {Lecture Notes in Computer Science}, editors = {Bshouty, NH. and Stoltz, G and Vayatis, N and Zeugmann, T}, publisher = {Springer Berlin Heidelberg}, year = {2012}, crossref = {DBLP:conf/alt/2012}, doi = {10.1007/978-3-642-34106-9_14}, url = {http://dx.doi.org/10.1007/978-3-642-34106-9_14} }