@article {84, title = {Perspectives and challenges for recurrent neural network training}, journal = {Logic Journal of the IGPL}, volume = {18}, year = {2010}, pages = {617{\textendash}619}, doi = {10.1093/jigpal/jzp042}, url = {http://dx.doi.org/10.1093/jigpal/jzp042}, author = {Marco Gori and Barbara Hammer and Pascal Hitzler and Guenther Palm} }