Yi Chen PhD candidate Name Y. Chen MSc Telephone +31 71 527 8920 E-mail y.chen@liacs.leidenuniv.nl PhD candidate Science Leiden Inst of Advanced Computer Science Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Contact +31 71 527 8920 y.chen@liacs.leidenuniv.nl Publications No relevant ancillary activities