Advanced Language Technologies for Digital Libraries International Workshops on NLP4DL 2009, Viareggio, Italy, June 15, 2009 and AT4DL 2009, Trento, Italy, September 8, 2009 - Bernardi, Raffaella; Chambers, Sally; Gottfried, Björn; Segond, Frédérique; Zaihrayeu, Ilya (Springer Berlin Heidelberg : Imprint: Springer, 2011)