Anaphora Processing and Applications 8th Discourse Anaphora and Anaphor Resolution Colloquium, DAARC 2011, Faro, Portugal, October 6-7, 2011. Revised Selected Papers - Hendrickx, Iris; Lalitha Devi, Sobha; Branco, António; Mitkov, Ruslan (Springer Berlin Heidelberg : Imprint: Springer, 2011)