Challenges

• Recognising Textual Entailment (RTE) Pascal Challenge
• Answer Validation Excercise (AVE) in CLEF

Data sets

• Recognising Textual Entailment (RTE) Pascal Challenge Datasets
• Answer Validation Excercise (AVE) Datasets
• Microsoft Paraphrase Corpus

Relevant Workshops

• Workshop on Empirical Modeling of Semantic Equivalence and Entailment (in ACL 2005)