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TempRelPro

TempRelPro identifies in a text the temporal relations holding between events and time expressions and classifies them following the TimeML specification. It identifies temporal relations of 13 different types (e.g. BEFORE, AFTER, INCLUDES, IS_INCLUDED, etc.); for example, in the sentence below we have a temporal relation of type IS_INCLUDED between the event "annunciato" (announced) and the time expression "ieri" (yesterday).
The module is based on a statistical classifier. TempRelPro is available for Italian and English with pre-trained models in the news domain.

Example


Algorithm: EventPro uses Yamcha for feature extraction and SVM as a classification algorithm.

Resources: EVENTI (Italian) and TempEval 3 (English).

Evaluation benchmark: EVENTI at Evalita 2014 and QA-TempEval 2015 (English).

References:
  • Paramita Mirza and Anne-Lyse Minard. FBK-HLT-time: A complete Italian Temporal Processing System for EVENTI-Evalita 2014. In Proceedings of the First Italian Conference on Computational Linguistics CLiC-it 2014 & the Fourth International Workshop EVALITA 2014, Pisa (Italy), 11th December 2014.
  • Paramita Mirza and Anne-Lyse Minard. HLT-FBK: a complete Temporal Processing system for QA TempEval. In Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015), Denver (Colorado, USA), June 4-5, 2015.