Text chunking based on a generalization of winnow
The Journal of Machine Learning Research
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COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 1
Introduction to the special issue on temporal information processing
ACM Transactions on Asian Language Information Processing (TALIP) - Special Issue on Temporal Information Processing
A framework for resolution of time in natural language
ACM Transactions on Asian Language Information Processing (TALIP) - Special Issue on Temporal Information Processing
An ontology of time for the semantic web
ACM Transactions on Asian Language Information Processing (TALIP) - Special Issue on Temporal Information Processing
Named entity recognition through classifier combination
CONLL '03 Proceedings of the seventh conference on Natural language learning at HLT-NAACL 2003 - Volume 4
A robust risk minimization based named entity recognition system
CONLL '03 Proceedings of the seventh conference on Natural language learning at HLT-NAACL 2003 - Volume 4
Exploiting unannotated corpora for tagging and chunking
ACLdemo '04 Proceedings of the ACL 2004 on Interactive poster and demonstration sessions
Automating temporal annotation with TARSQI
ACLdemo '05 Proceedings of the ACL 2005 on Interactive poster and demonstration sessions
From Semantic Roles to Temporal Information Representation
MICAI '09 Proceedings of the 8th Mexican International Conference on Artificial Intelligence
TimeML events recognition and classification: learning CRF models with semantic roles
COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics
Temporal expression identification based on semantic roles
NLDB'09 Proceedings of the 14th international conference on Applications of Natural Language to Information Systems
Event annotation schemes and event recognition in spanish texts
CICLing'12 Proceedings of the 13th international conference on Computational Linguistics and Intelligent Text Processing - Volume Part II
Information Processing and Management: an International Journal
ECIR'13 Proceedings of the 35th European conference on Advances in Information Retrieval
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TimeML is an expressive language for temporal information, but its rich representational properties raise the bar for traditional information extraction methods when applied to the task of text-to-TimeML analysis. We analyse the extent to which timebank, the reference corpus for timeml, supports development of timeml-compliant analytics. The first release of the corpus exhibits challenging characteristics: small size and some noise. Nonetheless, a particular design of a time annotator trained on timebank is able to exploit the data in an implementation which deploys a hybrid analytical strategy of mixing aggressive finite-state processing over linguistic annotations with a state-of-the-art machine learning technique capable of leveraging large amounts of unannotated data. We present our design, in light of encouraging performance results; we also interpret these results in relation to a close analysis of timebank's annotation 'profile'. We conclude that even the first release of the corpus is invaluable; we further argue for more infrastructure work needed to create a larger and more robust reference corpus.1