Building a large annotated corpus of English: the penn treebank
Computational Linguistics - Special issue on using large corpora: II
A description language for syntactically annotated corpora
COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 2
The Penn Treebank: annotating predicate argument structure
HLT '94 Proceedings of the workshop on Human Language Technology
A multilingual approach to annotating and extracting temporal information
TASIP '01 Proceedings of the workshop on Temporal and spatial information processing - Volume 13
Towards a framework for evaluating syntactic parsers
FinTAL'06 Proceedings of the 5th international conference on Advances in Natural Language Processing
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We discuss several treebank conceptions in the literature and show that their requirements may be incompatible, describing then the options taken in the construction of a Portuguese treebank, in what concerns human vs. automatic intervention. Use cases are then listed in connection with a Web search tool (Águia), whose philosophy and implementation is presented.