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ECML
2003
Springer
13 years 10 months ago
2003
Springer
Context-free grammars cannot be identified in the limit from positive examples (Gold, 1967), yet natural language grammars are more powerful than context-free grammars and humans ...
ECML
2003
Springer
13 years 10 months ago
2003
Springer
In traditional multi-instance (MI) learning, a single positive instance in a bag produces a positive class label. Hence, the learner knows how the bag’s class label depends on th...
ECML
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. This paper explores the use of initial Stochastic Context-Free Grammars (SCFG) obtained from a treebank corpus for the learning of SCFG by means of estimation algorithms....
ECML
2003
Springer
13 years 10 months ago
2003
Springer
Determining the semantic role of sentence constituents is a key task in determining sentence meanings lying behind a veneer of variant syntactic expression. We present a model of n...
ECML
2003
Springer
13 years 10 months ago
2003
Springer
We present an algorithm for learning context free grammars from positive structural examples (unlabeled parse trees). The algorithm receives a parameter in the form of a finite se...