Package ch.uzh.ifi.attempto.chartparser

This package contains a chart parser, concretely an Earley parser, which processes grammars in Codeco notation.

See:
Description

Interface Summary

DynamicLexicon

This interface represents a dynamic lexicon that can be used by the chart parser.

Class Summary

Annotation	This class represents a grammar annotation object.
BackrefCategory	This class stands for backward refernces.
Category	This class represents a grammatical category.
ChartParser	This is a chart parser (concretely an Earley parser) that implements the predictive parser interface.
CPAbstractOption	This class represents an abstract option for the chart parser.
CPConcreteOption	This class represents a concrete option for the chart parser.
CPNextTokenOptions	This class represents a set of options that describe how a partial text can be continued according to a given grammar, and contains specific code for its use in the chart parser.
FeatureMap	This class represents a set of features consisting of name/value pairs.
Grammar	This class represents a grammar that is needed to run the chart parser.
GrammarRule	This class represents a grammar rule.
LexicalRule	This class represents a lexical rule.
Nonterminal	This class stands for a nonterminal category.
ParseTree	This class represents the parse tree of a successfully parsed text.
ParseTreeNode	This class represents a node of the parse tree.
Preterminal	This class stands for a pre-terminal category.
StringRef	This class represents a reference to a string object that can unify with other string objects.
Terminal	This class stands for a terminal category.

Exception Summary

UnificationFailedException

This exception is thrown if one attempts to unify two objects that cannot unify.

Package ch.uzh.ifi.attempto.chartparser Description

This package contains a chart parser, concretely an Earley parser, which processes grammars in Codeco notation. See the package ch.uzh.ifi.attempto.codeco. This package implements algorithms introduced in the thesis "Controlled English for Knowledge Representation".

Author:

Tobias Kuhn