concepts.language.ccg.composition.CCGCompositionSystem

class CCGCompositionSystem

Bases: object

The CCG composition system. It keeps track of the rules that can be used for composition.

Methods

format_summary()	Format the summary of the composition system.
make_categorial_grammar()	Make the CCG composition system that allows function application and coordination (i.e., categorial grammar).
make_default()	Make the default CCG composition system.
make_function_application()	Make the CCG composition system that only allows function application.
print_summary()	Print the summary of the composition system.
try_compose(lhs, rhs)	Try to compose two elements.

Attributes

allowed_composition_types

__init__(name, weights)

Initialize the CCG composition system.

Parameters:

• name (str) – the name of the composition system.

• weights (Dict[CCGCompositionType, float]) – the weights of the composition types, which should be a dictionary mapping from CCGCompositionType to float.

__new__(**kwargs)

format_summary()

Format the summary of the composition system.

Return type:

str

classmethod make_categorial_grammar()

Make the CCG composition system that allows function application and coordination (i.e., categorial grammar).

Return type:

CCGCompositionSystem

classmethod make_default()

Make the default CCG composition system.

Return type:

CCGCompositionSystem

classmethod make_function_application()

Make the CCG composition system that only allows function application.

Return type:

CCGCompositionSystem

print_summary()

Print the summary of the composition system.

try_compose(lhs, rhs)

Try to compose two elements. This function will try to compose the two elements with all allowed composition types, and return the result that works.

Parameters:

• lhs (CCGComposable) – the left-hand side element.

• rhs (CCGComposable) – the right-hand side element.

Returns:

The composition result.

Return type:

CCGCompositionResult

property allowed_composition_types