semantics::Event_view< T, Traits > Class Template Reference

Template class to represent different "views" of syntactic events. More...

#include <Event_view.h>

Public Types
typedef Event_view< T, Traits >	Self
typedef T	Event
typedef Traits	Event_traits
typedef Marginal_cell< Self, Traits::context_levels >	M_cell
typedef M_cell::Key_type	Key_type
typedef Key_type::Data_type	Data_type
typedef M_cell::Map	Map

Public Member Functions
	Event_view (const bool learn=true)
	Event_view (typename Data_type::iterator first, typename Data_type::iterator last, bool learn=true)
	Constructs an event from two container iterators. More...
	Event_view (const Self &other)
	Copy constructor. More...
virtual	~Event_view ()
	Destructor. More...
Self &	operator= (const Self &source)
	Assignment operator. More...
std::vector< int >	get_numerators () const
	get counts of event at various smoothing levels More...
std::vector< int >	get_denominators () const
	get counts of context at various smoothing levels More...
std::vector< int >	get_diversities () const
	get counts of how many different events occur at this context More...
double	smoothed_probability (const bool &collins=false) const
	get smoothed conditional probability via Collins' method More...
double	predictive_probability () const
	get predictive prob according to HCRP model More...
void	display_conditioning_expression (std::ostream &os) const
	show output and context variables More...
void	unlearn ()
	remove counts from database (treat as unobserved) More...
void	learn ()
	add counts to database (treat as observed) More...
void	resample_table_assignment ()
	resample the CRP table assignment for this event More...

Static Public Member Functions
static const double &	prior_prob (const size_t &val, const size_t &type)
	unconditional prior probability of a particular outcome More...
static const double &	diversity_weight ()
	hard-coded diversity-weight parameter for this event type More...

Static Public Attributes
static Map &	map
static const size_t &	smoothing_levels = Traits::context_levels
static bool	VERBOSE = false

Detailed Description

template<class T, class Traits = View_traits<T>>
class semantics::Event_view< T, Traits >

Template class to represent different "views" of syntactic events.

Member Typedef Documentation

template<class T, class Traits = View_traits<T>>

typedef Key_type::Data_type semantics::Event_view< T, Traits >::Data_type

template<class T, class Traits = View_traits<T>>

typedef T semantics::Event_view< T, Traits >::Event

template<class T, class Traits = View_traits<T>>

typedef Traits semantics::Event_view< T, Traits >::Event_traits

template<class T, class Traits = View_traits<T>>

typedef M_cell::Key_type semantics::Event_view< T, Traits >::Key_type

template<class T, class Traits = View_traits<T>>

typedef Marginal_cell<Self, Traits::context_levels> semantics::Event_view< T, Traits >::M_cell

template<class T, class Traits = View_traits<T>>

typedef M_cell::Map semantics::Event_view< T, Traits >::Map

template<class T, class Traits = View_traits<T>>

typedef Event_view<T, Traits> semantics::Event_view< T, Traits >::Self

Constructor & Destructor Documentation

template<class T, class Traits = View_traits<T>>

semantics::Event_view< T, Traits >::Event_view ( const bool  learn = true )

inline

template<class T , class Traits >

semantics::Event_view< T, Traits >::Event_view	(	typename Data_type::iterator	first,
		typename Data_type::iterator	last,
		bool	learn = true
	)

Constructs an event from two container iterators.

Implementation of member functions.

template<class T, class Traits = View_traits<T>>

semantics::Event_view< T, Traits >::Event_view ( const Self &  other )

inline

Copy constructor.

template<class T, class Traits = View_traits<T>>

virtual semantics::Event_view< T, Traits >::~Event_view ( )

inlinevirtual

Destructor.

Member Function Documentation

template<class T , class Traits >

void semantics::Event_view< T, Traits >::display_conditioning_expression

(

std::ostream &

os

)

const

show output and context variables

template<class T, class Traits = View_traits<T>>

static const double& semantics::Event_view< T, Traits >::diversity_weight ( )

inlinestatic

hard-coded diversity-weight parameter for this event type

Returns

the value of the 'u' diversity parameter in Collins (2003)

template<class T , class Traits >

std::vector< int > semantics::Event_view< T, Traits >::get_denominators

(

)

const

get counts of context at various smoothing levels

template<class T , class Traits >

std::vector< int > semantics::Event_view< T, Traits >::get_diversities

(

)

const

get counts of how many different events occur at this context

template<class T , class Traits >

std::vector< int > semantics::Event_view< T, Traits >::get_numerators

(

)

const

get counts of event at various smoothing levels

template<class T, class Traits = View_traits<T>>

void semantics::Event_view< T, Traits >::learn ( )

inline

add counts to database (treat as observed)

template<class T , class Traits >

Event_view< T, Traits > & semantics::Event_view< T, Traits >::operator=

(

const Self &

source

)

Assignment operator.

template<class T, class Traits = View_traits<T>>

double semantics::Event_view< T, Traits >::predictive_probability ( ) const

inline

get predictive prob according to HCRP model

template<class T, class Traits = View_traits<T>>

static const double& semantics::Event_view< T, Traits >::prior_prob ( const size_t &  val, const size_t &  type  )

inlinestatic

unconditional prior probability of a particular outcome

Parameters

val	the code associated with the outcome whose probability is being computed
type	contextual information; used for only some types

template<class T, class Traits = View_traits<T>>

void semantics::Event_view< T, Traits >::resample_table_assignment ( )

inline

resample the CRP table assignment for this event

template<class T, class Traits = View_traits<T>>

double semantics::Event_view< T, Traits >::smoothed_probability ( const bool &  collins = false ) const

inline

get smoothed conditional probability via Collins' method

template<class T, class Traits = View_traits<T>>

void semantics::Event_view< T, Traits >::unlearn ( )

inline

remove counts from database (treat as unobserved)

Member Data Documentation

template<class T, class Traits = View_traits<T>>

Event_view< T, Traits >::Map & semantics::Event_view< T, Traits >::map

static

Initial value:

=
    Marginal_cell<Event_view<T,Traits>, Traits::context_levels>::map

template<class T, class Traits = View_traits<T>>

const size_t & semantics::Event_view< T, Traits >::smoothing_levels = Traits::context_levels

static

template<class T, class Traits = View_traits<T>>

bool semantics::Event_view< T, Traits >::VERBOSE = false

static

---

The documentation for this class was generated from the following file:

• /work/kobus/src/lib/semantics/Event_view.h