CTaxonomy Class Reference

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Detailed Description

CTaxonomy is used to describe hierarchical structure between tasks.

Definition at line 141 of file MultitaskKernelTreeNormalizer.h.

Inheritance diagram for CTaxonomy:

List of all members.

Public Member Functions
	CTaxonomy ()
CNode *	get_node (int32_t task_id)
void	set_root_beta (float64_t beta)
CNode *	add_node (std::string parent_name, std::string child_name, float64_t beta)
int32_t	get_id (std::string name)
std::set< CNode * >	intersect_root_path (CNode *node_lhs, CNode *node_rhs)
float64_t	compute_node_similarity (int32_t task_lhs, int32_t task_rhs)
void	update_task_histogram (std::vector< int32_t > task_vector_lhs)
int32_t	get_num_nodes ()
int32_t	get_num_leaves ()
float64_t	get_node_weight (int32_t idx)
void	set_node_weight (int32_t idx, float64_t weight)
virtual const char *	get_name () const
std::map< std::string, int32_t >	get_name2id ()
int32_t	get_id_by_name (std::string name)
Protected Attributes
CNode *	root
std::map< std::string, int32_t >	name2id
std::vector< CNode * >	nodes
std::map< int32_t, float64_t >	task_histogram

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Constructor & Destructor Documentation

CTaxonomy

(

)

default constructor

Definition at line 148 of file MultitaskKernelTreeNormalizer.h.

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Member Function Documentation

CNode* add_node	(	std::string	parent_name,
		std::string	child_name,
		float64_t	beta
	)

inserts additional node into taxonomy

Parameters:

parent_name	name of parent
child_name	name of child
beta	weight of child

Definition at line 178 of file MultitaskKernelTreeNormalizer.h.

float64_t compute_node_similarity	(	int32_t	task_lhs,
		int32_t	task_rhs
	)

Parameters:

task_lhs	task_id on left hand side
task_rhs	task_id on right hand side

Returns:

similarity between tasks

Definition at line 239 of file MultitaskKernelTreeNormalizer.h.

int32_t get_id

(

std::string

name

)

translates name to id

Parameters:

name	name of task

Returns:

id

Definition at line 210 of file MultitaskKernelTreeNormalizer.h.

int32_t get_id_by_name

(

std::string

name

)

translate name to id

Parameters:

name

node name

Returns:

id

Definition at line 343 of file MultitaskKernelTreeNormalizer.h.

virtual const char* get_name

(

void

)

const [virtual]

Returns:

object name

Implements CSGObject.

Definition at line 328 of file MultitaskKernelTreeNormalizer.h.

std::map<std::string, int32_t> get_name2id

(

)

Returns:

mapping from name to id

Definition at line 334 of file MultitaskKernelTreeNormalizer.h.

CNode* get_node

(

int32_t

task_id

)

Parameters:

task_id

task identifier

Returns:

node with id task_id

Definition at line 161 of file MultitaskKernelTreeNormalizer.h.

float64_t get_node_weight

(

int32_t

idx

)

Returns:

weight of node with identifier idx

Definition at line 311 of file MultitaskKernelTreeNormalizer.h.

int32_t get_num_leaves

(

)

Returns:

number of leaves

Definition at line 295 of file MultitaskKernelTreeNormalizer.h.

int32_t get_num_nodes

(

)

Returns:

number of nodes

Definition at line 289 of file MultitaskKernelTreeNormalizer.h.

std::set<CNode*> intersect_root_path	(	CNode *	node_lhs,
		CNode *	node_rhs
	)

given two nodes, compute the intersection of their ancestors

Parameters:

node_lhs	node of left hand side
node_rhs	node of right hand side

Returns:

intersection of the two sets of ancestors

Definition at line 219 of file MultitaskKernelTreeNormalizer.h.

void set_node_weight	(	int32_t	idx,
		float64_t	weight
	)

Parameters:

idx	node id
weight	weight to set

Definition at line 321 of file MultitaskKernelTreeNormalizer.h.

void set_root_beta

(

float64_t

beta

)

set root weight

Parameters:

beta

weight

Definition at line 168 of file MultitaskKernelTreeNormalizer.h.

void update_task_histogram

(

std::vector< int32_t >

task_vector_lhs

)

keep track of how many elements each task has

Parameters:

task_vector_lhs

vector of task ids for examples

Definition at line 262 of file MultitaskKernelTreeNormalizer.h.

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Member Data Documentation

std::map<std::string, int32_t> name2id [protected]

Definition at line 352 of file MultitaskKernelTreeNormalizer.h.

std::vector<CNode*> nodes [protected]

Definition at line 353 of file MultitaskKernelTreeNormalizer.h.

CNode* root [protected]

Definition at line 351 of file MultitaskKernelTreeNormalizer.h.

std::map<int32_t, float64_t> task_histogram [protected]

Definition at line 354 of file MultitaskKernelTreeNormalizer.h.

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

• MultitaskKernelTreeNormalizer.h