CTaxonomy Class Reference

Detailed Description

CTaxonomy is used to describe hierarchical structure between tasks.

Definition at line 146 of file MultitaskKernelTreeNormalizer.h.

Public Member Functions
	CTaxonomy ()
virtual	~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

Constructor & Destructor Documentation

CTaxonomy

(

)

default constructor

Definition at line 153 of file MultitaskKernelTreeNormalizer.h.

virtual ~CTaxonomy ( )

virtual

Definition at line 162 of file MultitaskKernelTreeNormalizer.h.

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 192 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 252 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 222 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 356 of file MultitaskKernelTreeNormalizer.h.

virtual const char* get_name ( ) const

virtual

Returns

object name

Definition at line 341 of file MultitaskKernelTreeNormalizer.h.

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

(

)

Returns

mapping from name to id

Definition at line 347 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 175 of file MultitaskKernelTreeNormalizer.h.

float64_t get_node_weight

(

int32_t

idx

)

Returns

weight of node with identifier idx

Definition at line 324 of file MultitaskKernelTreeNormalizer.h.

int32_t get_num_leaves

(

)

Returns

number of leaves

Definition at line 308 of file MultitaskKernelTreeNormalizer.h.

int32_t get_num_nodes

(

)

Returns

number of nodes

Definition at line 302 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 231 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 334 of file MultitaskKernelTreeNormalizer.h.

void set_root_beta

(

float64_t

beta

)

set root weight

Parameters

beta

weight

Definition at line 182 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 275 of file MultitaskKernelTreeNormalizer.h.

Member Data Documentation

std::map<std::string, int32_t> name2id

protected

name 2 id

Definition at line 367 of file MultitaskKernelTreeNormalizer.h.

std::vector<CNode*> nodes

protected

nodes

Definition at line 369 of file MultitaskKernelTreeNormalizer.h.

CNode* root

protected

root

Definition at line 365 of file MultitaskKernelTreeNormalizer.h.

std::map<int32_t, float64_t> task_histogram

protected

task histogram

Definition at line 371 of file MultitaskKernelTreeNormalizer.h.

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

• MultitaskKernelTreeNormalizer.h