edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules Class Reference

List of all members.

Public Member Functions
	CPT2Rules (RelationalNode relNode)
Formula	getConjunction (Rule rule, Map< String, String > constantAssignment) throws Exception
double	getProbability (Rule r)
RelationalNode	getRelationalNode (Condition c)
int	getZerosInCPT ()
Rule[]	learnRules (Map< String, String > constantAssignment) throws Exception
Protected Member Functions
void	walkCPT4InstanceCollection (int[] addr, int i, Map< String, String > constantSettings, Instances instances) throws Exception
void	walkCPT4ValueSet (int[] addr, int i, Set< Double > values)
Protected Attributes
HashMap< String, Attribute >	attrs
CPF	cpf
RelationalBeliefNetwork	rbn
Package Attributes
FastVector	fvAttribs
RelationalNode	mainNode
BeliefNode[]	nodes
HashMap< Attribute, RelationalNode >	relNodes
int	zerosInCPT

Detailed Description

the task here is to learn a decision tree as a compact representation of a CPT, the predictors being the values of all nodes relevant to the CPT (parents and child) and the predicted class attribute being the probability value

Author:: jain

Definition at line 123 of file CPT2MLNFormulas.java.

Constructor & Destructor Documentation

edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::CPT2Rules ( RelationalNode relNode ) [inline]

Definition at line 136 of file CPT2MLNFormulas.java.

Member Function Documentation

Formula edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::getConjunction	(	Rule	rule,
		Map< String, String >	constantAssignment
	)			throws Exception `[inline]`

Definition at line 299 of file CPT2MLNFormulas.java.

double edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::getProbability ( Rule r ) [inline]

Definition at line 313 of file CPT2MLNFormulas.java.

RelationalNode edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::getRelationalNode ( Condition c ) [inline]

gets the relational node that corresponds to the attribute that is being checked against in the given condition

Parameters:

c

Returns:

Definition at line 295 of file CPT2MLNFormulas.java.

int edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::getZerosInCPT ( ) [inline]

Definition at line 209 of file CPT2MLNFormulas.java.

Rule [] edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::learnRules ( Map< String, String > constantAssignment ) throws Exception [inline]

collects instances for the given constant assignment and learns a decision tree for which it returns the set of rules

Parameters:

constantAssignment

Returns:

Exceptions:

Exception

Definition at line 219 of file CPT2MLNFormulas.java.

void edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::walkCPT4InstanceCollection	(	int[]	addr,
		int	i,
		Map< String, String >	constantSettings,
		Instances	instances
	)			throws Exception `[inline, protected]`

Definition at line 237 of file CPT2MLNFormulas.java.

void edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::walkCPT4ValueSet	(	int[]	addr,
		int	i,
		Set< Double >	values
	)			`[inline, protected]`

Definition at line 176 of file CPT2MLNFormulas.java.

Member Data Documentation

HashMap<String, Attribute> edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::attrs [protected]

maps attribute names to actual attributes. Note: except for the probability value attribute "prob", the names of attributes correspond to names of relational node

Definition at line 127 of file CPT2MLNFormulas.java.

CPF edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::cpf [protected]

Definition at line 129 of file CPT2MLNFormulas.java.

FastVector edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::fvAttribs [package]

Definition at line 131 of file CPT2MLNFormulas.java.

RelationalNode edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::mainNode [package]

Definition at line 133 of file CPT2MLNFormulas.java.

BeliefNode [] edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::nodes [package]

Definition at line 130 of file CPT2MLNFormulas.java.

RelationalBeliefNetwork edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::rbn [protected]

Definition at line 128 of file CPT2MLNFormulas.java.

HashMap<Attribute, RelationalNode> edu::tum::cs::srl::bayesnets::CPT2MLNFormulas::CPT2Rules::relNodes [package]