Package ai.libs.jaicore.ml.dyadranking.activelearning

Class DyadDatasetPoolProvider

java.lang.Object

ai.libs.jaicore.ml.dyadranking.activelearning.DyadDatasetPoolProvider

All Implemented Interfaces:

IActiveLearningPoolProvider<IDyadRankingInstance>, IDyadRankingPoolProvider

public class DyadDatasetPoolProvider
extends java.lang.Object
implements IDyadRankingPoolProvider

A pool provider which is created out of a DyadRankingDataset. Each SparseDyadRankingInstance or DyadRankingInstance of the DyadRankingDataset must represent a full ranking. Only queries of rankings over the same instance features can be answered.

Constructor Summary

Constructors

Constructor	Description
DyadDatasetPoolProvider(DyadRankingDataset dataset)

Method Summary

Modifier and Type	Method	Description
java.util.Set<Dyad>	getDyadsByAlternative(ai.libs.jaicore.math.linearalgebra.Vector alternativeFeatures)	Returns the set of all Dyads with the given Vector of alternative features.
java.util.Set<Dyad>	getDyadsByInstance(ai.libs.jaicore.math.linearalgebra.Vector instanceFeatures)	Returns the set of all Dyads with the given Vector of instance features.
java.util.Collection<ai.libs.jaicore.math.linearalgebra.Vector>	getInstanceFeatures()	Returns a Collection that contains all instance features contained in the pool.
int	getNumberQueries()	Returns the number of queries the pool provider has answered so far.
java.util.Collection<IDyadRankingInstance>	getPool()	Returns the pool of unlabeled instances.
int	getPoolSize()
DyadRankingDataset	getQueriedRankings()
IDyadRankingInstance	query(IDyadRankingInstance queryInstance)	Labels the given instance.
void	setRemoveDyadsWhenQueried(boolean flag)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DyadDatasetPoolProvider

public DyadDatasetPoolProvider(DyadRankingDataset dataset)

Method Detail

getPool

public java.util.Collection<IDyadRankingInstance> getPool()

Description copied from interface: IActiveLearningPoolProvider

Returns the pool of unlabeled instances.

Specified by:

getPool in interface IActiveLearningPoolProvider<IDyadRankingInstance>

Returns:

Pool of unlabeled instances.

query

public IDyadRankingInstance query(IDyadRankingInstance queryInstance)

Description copied from interface: IActiveLearningPoolProvider

Labels the given instance.

Specified by:

query in interface IActiveLearningPoolProvider<IDyadRankingInstance>

Parameters:

queryInstance - IInstance to be labeled.

Returns:

Labeled IInstance.

getDyadsByInstance

public java.util.Set<Dyad> getDyadsByInstance(ai.libs.jaicore.math.linearalgebra.Vector instanceFeatures)

Description copied from interface: IDyadRankingPoolProvider

Returns the set of all Dyads with the given Vector of instance features.

Specified by:

getDyadsByInstance in interface IDyadRankingPoolProvider

Parameters:

instanceFeatures - Vector of instance features.

Returns:

Set of dyads with the given Vector of instance features.

getDyadsByAlternative

public java.util.Set<Dyad> getDyadsByAlternative(ai.libs.jaicore.math.linearalgebra.Vector alternativeFeatures)

Description copied from interface: IDyadRankingPoolProvider

Returns the set of all Dyads with the given Vector of alternative features.

Specified by:

getDyadsByAlternative in interface IDyadRankingPoolProvider

Parameters:

alternativeFeatures - Vector of alternative features.

Returns:

Set of dyads with the given Vector of alternative features.

getInstanceFeatures

public java.util.Collection<ai.libs.jaicore.math.linearalgebra.Vector> getInstanceFeatures()

Description copied from interface: IDyadRankingPoolProvider

Returns a Collection that contains all instance features contained in the pool.

Specified by:

getInstanceFeatures in interface IDyadRankingPoolProvider

Returns:

A Collection that contains all instance features contained in the pool.

setRemoveDyadsWhenQueried

public void setRemoveDyadsWhenQueried(boolean flag)

Specified by:

setRemoveDyadsWhenQueried in interface IDyadRankingPoolProvider

getPoolSize

public int getPoolSize()

Specified by:

getPoolSize in interface IDyadRankingPoolProvider

getNumberQueries

public int getNumberQueries()

Returns the number of queries the pool provider has answered so far.

Returns:

Number of queries this pool provider has answered.

getQueriedRankings

public DyadRankingDataset getQueriedRankings()

Specified by:

getQueriedRankings in interface IDyadRankingPoolProvider