com.bbn.bue.common.evaluation

Class Alignments

java.lang.Object

com.bbn.bue.common.evaluation.Alignments

@Beta
public final class Alignments
extends Object

Utility methods for dealing with Alignments.

Method Summary

Methods

Modifier and Type	Method and Description
static <T,V> com.google.common.collect.ImmutableMap<V,Alignment<T,T>>	splitAlignmentByKeyFunction(Alignment<? extends T,? extends T> alignment, com.google.common.base.Function<? super T,? extends V> keyFunction) Splits an alignment into many alignments based on a function mapping aligned items to some set of keys.

Methods inherited from class java.lang.Object

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

Method Detail

splitAlignmentByKeyFunction

public static <T,V> com.google.common.collect.ImmutableMap<V,Alignment<T,T>> splitAlignmentByKeyFunction(Alignment<? extends T,? extends T> alignment,
                                                                                         com.google.common.base.Function<? super T,? extends V> keyFunction)

Splits an alignment into many alignments based on a function mapping aligned items to some set of keys. Returns a map where the keys are all observed outputs of the key function on items in the alignment and the values are new alignments containing only elements which yield that output when the key function is applied. For example, if you had an alignment of EventMentions, you could use an "event type" key function to produce one alignment per event type.