edu.stanford.nlp.ie

Interface KBPRelationExtractor

All Known Implementing Classes:

KBPEnsembleExtractor, KBPSemgrexExtractor, KBPStatisticalExtractor, KBPTokensregexExtractor

public interface KBPRelationExtractor

An interface for a KBP-style relation extractor

Author:

Gabor Angeli

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	KBPRelationExtractor.Accuracy A class to compute the accuracy of a relation extractor.
static class	KBPRelationExtractor.KBPInput
static class	KBPRelationExtractor.NERTag A list of valid KBP NER tags.
static class	KBPRelationExtractor.RelationType Known relation types (last updated for the 2013 shared task).

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NO_RELATION The special tag for no relation.

Method Summary

Modifier and Type	Method and Description
Pair<java.lang.String,java.lang.Double>	classify(KBPRelationExtractor.KBPInput input) Classify the given sentence into the relation it expresses, with the associated confidence.
default KBPRelationExtractor.Accuracy	computeAccuracy(java.util.stream.Stream<Pair<KBPRelationExtractor.KBPInput,java.lang.String>> examples, java.util.Optional<java.io.PrintStream> predictOut)
static java.util.List<Pair<KBPRelationExtractor.KBPInput,java.lang.String>>	readDataset(java.io.File conllInputFile) Read a dataset from a CoNLL formatted input file

Field Detail

NO_RELATION

static final java.lang.String NO_RELATION

The special tag for no relation.

See Also:

Constant Field Values

Method Detail

classify

Pair<java.lang.String,java.lang.Double> classify(KBPRelationExtractor.KBPInput input)

Classify the given sentence into the relation it expresses, with the associated confidence.

readDataset

static java.util.List<Pair<KBPRelationExtractor.KBPInput,java.lang.String>> readDataset(java.io.File conllInputFile)
                                                                                 throws java.io.IOException

Read a dataset from a CoNLL formatted input file

Parameters:

conllInputFile - The input file, formatted as a TSV

Returns:

A list of examples.

Throws:

java.io.IOException

computeAccuracy

default KBPRelationExtractor.Accuracy computeAccuracy(java.util.stream.Stream<Pair<KBPRelationExtractor.KBPInput,java.lang.String>> examples,
                                                      java.util.Optional<java.io.PrintStream> predictOut)