Uses of Class
org.terrier.structures.CollectionStatistics

Packages that use CollectionStatistics

Package	Description
org.terrier.matching	Provides the classes and interfaces used for matching documents to queries.
org.terrier.matching.daat	Provides classes that implement a document-at-a-time (DAAT) matching strategy.
org.terrier.matching.dsms	Provides the interface and the classes for modifying the scores of documents after an score has been assigned to documents, or implementing the combination of evidence.
org.terrier.matching.matchops	This package contains matching Operators.
org.terrier.matching.models	Provides the classes that implement various weighting models.
org.terrier.querying	Provides the interfaces and classes for the querying API of the Terrier platform, the controls, post processors and filters.
org.terrier.realtime.memory	Provides MemoryIndex structures.
org.terrier.realtime.multi	Provides MultiIndex structures.
org.terrier.structures	Provides the interfaces for the index data structures used for retrieval with the Terrier platform.
org.terrier.structures.indexing.classical	Provides functionality for creating on-disk indices via indexer classes.

Uses of CollectionStatistics in org.terrier.matching

Fields in org.terrier.matching declared as CollectionStatistics

Modifier and Type	Field	Description
protected CollectionStatistics	BaseMatching.collectionStatistics	The collection statistics
protected CollectionStatistics	PostingListManager.collectionStatistics	statistics of the collection
protected CollectionStatistics	TRECResultsMatching.collStats	The underlying collections statistics.

Methods in org.terrier.matching that return CollectionStatistics

Modifier and Type	Method	Description
CollectionStatistics	FatQueryResultSet.getCollectionStatistics()	Get the collection statistics that should be applied when (re)scoring any documents in this query
CollectionStatistics	FatResultSet.getCollectionStatistics()	Get the collection statistics that should be applied when (re)scoring any documents in this query
CollectionStatistics	TRECResultsMatching.getCollectionStatistics()	Returns collection statistics.

Methods in org.terrier.matching with parameters of type CollectionStatistics

Modifier and Type	Method	Description
void	BaseMatching.setCollectionStatistics(CollectionStatistics cs)	Update the collection statistics being used by this matching instance
void	FatQueryResultSet.setCollectionStatistics(CollectionStatistics cs)
void	FatResultSet.setCollectionStatistics(CollectionStatistics cs)
void	FatResultsMatching.setCollectionStatistics(CollectionStatistics cs)
void	FatScoringMatching.setCollectionStatistics(CollectionStatistics cs)
void	FeaturedScoringMatching.setCollectionStatistics(CollectionStatistics cs)
void	LearnedModelMatching.setCollectionStatistics(CollectionStatistics cs)
void	Matching.setCollectionStatistics(CollectionStatistics cs)	Update the collection statistics being used by this matching instance
void	ScoringMatching.setCollectionStatistics(CollectionStatistics cs)
void	TRECResultsMatching.setCollectionStatistics(CollectionStatistics _collStats)

Constructors in org.terrier.matching with parameters of type CollectionStatistics

Constructor	Description
FatQueryResultSet(int numberOfDocuments, CollectionStatistics cs, java.lang.String[] qs, EntryStatistics[] es, double[] ks, java.util.Set<java.lang.String>[] ts)
PostingListManager(Index _index, CollectionStatistics cs)	Create a posting list manager for the given index and statistics
PostingListManager(Index _index, CollectionStatistics _cs, MatchingQueryTerms mqt)	Create a posting list manager for the given index and statistics, and populated using the specified MatchingQueryTerms.
PostingListManager(Index _index, CollectionStatistics _cs, MatchingQueryTerms mqt, boolean splitSynonyms, java.lang.String scoringTag, java.lang.String additionalTag)	Create a posting list manager for the given index and statistics, and populated using the specified MatchingQueryTerms.

Uses of CollectionStatistics in org.terrier.matching.daat

Methods in org.terrier.matching.daat that return CollectionStatistics

Modifier and Type	Method	Description
CollectionStatistics	FatCandidateResultSet.getCollectionStatistics()

Methods in org.terrier.matching.daat with parameters of type CollectionStatistics

Modifier and Type	Method	Description
void	FatCandidateResultSet.setCollectionStatistics(CollectionStatistics cs)

Constructors in org.terrier.matching.daat with parameters of type CollectionStatistics

Constructor	Description
FatCandidateResultSet(java.util.Collection<CandidateResult> q, CollectionStatistics cs, java.lang.String[] queryTerms, EntryStatistics[] entryStats, double[] keyFrequency, java.util.Set<java.lang.String>[] tags)
FatCandidateResultSet(java.util.List<CandidateResult> q, CollectionStatistics cs, java.lang.String[] queryTerms, EntryStatistics[] entryStats, double[] keyFrequency)	Deprecated.

Uses of CollectionStatistics in org.terrier.matching.dsms

Methods in org.terrier.matching.dsms with parameters of type CollectionStatistics

Modifier and Type	Method	Description
void	DependenceScoreModifier.setCollectionStatistics(CollectionStatistics cs, Index _index)	Sets the collection statistics used to score the documents (number of documents in the collection, etc)
void	MRFDependenceScoreModifier.setCollectionStatistics(CollectionStatistics cs, Index _index)	Sets the collection statistics used to score the documents (number of documents in the collection, etc)

Uses of CollectionStatistics in org.terrier.matching.matchops

Methods in org.terrier.matching.matchops with parameters of type CollectionStatistics

Modifier and Type	Method	Description
MatchingEntry	DateRangeOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexTerm, PostingIndex<Pointer> invTerm, CollectionStatistics collectionStats)
MatchingEntry	MultiTermOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexicon, PostingIndex<Pointer> invertedIndex, CollectionStatistics collectionStatistics)
abstract MatchingEntry	Operator.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lex, PostingIndex<Pointer> inv, CollectionStatistics collStats)	get an entry for matching for this query op.
MatchingEntry	SingleTermOp.getMatcher(MatchingQueryTerms.QueryTermProperties qtp, Index index, Lexicon<java.lang.String> lexicon, PostingIndex<Pointer> invertedIndex, CollectionStatistics collectionStatistics)
protected EntryStatistics	ANDQueryOp.mergeStatistics(EntryStatistics[] entryStats, CollectionStatistics collStats)	Adjust the statistics for this operator: 1.
protected EntryStatistics	MultiTermOp.mergeStatistics(EntryStatistics[] entryStats, CollectionStatistics collStats)
protected EntryStatistics	PhraseOp.mergeStatistics(EntryStatistics[] entryStats, CollectionStatistics collStats)
protected EntryStatistics	SynonymOp.mergeStatistics(EntryStatistics[] entryStats, CollectionStatistics collStats)	Adjust the statistics for the #syn operator: 1.
protected EntryStatistics	UnorderedWindowOp.mergeStatistics(EntryStatistics[] entryStats, CollectionStatistics collStats)

Uses of CollectionStatistics in org.terrier.matching.models

Fields in org.terrier.matching.models declared as CollectionStatistics

Modifier and Type	Field	Description
protected CollectionStatistics	WeightingModel.cs

Methods in org.terrier.matching.models with parameters of type CollectionStatistics

Modifier and Type	Method	Description
static void	WeightingModelLibrary.checkForFields(CollectionStatistics _cs)
void	DFRWeightingModel.setCollectionStatistics(CollectionStatistics _cs)
void	MDL2.setCollectionStatistics(CollectionStatistics _cs)
void	ML2.setCollectionStatistics(CollectionStatistics _cs)
void	PerFieldNormWeightingModel.setCollectionStatistics(CollectionStatistics _cs)
void	SingleFieldModel.setCollectionStatistics(CollectionStatistics _cs)
void	WeightingModel.setCollectionStatistics(CollectionStatistics _cs)	Sets collection statistics

Uses of CollectionStatistics in org.terrier.querying

Fields in org.terrier.querying declared as CollectionStatistics

Modifier and Type	Field	Description
protected CollectionStatistics	QueryExpansion.collStats	The statistics of the index

Constructors in org.terrier.querying with parameters of type CollectionStatistics

Constructor	Description
DFRBagExpansionTerms(CollectionStatistics collStats, Lexicon<java.lang.String> _lexicon, PostingIndex<?> _directIndex, DocumentIndex _documentIndex)	Constructs an instance of ExpansionTerms.

Uses of CollectionStatistics in org.terrier.realtime.memory

Subclasses of CollectionStatistics in org.terrier.realtime.memory

Modifier and Type	Class	Description
class	MemoryCollectionStatistics	This class provides basic statistics in memory for a collection of documents, such as the average length of documents, or the total number of documents in the collection.

Methods in org.terrier.realtime.memory that return CollectionStatistics

Modifier and Type	Method	Description
CollectionStatistics	MemoryIndex.getCollectionStatistics()	Get the collection statistics

Uses of CollectionStatistics in org.terrier.realtime.multi

Subclasses of CollectionStatistics in org.terrier.realtime.multi

Modifier and Type	Class	Description
class	MultiStats	A collection statistics class for use with a MultiIndex.

Methods in org.terrier.realtime.multi that return CollectionStatistics

Modifier and Type	Method	Description
CollectionStatistics	MultiIndex.getCollectionStatistics()	Get the collection statistics

Methods in org.terrier.realtime.multi with parameters of type CollectionStatistics

Modifier and Type	Method	Description
static MultiStats	MultiStats.factory(CollectionStatistics[] stats)	Constructor.

Uses of CollectionStatistics in org.terrier.structures

Subclasses of CollectionStatistics in org.terrier.structures

Modifier and Type	Class	Description
protected class	PropertiesIndex.UpdatingCollectionStatistics	This collection statistics parses the associated index properties for each call.

Methods in org.terrier.structures that return CollectionStatistics

Modifier and Type	Method	Description
abstract CollectionStatistics	Index.getCollectionStatistics()	Get the collection statistics
CollectionStatistics	IndexOnDisk.getCollectionStatistics()
abstract CollectionStatistics	PropertiesIndex.getCollectionStatistics()	Get the collection statistics

Methods in org.terrier.structures with parameters of type CollectionStatistics

Modifier and Type	Method	Description
void	CollectionStatistics.addStatistics(CollectionStatistics cs)	Increment the collection statistics with the provided collection statistics.

Uses of CollectionStatistics in org.terrier.structures.indexing.classical

Methods in org.terrier.structures.indexing.classical with parameters of type CollectionStatistics

Modifier and Type	Method	Description
protected org.terrier.structures.indexing.classical.InvertedIndexBuilder.LexiconScanner	BlockInvertedIndexBuilder.getLexScanner(java.util.Iterator<java.util.Map.Entry<java.lang.String,LexiconEntry>> lexStream, CollectionStatistics stats)
protected org.terrier.structures.indexing.classical.InvertedIndexBuilder.LexiconScanner	InvertedIndexBuilder.getLexScanner(java.util.Iterator<java.util.Map.Entry<java.lang.String,LexiconEntry>> lexStream, CollectionStatistics stats)