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Terrier IR Platform
1.1.1
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L
L
- Class in
uk.ac.gla.terrier.matching.models.aftereffect
This class implements the L model for the first normalisation by after effect.
L()
- Constructor for class uk.ac.gla.terrier.matching.models.aftereffect.
L
LanguageModel
- Class in
uk.ac.gla.terrier.matching.models.languagemodel
This class should be extended by the classes used for weighting documents using language modelling.
LanguageModel()
- Constructor for class uk.ac.gla.terrier.matching.models.languagemodel.
LanguageModel
A default constructor that initialises the idf i attribute
lastChar
- Static variable in class uk.ac.gla.terrier.indexing.
HTMLDocument
Saves the last read character between consecutive calls of getNextTerm().
lastChar
- Static variable in class uk.ac.gla.terrier.indexing.
TRECFullTokenizer
left
- Variable in class uk.ac.gla.terrier.structures.trees.
BlockFieldDocumentTreeNode
Deprecated.
The left child of the node.
left
- Variable in class uk.ac.gla.terrier.structures.trees.
BlockLexiconTreeNode
Deprecated.
The left child of the node.
left
- Variable in class uk.ac.gla.terrier.structures.trees.
BlockTreeNode
Deprecated.
The left child of the node.
left
- Variable in class uk.ac.gla.terrier.structures.trees.
FieldDocumentTreeNode
Deprecated.
The left child of the node.
left
- Variable in class uk.ac.gla.terrier.structures.trees.
TermTreeNode
Deprecated.
The left child of the node.
left
- Variable in class uk.ac.gla.terrier.structures.trees.
TreeNode
Deprecated.
The left child of the node.
LemurTF_IDF
- Class in
uk.ac.gla.terrier.matching.models
This class implements the TF_IDF weighting model as it is implemented in
Lemur
.
LemurTF_IDF()
- Constructor for class uk.ac.gla.terrier.matching.models.
LemurTF_IDF
A default constructor.
length()
- Method in class uk.ac.gla.terrier.matching.
MatchingQueryTerms
Returns the number of unique terms in the query.
Lexicon
- Class in
uk.ac.gla.terrier.structures
The class that implements the lexicon structure.
Lexicon()
- Constructor for class uk.ac.gla.terrier.structures.
Lexicon
A default constructor.
Lexicon(String, String)
- Constructor for class uk.ac.gla.terrier.structures.
Lexicon
Lexicon(String)
- Constructor for class uk.ac.gla.terrier.structures.
Lexicon
Constructs an instace of Lexicon and opens the corresponding file.
LEXICON_FILENAME
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The filename of the lexicon file.
LEXICON_INDEX_FILENAME
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The filename of the lexicon index file.
LEXICON_INDEX_SUFFIX
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The suffix of the lexicon index file that contains the offset of each term in the lexicon.
LexiconBuilder
- Class in
uk.ac.gla.terrier.structures.indexing
Builds temporary lexicons during indexing a collection and merges them when the indexing of a collection has finished.
LexiconBuilder()
- Constructor for class uk.ac.gla.terrier.structures.indexing.
LexiconBuilder
A default constructor of the class.
LexiconBuilder(String, String)
- Constructor for class uk.ac.gla.terrier.structures.indexing.
LexiconBuilder
Creates an instance of the class, given the path to save the temporary lexicons.
LexiconEntry
- Class in
uk.ac.gla.terrier.structures
Contains all the information about one entry in the Lexicon.
LexiconEntry()
- Constructor for class uk.ac.gla.terrier.structures.
LexiconEntry
Create an empty LexiconEntry
LexiconEntry(String, int, int, int)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconEntry
Create a lexicon entry with the following information.
lexiconEntryLength
- Static variable in class uk.ac.gla.terrier.structures.
BlockLexicon
The size in bytes of an entry in the lexicon file.
lexiconEntryLength
- Static variable in class uk.ac.gla.terrier.structures.
Lexicon
The size in bytes of an entry in the lexicon file.
lexiconEntryLength
- Static variable in class uk.ac.gla.terrier.structures.
UTFBlockLexicon
The size in bytes of an entry in the lexicon file.
lexiconEntryLength
- Static variable in class uk.ac.gla.terrier.structures.
UTFLexicon
The size in bytes of an entry in the lexicon file.
LexiconInputStream
- Class in
uk.ac.gla.terrier.structures
This class implements an input stream for the lexicon structure.
LexiconInputStream()
- Constructor for class uk.ac.gla.terrier.structures.
LexiconInputStream
A default constructor.
LexiconInputStream(String)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconInputStream
A constructor given the filename.
LexiconInputStream(String, String)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconInputStream
LexiconInputStream(File)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconInputStream
A constructor given the filename.
LexiconMap
- Class in
uk.ac.gla.terrier.structures.indexing
This class keeps track of the total counts of terms within a bundle of documents being indexed.
LexiconMap()
- Constructor for class uk.ac.gla.terrier.structures.indexing.
LexiconMap
LexiconMerger
- Class in
uk.ac.gla.terrier.structures.merging
Merges many lexicons, termids and offsets are not kept.
LexiconMerger(String, String)
- Constructor for class uk.ac.gla.terrier.structures.merging.
LexiconMerger
A constructor that sets the filenames of the lexicon files to merge
LexiconOutputStream
- Class in
uk.ac.gla.terrier.structures
This class implements an output stream for the lexicon structure.
LexiconOutputStream()
- Constructor for class uk.ac.gla.terrier.structures.
LexiconOutputStream
A default constructor.
LexiconOutputStream(String)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconOutputStream
A constructor given the filename.
LexiconOutputStream(File)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconOutputStream
A constructor given the filename.
LexiconOutputStream(String, String)
- Constructor for class uk.ac.gla.terrier.structures.
LexiconOutputStream
A constructor for a LexiconOutputStream given the index path and prefix
LEXICONSUFFIX
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The suffix of the file that contains the lexicon.
LexiconTree
- Class in
uk.ac.gla.terrier.structures.trees
Deprecated.
LexiconTree()
- Constructor for class uk.ac.gla.terrier.structures.trees.
LexiconTree
Deprecated.
LL
- Class in
uk.ac.gla.terrier.matching.models.aftereffect
This class implements the LL model for the first normalisation by after effect.
LL()
- Constructor for class uk.ac.gla.terrier.matching.models.aftereffect.
LL
The default constructor.
LMMatching
- Class in
uk.ac.gla.terrier.matching
Performs the matching of documents for language modelling with a query, by assigning scores to documents for each query in the lexicon according to the term's occurrences in the document and in the query.
LMMatching(Index)
- Constructor for class uk.ac.gla.terrier.matching.
LMMatching
Default constructor.
load()
- Method in class uk.ac.gla.terrier.applications.desktop.filehandling.
AssociationFileOpener
Loaads the file assocciations to use from a properties file.
load()
- Method in interface uk.ac.gla.terrier.applications.desktop.filehandling.
FileOpener
Perform any loading in of data the implementor may require.
load()
- Method in class uk.ac.gla.terrier.applications.desktop.filehandling.
MacOSXFileOpener
Does nothing, not used
load()
- Method in class uk.ac.gla.terrier.applications.desktop.filehandling.
WindowsFileOpener
Does nothing, not used
loadCollection(String)
- Static method in class uk.ac.gla.terrier.indexing.
CollectionFactory
Returns null on error
loadCollections()
- Static method in class uk.ac.gla.terrier.indexing.
CollectionFactory
Use the default property
trec.collection.class
, or it's default value TRECCollection
loadCollections(String[])
- Static method in class uk.ac.gla.terrier.indexing.
CollectionFactory
Returns null on error
loadIntoMemory(DataInputStream, int)
- Method in class uk.ac.gla.terrier.structures.
DocumentIndexEncoded
Loads the data from the file into memory.
loadIntoMemory(DataInputStream, int)
- Method in class uk.ac.gla.terrier.structures.
DocumentIndexInMemory
This method loads the data into memory.
loadStopwordsList(String[])
- Method in class uk.ac.gla.terrier.terms.
Stopwords
Loads the specified stopwords files.
loadStopwordsList(String)
- Method in class uk.ac.gla.terrier.terms.
Stopwords
Loads the specified stopwords file.
log(double)
- Method in class uk.ac.gla.terrier.matching.models.
Idf
Returns the base 2 log of the given double precision number.
log(double, double)
- Method in class uk.ac.gla.terrier.matching.models.
Idf
Returns the base 2 log of d1 over d2
LOG4J_CONFIG
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The configuration file used by log4j
LOG_2_OF_E
- Static variable in class uk.ac.gla.terrier.matching.models.
Idf
The natural logarithm of 2, used to change the base of logarithms.
LOG_FILENAME
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The filename of the log (statistics) file.
LOG_SUFFIX
- Static variable in class uk.ac.gla.terrier.utility.
ApplicationSetup
The suffix of the file that contains the collection statistics.
LookAheadReader
- Class in
uk.ac.gla.terrier.utility
Implements a Reader, that encapsulates another stream, but only upto the point that a pre-defined end marker in the stream is identified.
LookAheadReader(Reader, String)
- Constructor for class uk.ac.gla.terrier.utility.
LookAheadReader
Creates an instance of a LookAheadReader that will read from the given stream until the end marker is found.
LookAheadStream
- Class in
uk.ac.gla.terrier.utility
Implements an InputStream, that encapsulates another stream, but only upto the point that a pre-defined end marker in the stream is identified.
LookAheadStream(InputStream, String)
- Constructor for class uk.ac.gla.terrier.utility.
LookAheadStream
Creates an instance of a LookAheadReader that will read from the given stream until the end marker is found.
Overview
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Terrier IR Platform
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Terrier Information Retrieval Platform
1.1.1. Copyright 2004-2007
University of Glasgow