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Document-term matrix

A document-term matrix is a mathematical matrix that describes the frequency of terms that occur in each document in a collection. In a document-term matrix, rows correspond to documents in the collection and columns correspond to terms. This matrix is a specific instance of a document-feature matrix where "features" may refer to other properties of a…

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Overview

General concept

History of the concept

Choice of terms

Applications

Advanced semantic analysis

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Map overview Semantic statistics

Document-term matrix

Nodes33
Edges32
Triples38
Avg. degree1.94
Density0.060606
Components1

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Document-term matrix

Top relations

related to history · 13
Document-term matrix → Borko, Descriptor Word Index Program, Eileen Stone, Every Allowable Term, FEAT, Frequency, Harold Borko's, John, Olney, One, System Development Corporation, The, While
related to General concept · 6
Document-term matrix → As, D1, D2, Each, For, When
related to Choice of terms · 5
Document-term matrix → Adding, In, Indo-European, It, The
related to Finding topics · 3
Document-term matrix → Latent Dirichlet, Multivariate, Specifically
related to Improving search results · 3
Document-term matrix → However, Latent, LSA
is a · 1
Document-term matrix → mathematical matrix that describes the frequency of terms that occur in each document in a collection

Important terminology Word statistics

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Important terminology

matrix terms document document-term frequency words documents word also term counts analysis corpus text rows system written program used common

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Document-term matrixis amathematical matrix that describes the frequency of terms that occur in each document in a collection0.90text
row normalizinginstance ofthere are various schemes for weighting the raw counts0.80text
andinstance ofCertain function words0.80text
theinstance ofCertain function words0.80text
atinstance ofCertain function words0.80text
ainstance ofCertain function words0.80text
etc.instance ofCertain function words0.80text
were placed in ainstance ofCertain function words0.80text
Document-term matrixrelated to Choice of termsIn0.60section
Document-term matrixrelated to Choice of termsThe0.60section
Document-term matrixrelated to Choice of termsIt0.60section
Document-term matrixrelated to Choice of termsIndo-European0.60section

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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