Explicit semantic analysis
id:
explicit-semantic-analysis-196-12866297
title:
Explicit semantic analysis
text:
In natural language processing and information retrieval, explicit semantic analysis (ESA) is a vectoral representation of text that uses a document corpus as a knowledge base. Specifically, in ESA, a word is represented as a column vector in the tf–idf matrix of the text corpus and a document is represented as the centroid of the vectors representing its words. Typically, the text corpus is English Wikipedia, though other corpora including the Open Directory Project have been used. ESA was desi
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Explicit_semantic_analysis
date created:
date modified:
2024-03-23T19:19:31Z
main entity:
{"identifier":"Q5421270","url":"https://www.wikidata.org/entity/Q5421270"}
image:
fields total:
13
integrity:
13