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The Role of Named Entities in Text Classification

by: Quintin Armour, Nathalie Japkowicz, and Stan Matwin

In: Proceedings CLiNE 2005 Gatineau, Canada: (2005) .

Resources (URL, PDF, PS...)

URL:	http://www.crtl.ca/cline05/cline05_papers/ArmourJapkowiczMatwin.pdf

Named entities are typically associated with names of people, places and organizations and constitute a group of textual elements present in almost any type of document. The general techniques used to extract them and their variable-length property also makes them an attractive type of attribute to study in text classification. In this paper, several data sets are characterized as being either dependent or independent of named entities with a Naive Bayes based ranking technique. Using this characterization, results are presented which find named entities to be in fact useful in classification tasks, and that accuracy can be improved by considering them as a special type of attribute. Namely, the inclusion of regular terms, named entity representation and the frequency with which a classifier is retrained all have an impact on the classification of documents where named entities are important.

BibTeX record

@inproceedings{Armour:2005,
  abstract = {Named entities are typically associated with names of people, places and organizations and constitute a group of textual elements present in almost any type of document. The general techniques used to extract them and their variable-length property also makes them an attractive type of attribute to study in text classification. In this paper, several data sets are characterized as being either dependent or independent of named entities with a Naive Bayes based ranking technique. Using this characterization, results are presented which find named entities to be in fact useful in classification tasks, and that accuracy can be improved by considering them as a special type of attribute. Namely, the inclusion of regular terms, named entity representation and the frequency with which a classifier is retrained all have an impact on the classification of documents where named entities are important.},
  added-at = {2007-12-14T02:35:36.000+0100},
  address = {Gatineau, Canada},
  author = {Armour, Quintin and Japkowicz, Nathalie and Matwin, Stan},
  biburl = {http://www.bibsonomy.org/bibtex/2ce8cc5153963e37fc34d9b71c2bbcc93/diego_ma},
  booktitle = {Proceedings CLiNE 2005},
  interhash = {f1f8e4bfc10afd7c14acee90b305a590},
  intrahash = {ce8cc5153963e37fc34d9b71c2bbcc93},
  keywords = {named_entities text_categorisation},
  timestamp = {2007-12-14T02:35:36.000+0100},
  title = {The Role of Named Entities in Text Classification},
  url = {http://www.crtl.ca/cline05/cline05_papers/ArmourJapkowiczMatwin.pdf},
  year = 2005
}

Endnote record

%0 Conference Paper
%1 Armour:2005
%A Armour, Quintin
%A Japkowicz, Nathalie
%A Matwin, Stan
%B Proceedings CLiNE 2005
%C Gatineau, Canada
%D 2005
%K 
%T The Role of Named Entities in Text Classification
%U http://www.crtl.ca/cline05/cline05_papers/ArmourJapkowiczMatwin.pdf
%X Named entities are typically associated with names of people, places and organizations and constitute a group of textual elements present in almost any type of document. The general techniques used to extract them and their variable-length property also makes them an attractive type of attribute to study in text classification. In this paper, several data sets are characterized as being either dependent or independent of named entities with a Naive Bayes based ranking technique. Using this characterization, results are presented which find named entities to be in fact useful in classification tasks, and that accuracy can be improved by considering them as a special type of attribute. Namely, the inclusion of regular terms, named entity representation and the frequency with which a classifier is retrained all have an impact on the classification of documents where named entities are important.

BibSonomy :: publication ::

The Role of Named Entities in Text Classification

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Abstract

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Endnote record