Hierarchy construction and text classification based on the relaxation strategy and least information model

•Hierarchical classification is an effective approach to categorize large-scale text data.•The relaxation strategy effectively alleviates the impact of the ‘blocking’ problem.•A new term weighting approach based on the Least Information Theory is proposed.•It offers a new information quantify model...

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Veröffentlicht in:	Expert systems with applications 2018-06, Vol.100, p.157-164
Hauptverfasser:	Du, Yongping, Liu, Jingxuan, Ke, Weimao, Gong, Xuemei
Format:	Artikel
Sprache:	eng
Schlagworte:	Classification Construction methods Documents Hierarchy classification Information theory Least Information Theory Relaxation strategy Support vector machines Term weighting Text analysis Text categorization Weighting
Online-Zugang:	Volltext
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