Hierarchical Text Categorization

Name: Hierarchical Text Categorization
Brand: VDM Verlag
SKU: 9783639183405
Price: 1618 CZK
Availability: InStock

Algorithms, Evaluation, and Applications

Autor: Svetlana Kiritchenko

Jazyk:

Vazba: Brožovaná

Vydavatel: VDM Verlag

Dostupnost: U nakladatele na objednávku

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Generally, broad textual collections are thematically organized in hierarchies of categories: web pa...

Informace o knize

Autor

Svetlana Kiritchenko

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2009

Stránek

180

EAN

9783639183405

ISBN

3639183401

Enbook ID

06826535

Vydavatel

VDM Verlag

Hmotnost

272

Rozměry

152 x 229 x 10

Kompletní popis

Generally, broad textual collections are thematically organized in hierarchies of categories: web pages are grouped by topics in web directories, emails are arranged in personal folders, articles in digital libraries are indexed by subjects, etc. Hierarchical text categorization explores automatic techniques to assign textual documents to categories in a hierarchy. This book focuses on two main aspects of hierarchical categorization: classification algorithms and performance evaluation. Two general hierarchical frameworks, global and local top-down, extended for DAG hierarchies, are compared with traditional "flat" classification where hierarchical relations are not taken into account. A novel hierarchical evaluation measure is introduced and compared with existing hierarchical and non-hierarchical evaluation techniques by a number of formal criteria. Finally, several real-life applications of hierarchical categorization in the field of bioinformatics are described. The book presents an extensive study of the subject matter and will be of interest to all researchers working in the area of text categorization and bioinformatics.

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Hierarchical Text Categorization

Algorithms, Evaluation, and Applications

Informace o knize

Kompletní popis

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