text categorization
preferred label: κατηγοριοποίηση κειμένου @el
type: Concept

CLARIN:EL Dictionary
preferred label: Λεξικό CLARIN:EL @el
type: ConceptScheme

knowledge discovery
preferred label: ανακάλυψη γνώσης @el
type: Concept
narrower: topic detection

topic detection
alternative label: TT
alternative label: topic classification
alternative label: παρακολούθηση θέματος @el
alternative label: TDT
alternative label: ταξινόμηση θέματος @el
alternative label: topic extraction
alternative label: TD
alternative label: topic detection and tracking
alternative label: αναγνώριση και παρακολούθηση θέματος @el
preferred label: αναγνώριση θέματος @el
alternative label: topic tracking
alternative label: εξαγωγή θέματος @el
definition: the task/process of identifying the topic of a text or dataset (e.g. by clustering keywords or using topic models)
broader: information extraction
broader: knowledge discovery
type: Concept
related: text categorization
in scheme: CLARIN:EL Dictionary
note: Topic Detection and Tracking (TDT) refers to automatic techniques for discovering, threading, and retrieving topically related material in streams of data.

information extraction
preferred label: εξαγωγή πληροφορίας @el
type: Concept
narrower: topic detection