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	Extrakcia informácií	Detekcia zámeru	Rozpoznávanie pomenovaných entít (NER)
Odbor	Dolovanie textu	Dolovanie textu	Dolovanie textu
Rodina	Process / pipeline	Process / pipeline	Process / pipeline
Rok vzniku	—	—	—
Tvorca	—	—	—
Typ	NLP structured-information task	NLP / NLU text-classification task	NLP sequence-labelling task
Pôvodný zdroj	Cowie, J. & Lehnert, W. (1996). Information Extraction. Communications of the ACM.	Larson, S. et al. (2019). An Evaluation Dataset for Intent Classification and Out-of-Scope Prediction. EMNLP.	Nadeau, D. & Sekine, S. (2007). A survey of named entity recognition. Lingvisticae Investigationes.
Ďalšie názvy	IE, structured information extraction, Bilgi Çıkarma (Information Extraction)	intent classification, intent recognition, Niyet Tespiti (Intent Detection)	NER, entity tagging, Adlandırılmış Varlık Tanıma (NER)
Príbuzné	4	4	3
Zhrnutie	Information extraction (IE) is a natural-language-processing task that converts unstructured text into structured information — such as events, relations, and attributes — so that facts buried in free-form documents become machine-readable records. The task was consolidated in early surveys by Cowie and Lehnert (1996) and later by Grishman (2012).	Intent detection is a natural-language-understanding task that classifies the purpose behind a user utterance — such as making a reservation, asking for information, or filing a complaint — into one of a set of predefined intent classes. It is a core NLU component of conversational interfaces and customer-service automation systems, drawing on the benchmarks of Larson et al. (2019) and Casanueva et al. (2020).	Named entity recognition (NER) is a natural-language-processing task that automatically detects and labels entities in text — such as people, organisations, locations, and dates. Surveyed by Nadeau and Sekine (2007) and later advanced with neural architectures by Lample et al. (2016), it turns free-running text into tagged spans that downstream tools can use.