Σύγκριση μεθόδων

	Doc2Vec	TF-IDF
Πεδίο	Εξόρυξη Κειμένου	Εξόρυξη Κειμένου
Οικογένεια	Process / pipeline	Process / pipeline
Έτος προέλευσης	2014	1988
Δημιουργός	Quoc V. Le & Tomas Mikolov	Salton & Buckley
Τύπος	Document-embedding representation learning	Text vectorization / term-weighting scheme
Θεμελιώδης πηγή	Le, Q. V. & Mikolov, T. (2014). Distributed Representations of Sentences and Documents. Proceedings of the 31st International Conference on Machine Learning (ICML), 1188-1196.	Salton, G. & Buckley, C. (1988). Term-weighting approaches in automatic text retrieval. Information Processing & Management, 24(5), 513-523.
Εναλλακτικές ονομασίες	paragraph vector, document embeddings, Doc2Vec Belge Gömülmeleri	term weighting, tf-idf weighting, TF-IDF Vektörizasyonu
Συναφείς	4	3
Σύνοψη	Doc2Vec, also known as Paragraph Vector, is a representation-learning method introduced by Le and Mikolov (2014) that maps whole documents to fixed-length dense vectors. These vectors place similar documents close together in space, supporting document comparison and classification.	TF-IDF, introduced by Salton and Buckley (1988), is a term-weighting scheme that scores each word in a document by how often it appears there and how rare it is across the whole collection. It turns raw text into weighted document vectors, giving high weight to terms that are frequent in one document but uncommon elsewhere.