Sumários
T03: Morphology and POS parsing
26 setembro 2022, 10:00 • Nuno Mamede
The following concepts were revisited: morpheme, lemma, surface form, afixe (prefix, suffix, infix, circunfix). Portuguese and English examples. Derivation versus inflection POS. How to improve a POS tagger using transducers to accept produtive prefixes. Tagging: tagsets, baseline in POS tagging, rule-based POS tagging, HMM POS tagging, Transformation-based Tagging.
L02: Language Modeling with N-Gramas
23 setembro 2022, 15:30 • Rui Orlando Magalhães Ribeiro
Language Modelling with Ngrams. Assignment of N-grams: the probability of the next word using ngrams (bi and tri), probability of a sentence using bigrams, and La-Place Smoothing.
L02: Language Modeling with N-Gramas
23 setembro 2022, 15:30 • Gonçalo Raposo
Language Modelling with Ngrams. Assignment of N-grams: the probability of the next word using ngrams (bi and tri), probability of a sentence using bigrams.
L02: Language Modeling with N-Gramas
23 setembro 2022, 14:00 • Gonçalo Raposo
Language Modelling with Ngrams. Assignment of N-grams: the probability of the next word using ngrams (bi and tri), probability of a sentence using bigrams.