Models of language

Question	Answer
Why is natural language important in AI?	-Store,transfer,interact with language -Loads of available data -AI can make interesting use of this data
What is lingustic rationalism?	Knowledge is not just gained through senses but humans also have "an innate system of language that facilitiates a rational mechanism of language when receiving lingustic input"(Chomsky)
What is linguistic empiricism?	Lingustic input + cognitive abilities. Learn by a lot of input basically
What kind of model is Categorical Grammar?	A non-probabalistic model
What techniques can be used in probabalistic models?	N-gram model (a Markov chain)
What is competence?(according to Chomsky)	Our internal knowledge of language
What is performance?(according to Chomsky)	The actual lingustic behaviuor
What is a language model?	A set of strings -set of sounds -set of words -set of sentences Modelling language - computing set membership
What is a N-gram?	A sequence of n words
What does P(w\|h) say?	The probability of a word w given some history h
What is lexicalised grammar? And is it a non-probablistic model or probabilistic model?	Lexicalised grammars do away with the rule-based nature of grammar Idea: see some leaves (words) are functions that take other leaves to form nodes. A non-probabilistic model
What is sentiment analysis?	Analyze a piece of text and rate it according to different categories

Resource summary

	Created by August Edström over 6 years ago