15787954
Description
Flashcards by August Edström, updated more than 1 year ago
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Created by August Edström
over 5 years ago
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| 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 |
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