15788394
Description
Flashcards by August Edström, updated more than 1 year ago
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Created by August Edström
about 6 years ago
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| Question | Answer |
| What is the key difference between classical logics and nonmonotonic logics? – Why can we not just use classical logic to model defeasible reasoning? | Nonmonotonic logics define consequence notion for defeasible reasoning -Cant handle contradicting information?? |
| In argumentation, what is the difference between a rebutting attack and an undercutting attack? | Undercutting is indirect in the sense of attacking the inference. Provides exception to the proposed rule that inference is based upon. Whereas rebutting is an attack on the conclusion itself |
| Take an application of modus ponens in classical logic. Provide the knowledge base K, the ruleset R = Rs ÈRd and the argument A that captures this application. | ? |
| Take the argumentation framework from slide 27 – Give the preferred and grounded extension(s) |
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| Why does an “off the shelf” named entity recognition algorithm not work well on user generated content (e.g. crime reports submitted to the police)? | Spelling mistakes, telegram styles, bad punctuation (human factor) |
| What is an admissable set of arguments? | – it is conflict-free: There are no arguments a and b in A, such that a attacks b. – the arguments in A are acceptable with respect to A: For all arguments a in A, such that there is an argument b that attacks a, there is an argument g in A that attacks b. |
| Explain preferred extensions | An admissible set of arguments is a preferred extension if it is an admissible set that is maximal with respect to set inclusion. |
| Explain grounded extensions | A conflict-free set of arguments is a stable extension if all arguments that are not in the set are attacked by an argument in the set. |
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