Artificial Intelligence: Knowledge Representation And Reasoning Week 9 Answer
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AI Knowledge Representation And Reasoning Week 9 Answer (Jan-Apr 2025)
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1. What do you recall about the description language ALC?
a) ALC stands for Attributive Language with Complement.
b) ALC provides variable-free notation for writing concept descriptions.
c) ALC concept denotes a set of individuals.
d) ALC role is a binary relation between individuals from the domain of interest.
2. Which of the following denote concepts in DL language?
a) ¬(Citizen ⊔ Migrant)
b) (hasFriend o citizenOf) ⊑ friendsCountry
c) Mammal ⊑ Animal ⊑ LivingThing
d) ⊤ (top symbol)
e) Voter ⊓ Commissioner
3. Which of the following can be expressed as AL concepts?
a) ≥2 owns.Phone
b) ¬(Citizen ⊔ Migrant)
c) ∃hasChild.Doctor ⊑ ∃consults.Doctor
d) ∀hasFriend.American
e) ∃hasFriend.American
f) ¬(Voter ⊓ Commissioner)
4. Which of the following are ALC concepts?
a) ≥2 owns.Phone
b) ¬(Citizen ⊔ Migrant)
c) ∃hasChild.Doctor ⊑ ∃consults.Doctor
d) ∀hasFriend.American
e) ∃hasFriend.American
f) ¬(Voter ⊓ Commissioner)
5. Which of the following are ALC axioms?
a) Citizen ⊑ ¬Migrant
b) (Citizen ⊔ Migrant) ⊑ (≤1 has.Passport)
c) (∃hasFriend.⊤) ⊑ (∃trusts.Self)
d) Migrant ≡ ∃has.¬Aadhar
6. Which of the following are ALC assertions?
a) (≤1 won.WorldChampionshipTitle)(Gukesh)
b) (¬(Citizen ⊔ Migrant))(Carlsen)
c) hasMentor(Gukesh,Anand)
d) ∃won.Game ⊑ ∃played.Game
e) (WorldChampion ⊓ SchoolStudent)(Gukesh)
7. Which of the following concept hierarchies correctly model the real-world situation?
a) JuniorManager ⊑ Manager ⊑ Employee
b) Lion ⊑ Mammal ⊑ Animal
c) SalesManager ⊑ Manager ⊑ Employee
d) SeaLion ⊑ Lion ⊑ Animal
8. The negation normal form of { [ (∃R.C) ⊓ (∀R.C) ] ⊑ ¬∀S.∃R.D } is __________ .
a) (∃R.C) ⊓ (∀R.C) ⊓ ∀S.∃R.D
b) (∃R.C) ⊓ (∀R.C) ⊓ ∃S.∀R.¬D
c) (∀R.C) ⊔ (∃R.C) ⊔ ∃S.∀R.¬D
d) (∀R.¬C) ⊔ (∃R.¬C) ⊔ ∃S.∀R.¬D
9. Citizens are disjoint from migrants.
a) (Citizen ⊓ Migrant) ⊑ ⊥
b) Citizen ⊑ ¬Migrant
c) Migrant ⊑ ¬Citizen
10. Citizens and migrants cannot be applicants.
a) (Applicant ⊑ ¬Citizen) ⊓ (Applicant ⊑ ¬Migrant)
b) Applicant ⊑ ¬(Citizen ⊔ Migrant)
c) (Citizen ⊔ Migrant) ⊑ ¬Applicant
11. Our employees are citizens and migrants.
a) (Employee ⊑ Citizen) ⊓ (Employee ⊑ Migrant)
b) (Employee ⊑ Citizen) ⊔ (Employee ⊑ Migrant)
c) Employee ⊑ (Citizen ⊔ Migrant)
d) Employee ⊑ (Citizen ⊓ Migrant)
12. Migrants have no Aadhar numbers.
a) Migrant ⊑ ∃has.¬AadharNumber
b) Migrant ⊑ ∀has.¬AadharNumber
Nptel AI Knowledge Representation And Reasoning Week 9 Answer (Jan-Apr 2025)
13. Those who have a friend who has passports and Aadhar numbers.
a) ∃hasFriend.∃has.(Passport ⊓ AadharNumber)
b) ∃hasFriend.((∃has.Passport) ⊓ (∃has.AadharNumber))
c) (∃hasFriend.∃has.Passport) ⊓ (∃hasFriend.∃has.AadharNumber)
14. Select the correct statement(s).
a) KB ⊨ { (∃operatesOn.Person)(Amy) }
b) KB ⊨ { (∃operatesOn.Man)(Amy) }
c) All of the above.
d) None of the above.
15. Select the correct statement(s).
a) KB ⊨ { (∀operatesOn.Person)(Amy) }
b) KB ⊨ { (∀operatesOn.Man)(Amy) }
c) All of the above.
d) None of the above.
16. Select the correct statement(s).
a) KB ⊨ { Doctor(Amy) }
b) KB ⊭ { Doctor(Amy) }
c) KB ⊨ { Surgeon(Amy) }
d) KB ⊭ { Surgeon(Amy) }
17. Select the correct statement(s).
a) KB ⊨ { Surgeon ⊑ Doctor }
b) KB ⊭ { Surgeon ⊑ Doctor }
c) None of the above.
18. The motivation for choosing a small set of predicates in Conceptual Dependency theory is ____________.
a) To define rules to operate on predicates while keeping rules minimal.
b) Because only a small set of predicates are dependent on concepts.
c) A small set of predicates is easier to remember.
d) A small set of predicates can be stored in a text file.
19. Which of the following programs were written by the Yale group working with Roger Schank?
a) FRUMP
b) MARGIE
c) RETE NET
d) TRUMP
e) QUALM
f) SLD RESOLUTION
g) BORIS
20. The Conceptual Dependency (CD) theory is ____________.
a) A representation scheme based on a small set of predicate names
b) An attempt to identify a small set of actions for everyday world
c) An attempt to represent the meaning of natural language words
d) A study of the etymology of English language words
Nptel AI Knowledge Representation And Reasoning Week 9 Answer (Jan-Apr 2025)
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