human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "another perspective on default reasoning"
  Abstract: The lexicographic closure of any given finite set D of normal defaults is defined. A conditional assertion "if a then b" is in this lexicographic closure if, given the defaults D and the fact a, one would conclude b. The lexicographic closure is essentially a rational extension of D, and of its rational closure, defined in a previous paper. It provides a logic of normal defaults that is different from the one proposed by R. Reiter and that is rich enough not to require the consideration of non-normal defaults. A large number of examples are provided to show that the lexicographic closure corresponds to the basic intuitions behind Reiter's logic of defaults.

Connected through hyperedge HE-1 (induced by source paper "a reconstruction of the multipreference closure"):
  with members:
    - "reasoning about exceptions in ontologies from the lexicographic closure to the skeptical closure"
    - "reasoning about multiple aspects in dls semantics and closure construction"
    - "analytic tableaux calculi for klm logics of nonmonotonic reasoning"
    - "what does a conditional knowledge base entail"
    - "nonmonotonic reasoning preferential models and cumulative logics"
    - "plausibility measures and default reasoning"

Connected through hyperedge HE-2 (induced by source paper "elementary iterated revision and the levi identity"):
  with members:
    - "on strengthening the logic of iterated belief revision proper ordinal interval operators"
    - "extending the harper identity to iterated belief change"
    - "admissible and restrained revision"
    - "what does a conditional knowledge base entail"
    - "the lexicographic closure as a revision process"

Connected through hyperedge HE-3 (induced by source paper "theoretical foundations of defeasible description logics"):
  with members:
    - "the complexity of circumscription in description logic"
    - "analytic tableaux calculi for klm logics of nonmonotonic reasoning"
    - "what does a conditional knowledge base entail"
    - "nonmonotonic reasoning preferential models and cumulative logics"

Connected through hyperedge HE-4 (induced by source paper "a description logic framework for commonsense conceptual combination integrating typicality probabilities and cognitive heuristics"):
  with members:
    - "amnestic forgery an ontology of conceptual metaphors"
    - "rational closure in shiq"
    - "concepts and their dynamics a quantum theoretic modeling of human thought"
    - "the complexity of circumscription in description logic"
    - "what does a conditional knowledge base entail"

Connected through hyperedge HE-5 (induced by source paper "on rational entailment for propositional typicality logic"):
  with members:
    - "theoretical foundations of defeasible description logics"
    - "analytic tableaux calculi for klm logics of nonmonotonic reasoning"
    - "what does a conditional knowledge base entail"
    - "nonmonotonic reasoning preferential models and cumulative logics"

Connected through hyperedge HE-6 (induced by source paper "reasoning about multiple aspects in dls semantics and closure construction"):
  with members:
    - "defeasible inclusions in low complexity dls"
    - "the complexity of circumscription in description logic"
    - "what does a conditional knowledge base entail"

Connected through hyperedge HE-7 (induced by source paper "asp for minimal entailment in a rational extension of sroel"):
  with members:
    - "optimizing the computation of overriding"
    - "defeasible inclusions in low complexity dls"
    - "the complexity of circumscription in description logic"
    - "what does a conditional knowledge base entail"
    - "nonmonotonic reasoning preferential models and cumulative logics"

Connected through hyperedge HE-8 (induced by source paper "a strengthening of rational closure in dls reasoning about multiple aspects"):
  with members:
    - "the complexity of circumscription in description logic"
    - "what does a conditional knowledge base entail"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.AI(Artificial Intelligence)