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: "value based argumentation frameworks"
  Abstract: This paper introduces the notion of value-based argumentation frameworks, an extension of the standard argumentation frameworks proposed by Dung, which are able toshow how rational decision is possible in cases where arguments derive their force from the social values their acceptance would promote.

Connected through hyperedge HE-1 (induced by source paper "enumeration of preferred extensions in almost oriented digraphs"):
  with members:
    - "exact algorithms via multivariate subroutines"
    - "exact algorithms via monotone local search"
    - "computing preferred extensions in abstract argumentation a sat based approach"

Connected through hyperedge HE-2 (induced by source paper "impact of argument type and concerns in argumentation with a chatbot"):
  with members:
    - "argument harvesting using chatbots"
    - "personalized emphasis framing for persuasive message generation"

Connected through hyperedge HE-3 (induced by source paper "a bayesian approach to direct and inverse abstract argumentation problems"):
  with members:
    - "textual entailment with structured attentions and composition"
    - "a large annotated corpus for learning natural language inference"

Connected through hyperedge HE-4 (induced by source paper "an implementation empirical evaluation and proposed improvement for bidirectional splitting method for argumentation frameworks under stable semantics"):
  with members:
    - "on the acceptability of arguments in preference based argumentation"

Connected through hyperedge HE-5 (induced by source paper "an approach to characterize graded entailment of arguments through a label based framework"):
  with members:
    - "on the acceptability of arguments in preference based argumentation"
    - "a logic programming framework for possibilistic argumentation with vague knowledge"
    - "graduality in argumentation"

Connected through hyperedge HE-6 (induced by source paper "graduality in argumentation"):
  with members:
    - "on the acceptability of arguments in preference based argumentation"

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)