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: "afra argumentation framework with recursive attacks"
  Abstract: The issue of representing attacks to attacks in argumentation is receiving an increasing attention as a useful conceptual modelling tool in several contexts. In this paper we present AFRA, a formalism encompassing unlimited recursive attacks within argumentation frameworks. AFRA satisfies the basic requirements of definition simplicity and rigorous compatibility with Dung's theory of argumentation. This paper provides a complete development of the AFRA formalism complemented by illustrative examples and a detailed comparison with other recursive attack formalizations.

Connected through hyperedge HE-1 (induced by source paper "epistemic graphs for representing and reasoning with positive and negative influences of arguments"):
  with members:
    - "empirical evaluation of abstract argumentation supporting the need for bipolar and probabilistic approaches"
    - "a comparative study of ranking based semantics for abstract argumentation"
    - "winning arguments interaction dynamics and persuasion strategies in good faith online discussions"
    - "argument ranking with categoriser function"
    - "graduality in argumentation"
    - "probabilistic default reasoning with conditional constraints"

Connected through hyperedge HE-2 (induced by source paper "a tutorial for weighted bipolar argumentation with continuous dynamical systems and the java library attractor"):
  with members:
    - "modular semantics and characteristics for bipolar weighted argumentation graphs"
    - "graduality in argumentation"

Connected through hyperedge HE-3 (induced by source paper "a labelling framework for probabilistic argumentation"):
  with members:
    - "formulating semantics of probabilistic argumentation by characterizing subgraphs theory and empirical results"
    - "probabilistic argumentation an equational approach"
    - "probabilistic argumentation with epistemic extensions and incomplete information"
    - "chr prism based probabilistic logic learning"

Connected through hyperedge HE-4 (induced by source paper "abstract argumentation persuasion dynamics"):
  with members:
    - "bipolarity in temporal argumentation frameworks"
    - "coalition formability semantics with conflict eliminable sets of arguments"
    - "change in abstract argumentation frameworks adding an argument"

Connected through hyperedge HE-5 (induced by source paper "empirical evaluation of abstract argumentation supporting the need for bipolar and probabilistic approaches"):
  with members:
    - "argument strength is in the eye of the beholder audience effects in persuasion"
    - "a comparative study of ranking based semantics for abstract argumentation"
    - "probabilistic argumentation with epistemic extensions and incomplete information"

Connected through hyperedge HE-6 (induced by source paper "properties of aba for non monotonic reasoning"):
  with members:
    - "a general account of argumentation with preferences"
    - "abduction and dialogical proof in argumentation and logic programming"
    - "change in abstract argumentation frameworks adding an argument"
    - "nonmonotonic reasoning preferential models and cumulative logics"
    - "complexity of prioritized default logics"

Connected through hyperedge HE-7 (induced by source paper "characterizing realizability in abstract argumentation"):
  with members:
    - "improved answer set programming encodings for abstract argumentation"
    - "compact argumentation frameworks"
    - "stable models and an alternative logic programming paradigm"

Connected through hyperedge HE-8 (induced by source paper "proceedings of the first international workshop on argumentation in logic programming and non monotonic reasoning arg lpnmr 2016"):
  with members:
    - "extension based semantics of abstract dialectical frameworks"

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)