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: "disjunctive logic programs with inheritance"
  Abstract: The paper proposes a new knowledge representation language, called DLP<, which extends disjunctive logic programming (with strong negation) by inheritance. The addition of inheritance enhances the knowledge modeling features of the language providing a natural representation of default reasoning with exceptions. A declarative model-theoretic semantics of DLP< is provided, which is shown to generalize the Answer Set Semantics of disjunctive logic programs. The knowledge modeling features of the language are illustrated by encoding classical nonmonotonic problems in DLP<. The complexity of DLP< is analyzed, proving that inheritance does not cause any computational overhead, as reasoning in DLP< has exactly the same complexity as reasoning in disjunctive logic programming. This is confirmed by the existence of an efficient translation from DLP< to plain disjunctive logic programming. Using this translation, an advanced KR system supporting the DLP< language has been implemented on top of the DLV system and has subsequently been integrated into DLV.

Connected through hyperedge HE-1 (induced by source paper "characterizing and extending answer set semantics using possibility theory"):
  with members:
    - "possibilistic answer set programming revisited"
    - "semantics for possibilistic disjunctive programs"
    - "revisiting epistemic specifications"
    - "epistemic foundation of stable model semantics"
    - "logic programming with ordered disjunction"

Connected through hyperedge HE-2 (induced by source paper "the dlv system for knowledge representation and reasoning"):
  with members:
    - "unfolding partiality and disjunctions in stable model semantics"
    - "answer set planning under action costs"
    - "a logic programming approach to knowledge state planning ii the dlv k system"
    - "computing preferred answer sets by meta interpretation in answer set programming"
    - "a polynomial translation of logic programs with nested expressions into disjunctive logic programs preliminary report"
    - "on properties of update sequences based on causal rejection"
    - "propositional satisfiability in answer set programming"
    - "dlv a system for declarative problem solving"

Connected through hyperedge HE-3 (induced by source paper "preferred answer sets for ordered logic programs"):
  with members:
    - "logic programming with ordered disjunction"
    - "logic programs with compiled preferences"

Connected through hyperedge HE-4 (induced by source paper "an abductive framework for computing knowledge base updates"):
  with members:
    - "stable models and an alternative logic programming paradigm"

Connected through hyperedge HE-5 (induced by source paper "default reasoning over domains and concept hierarchies"):
  with members:
    - "formal concept analysis and resolution in algebraic domains"

Connected through hyperedge HE-6 (induced by source paper "a semantic framework for preference handling in answer set programming"):
  with members:
    - "a framework for compiling preferences in logic programs"
    - "preferred well founded semantics for logic programming by alternating fixpoints preliminary report"
    - "logic programs with compiled preferences"
    - "well founded semantics for extended logic programs with dynamic preferences"

Connected through hyperedge HE-7 (induced by source paper "preferred well founded semantics for logic programming by alternating fixpoints preliminary report"):
  with members:
    - "logic programs with compiled preferences"
    - "representation results for defeasible logic"
    - "a flexible framework for defeasible logics"
    - "well founded semantics for extended logic programs with dynamic preferences"

Connected through hyperedge HE-8 (induced by source paper "using methods of declarative logic programming for intelligent information agents"):
  with members:
    - "information integration and computational logic"
    - "logic programs with compiled preferences"
    - "a compiler for ordered logic programs"
    - "declarative representation of revision strategies"
    - "probabilistic agent programs"
    - "well founded semantics for extended logic programs with dynamic preferences"

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.LO(Logic in Computer Science)