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: "skeletal semantics and their interpretations"
  Abstract: The development of mechanised language specification based on structured operational semantics, with#R##N#applications to verified compilers and sound program analysis, requires huge effort. General theory and#R##N#frameworks have been proposed to help with this effort. However, none of this work provides a systematic way#R##N#of developing concrete and abstract semantics, connected together by a general consistency result. We introduce#R##N#a skeletal semantics of a language, where each skeleton describes the complete semantic behaviour of a language#R##N#construct. We define a general notion of interpretation, which provides a systematic and language-independent#R##N#way of deriving semantic judgements from the skeletal semantics. We explore four generic interpretations: a#R##N#simple well-formedness interpretation; a concrete interpretation; an abstract interpretation; and a constraint#R##N#generator for flow-sensitive analysis. We prove general consistency results between interpretations, depending#R##N#only on simple language-dependent lemmas. We illustrate our ideas using a simple While language.

Connected through hyperedge HE-1 (induced by source paper "gillian compositional symbolic execution for all"):
  with members:
    - "a survey of symbolic execution techniques"

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.PL(Programming Languages)