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: "a separation logic for concurrent randomized programs"
  Abstract: We present a concurrent separation logic with support for probabilistic reasoning. As part of our logic, we extend the idea of coupling, which underlies recent work on probabilistic relational logics, to the setting of programs with both probabilistic and non-deterministic choice. To demonstrate our logic, we verify a variant of a recent randomized concurrent counter algorithm. All of our results have been mechanized in Coq.

Connected through hyperedge HE-1 (induced by source paper "a probabilistic separation logic"):
  with members:
    - "quantitative separation logic a logic for reasoning about probabilistic pointer programs"
    - "more is less perfectly secure oblivious algorithms in the multi server setting"
    - "an assertion based program logic for probabilistic programs"
    - "the beta bernoulli process and algebraic effects"
    - "a domain theory for statistical probabilistic programming"
    - "measurable cones and stable measurable functions a model for probabilistic higher order programming"
    - "proving uniformity and independence by self composition and coupling"
    - "a language for probabilistically oblivious computation"

Connected through hyperedge HE-2 (induced by source paper "quantitative separation logic a logic for reasoning about probabilistic pointer programs"):
  with members:
    - "an assertion based program logic for probabilistic programs"
    - "quantitative separation logic"
    - "bounded expectations resource analysis for probabilistic programs"
    - "a new proof rule for almost sure termination"
    - "weakest precondition reasoning for expected run times of probabilistic programs"
    - "reasoning about recursive probabilistic programs"
    - "amortised resource analysis with separation logic"

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)