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: "doubly robust off policy evaluation with shrinkage"
  Abstract: We design a new family of estimators for off-policy evaluation in contextual bandits. Our estimators are based on the asymptotically optimal approach of doubly robust estimation, but they shrink importance weights to obtain a better bias-variance tradeoff in finite samples. Our approach adapts importance weights to the quality of a reward predictor, interpolating between doubly robust estimation and direct modeling. When the reward predictor is poor, we recover previously studied weight clipping, but when the reward predictor is good, we obtain a new form of shrinkage. To navigate between these regimes and tune the shrinkage coefficient, we design a model selection procedure, which we prove is never worse than the doubly robust estimator. Extensive experiments on bandit benchmark problems show that our estimators are highly adaptive and typically outperform state-of-the-art methods.

Connected through hyperedge HE-1 (induced by source paper "q star approximation schemes for batch reinforcement learning a theoretical comparison"):
  with members:
    - "sample optimal parametric q learning using linearly additive features"
    - "minimax weight and q function learning for off policy evaluation"
    - "optimality and approximation with policy gradient methods in markov decision processes"
    - "information theoretic considerations in batch reinforcement learning"
    - "a kernel loss for solving the bellman equation"
    - "sbeed convergent reinforcement learning with nonlinear function approximation"
    - "is the bellman residual a bad proxy"
    - "contextual decision processes with low bellman rank are pac learnable"

Connected through hyperedge HE-2 (induced by source paper "adaptive estimator selection for off policy evaluation"):
  with members:
    - "empirical study of off policy policy evaluation for reinforcement learning"
    - "breaking the curse of horizon infinite horizon off policy estimation"
    - "more robust doubly robust off policy evaluation"
    - "data efficient off policy policy evaluation for reinforcement learning"
    - "safe and efficient off policy reinforcement learning"
    - "off policy evaluation for slate recommendation"
    - "doubly robust off policy value evaluation for reinforcement learning"

Connected through hyperedge HE-3 (induced by source paper "triply robust off policy evaluation"):
  with members:
    - "counterfactual off policy evaluation with gumbel max structural causal models"
    - "robust regression for safe exploration in control"
    - "optimal off policy evaluation for reinforcement learning with marginalized importance sampling"
    - "batch policy learning under constraints"
    - "robust covariate shift prediction with general losses and feature views"
    - "doubly robust off policy value evaluation for reinforcement learning"
    - "hierarchical exploration for accelerating contextual bandits"
    - "a contextual bandit approach to personalized news article recommendation"

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.LG(Machine Learning)