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: "edge contraction pooling for graph neural networks"
  Abstract: Graph Neural Network (GNN) research has concentrated on improving convolutional layers, with little attention paid to developing graph pooling layers. Yet pooling layers can enable GNNs to reason over abstracted groups of nodes instead of single nodes. To close this gap, we propose a graph pooling layer relying on the notion of edge contraction: EdgePool learns a localized and sparse hard pooling transform. We show that EdgePool outperforms alternative pooling methods, can be easily integrated into most GNN models, and improves performance on both node and graph classification.

Connected through hyperedge HE-1 (induced by source paper "memory based graph networks"):
  with members:
    - "mincut pooling in graph neural networks"
    - "clique pooling for graph classification"
    - "graph u nets"
    - "generating diverse high fidelity images with vq vae 2"
    - "relational graph representation learning for open domain question answering"
    - "self attention graph pooling"
    - "unsupervised multi task feature learning on point clouds"
    - "large memory layers with product keys"

Connected through hyperedge HE-2 (induced by source paper "few shot graph classification with model agnostic meta learning"):
  with members:
    - "hierarchical graph pooling with structure learning"
    - "understanding attention and generalization in graph neural networks"
    - "learning to propagate for graph meta learning"
    - "graph u nets"
    - "edge labeling graph neural network for few shot learning"
    - "self attention graph pooling"
    - "meta learning with latent embedding optimization"
    - "how to train your maml"

Connected through hyperedge HE-3 (induced by source paper "a dynamic reduction network for point clouds"):
  with members:
    - "self attention graph pooling"
    - "fast graph representation learning with pytorch geometric"
    - "dynamic graph cnn for learning on point clouds"
    - "decoupled weight decay regularization"
    - "neural message passing for quantum chemistry"
    - "geometric deep learning going beyond euclidean data"
    - "geometric deep learning on graphs and manifolds using mixture model cnns"

Connected through hyperedge HE-4 (induced by source paper "hierarchical representation learning in graph neural networks with node decimation pooling"):
  with members:
    - "mincut pooling in graph neural networks"
    - "understanding attention and generalization in graph neural networks"
    - "graph neural networks with convolutional arma filters"
    - "towards interpretable sparse graph representation learning with laplacian pooling"
    - "clique pooling for graph classification"
    - "graph u nets"
    - "a non negative factorization approach to node pooling in graph convolutional neural networks"
    - "hierarchical graph representation learning with differentiable pooling"

Connected through hyperedge HE-5 (induced by source paper "hierarchical graph pooling with structure learning"):
  with members:
    - "learning graph pooling and hybrid convolutional operations for text representations"
    - "graph convolutional networks with eigenpooling"
    - "graph u nets"
    - "self attention graph pooling"
    - "ipool information based pooling in hierarchical graph neural networks"
    - "graph neural networks a review of methods and applications"
    - "graph convolutional neural networks for web scale recommender systems"
    - "adaptive graph convolutional neural networks"

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)