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: "distributed user association in energy harvesting small cell networks a probabilistic bandit model"
  Abstract: We investigate a distributed downlink user association problem in a dynamic small cell network, where every small base station (SBS) obtains its required energy through ambient energy harvesting. On the one hand, energy harvesting is inherently opportunistic, so that the amount of available energy is a random variable. On the other hand, users arrive at random and require different wireless services, rendering the energy consumption a random variable. In this paper, we develop a probabilistic framework to mathematically model and analyze the random behavior of energy harvesting and energy consumption. We further analyze the probability of QoS satisfaction (success probability), for each user with respect to every SBS. The proposed user association scheme is distributed in the sense that every user independently selects its corresponding SBS with the success probability serving as the performance metric. The success probability however depends on a variety of random factors such as energy harvesting, channel quality, and network traffic, whose distribution or statistical characteristics might not be known at users. Since acquiring the knowledge of these random variables (even statistical) is very costly in a dense network, we develop a bandit-theoretical formulation for distributed SBS selection when no prior information is available at users. The performance is analyzed both theoretically and numerically.

Connected through hyperedge HE-1 (induced by source paper "energy efficient optimization of wireless powered 5g full duplex cellular networks a mean field game approach"):
  with members:
    - "tradeoff between delay and physical layer security in wireless networks"
    - "ultra dense small cell networks turning density into energy efficiency"
    - "toward a tractable delay analysis in ultra dense networks"
    - "fronthauling for 5g lte u ultra dense cloud small cell networks"
    - "heterogeneous cellular networks with spatio temporal traffic delay analysis and scheduling"
    - "5g ultra dense cellular networks"
    - "energy harvesting small cell networks feasibility deployment and operation"
    - "mean field energy games in wireless networks"

Connected through hyperedge HE-2 (induced by source paper "sleeping multi armed bandit learning for fast uplink grant allocation in machine type communications"):
  with members:
    - "fast uplink grant for machine type communications challenges and opportunities"
    - "deep learning for signal authentication and security in massive internet of things systems"
    - "random access schemes in wireless systems with correlated user activity"
    - "deep learning for reliable mobile edge analytics in intelligent transportation systems"
    - "virtual reality over wireless networks quality of service model and learning based resource management"
    - "deep learning based dynamic watermarking for secure signal authentication in the internet of things"
    - "cognitive hierarchy theory for distributed resource allocation in the internet of things"
    - "grant free massive noma outage probability and throughput"

Connected through hyperedge HE-3 (induced by source paper "wireless optimisation via convex bandits unlicensed lte wifi coexistence"):
  with members:
    - "introduction to online convex optimization"
    - "fair coexistence of scheduled and random access wireless networks unlicensed lte wifi"
    - "multi armed bandits with application to 5g small cells"
    - "kernel based methods for bandit convex optimization"
    - "an optimal algorithm for bandit convex optimization"
    - "analysis and optimization of caching and multicasting in large scale cache enabled heterogeneous wireless networks"
    - "combinatorial bandits revisited"
    - "unlicensed lte wifi coexistence is lbt inherently fairer than csat"

Connected through hyperedge HE-4 (induced by source paper "distributed task management in cyber physical systems how to cooperate under uncertainty"):
  with members:
    - "distributed user association in energy harvesting small cell networks an exchange economy with uncertainty"
    - "minority games with applications to distributed decision making and control in wireless networks"
    - "distributed channel assignment in cognitive radio networks stable matching and walrasian equilibrium"
    - "secondary spectrum auctions for markets with communication constraints"
    - "stackelberg contention games in multiuser networks"

Connected through hyperedge HE-5 (induced by source paper "distributed user association in energy harvesting small cell networks an exchange economy with uncertainty"):
  with members:
    - "distributed user association in energy harvesting dense small cell networks a mean field multi armed bandit approach"
    - "user association in 5g networks a survey and an outlook"
    - "cooperative interference mitigation and handover management for heterogeneous cloud small cell networks"
    - "optimizing user association and spectrum allocation in hetnets a utility perspective"
    - "distributed channel assignment in cognitive radio networks stable matching and walrasian equilibrium"
    - "a context aware matching game for user association in wireless small cell networks"
    - "matching theory for priority based cell association in the downlink of wireless small cell networks"
    - "a traffic load balancing framework for software defined radio access networks powered by hybrid energy sources"

Connected through hyperedge HE-6 (induced by source paper "distributed user association in energy harvesting dense small cell networks a mean field multi armed bandit approach"):
  with members:
    - "distributed wireless power transfer with energy feedback"
    - "distributed user association in energy harvesting small cell networks an exchange economy with uncertainty"
    - "multi armed bandits with application to 5g small cells"
    - "user association in 5g networks a survey and an outlook"
    - "optimum transmission policies for energy harvesting sensor networks powered by a mobile control center"
    - "sum rate maximizing cell association via dual connectivity"
    - "multicast aware caching for small cell networks"
    - "evolution toward 5g multi tier cellular wireless networks an interference management perspective"

Connected through hyperedge HE-7 (induced by source paper "power availability aware cell association for energy harvesting small cell base stations"):
  with members:
    - "distributed user association in energy harvesting small cell networks an exchange economy with uncertainty"
    - "distributed multi relay selection in accumulate then forward energy harvesting relay networks"
    - "user association in 5g networks a survey and an outlook"
    - "online ski rental for on off scheduling of energy harvesting base stations"
    - "a survey of energy efficient techniques for 5g networks and challenges ahead"
    - "ambient rf energy harvesting in ultra dense small cell networks performance and trade offs"
    - "millimeter wave energy harvesting"
    - "relay selection in wireless powered cooperative networks with energy storage"

Connected through hyperedge HE-8 (induced by source paper "online ski rental for on off scheduling of energy harvesting base stations"):
  with members:
    - "dynamic clustering and on off strategies for wireless small cell networks"
    - "gate greening at the edges"
    - "millimeter wave cellular networks a mac layer perspective"
    - "energy harvesting small cell networks feasibility deployment and operation"
    - "5g wireless backhaul networks challenges and research advances"
    - "dynamic clustering and sleep mode strategies for small cell networks"
    - "millimeter wave cellular wireless networks potentials and challenges"
    - "base station sleeping and resource allocation in renewable energy powered cellular 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.IT(Information Theory)