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 general framework for the optimization of energy harvesting communication systems with battery imperfections"
  Abstract: Energy harvesting has emerged as a powerful technology for complementing current battery-powered communication systems in order to extend their lifetime. In this paper a general framework is introduced for the optimization of communication systems in which the transmitter is able to harvest energy from its environment. Assuming that the energy arrival process is known non-causally at the transmitter, the structure of the optimal transmission scheme, which maximizes the amount of transmitted data by a given deadline, is identified. Our framework includes models with continuous energy arrival as well as battery constraints. A battery that suffers from energy leakage is studied further, and the optimal transmission scheme is characterized for a constant leakage rate.

Connected through hyperedge HE-1 (induced by source paper "on the energy and data storage management in energy harvesting wireless communications"):
  with members:
    - "robust design of ac computing enabled receiver architecture for swipt networks"
    - "optimal policies for wireless networks with energy harvesting transmitters and receivers effects of decoding costs"
    - "energy harvesting wireless communications a review of recent advances"
    - "delay optimal scheduling for energy harvesting based communications"
    - "optimal scheduling for energy harvesting transmitters with hybrid energy storage"
    - "capacity of fading gaussian channel with an energy harvesting sensor node"
    - "optimal energy allocation for wireless communications with energy harvesting constraints"
    - "transmission with energy harvesting nodes in fading wireless channels optimal policies"

Connected through hyperedge HE-2 (induced by source paper "energy harvesting wireless networks with correlated energy sources"):
  with members:
    - "distributed opportunistic scheduling for energy harvesting based wireless networks a two stage probing approach"
    - "multi access communications with energy harvesting a multi armed bandit model and the optimality of the myopic policy"
    - "a learning theoretic approach to energy harvesting communication system optimization"
    - "optimal packet scheduling on an energy harvesting broadcast link"

Connected through hyperedge HE-3 (induced by source paper "channel sensing and communication over a time correlated channel with an energy harvesting transmitter"):
  with members:
    - "energy harvesting wireless networks with correlated energy sources"
    - "distributed opportunistic scheduling for energy harvesting based wireless networks a two stage probing approach"
    - "optimization of energy harvesting miso communication system with feedback"
    - "multi access communications with energy harvesting a multi armed bandit model and the optimality of the myopic policy"
    - "universally near optimal online power control for energy harvesting nodes"
    - "stability analysis of slotted aloha with opportunistic rf energy harvesting"
    - "data driven stochastic models and policies for energy harvesting sensor communications"
    - "a learning theoretic approach to energy harvesting communication system optimization"

Connected through hyperedge HE-4 (induced by source paper "energy harvesting communications under explicit and implicit temperature constraints"):
  with members:
    - "energy harvesting transmitters that heat up throughput maximization under temperature constraints"
    - "optimal policies for wireless networks with energy harvesting transmitters and receivers effects of decoding costs"
    - "iterative dynamic water filling for fading multiple access channels with energy harvesting"
    - "energy harvesting two hop communication networks"
    - "energy harvesting broadband communication systems with processing energy cost"
    - "throughput maximization for the gaussian relay channel with energy harvesting constraints"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "on channels with action dependent states"

Connected through hyperedge HE-5 (induced by source paper "reconstruction of correlated sources with energy harvesting constraints in delay constrained and delay tolerant communication scenarios"):
  with members:
    - "energy harvesting wireless communications a review of recent advances"
    - "a general utility optimization framework for energy harvesting based wireless communications"
    - "dynamic compression transmission for energy harvesting multihop networks with correlated sources"
    - "optimal power allocation for energy harvesting and power grid coexisting wireless communication systems"
    - "energy neutral source channel coding with battery and memory size constraints"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "energy management policies for energy neutral source channel coding"
    - "transmission with energy harvesting nodes in fading wireless channels optimal policies"

Connected through hyperedge HE-6 (induced by source paper "energy harvesting communication using finite capacity batteries with internal resistance"):
  with members:
    - "online power control optimization for wireless transmission with energy harvesting and storage"
    - "energy harvesting wireless communications a review of recent advances"
    - "energy harvesting broadband communication systems with processing energy cost"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "optimal save then transmit protocol for energy harvesting wireless transmitters"
    - "optimal energy allocation for wireless communications with energy harvesting constraints"
    - "transmission with energy harvesting nodes in fading wireless channels optimal policies"
    - "optimum transmission policies for battery limited energy harvesting nodes"

Connected through hyperedge HE-7 (induced by source paper "throughput maximization for wireless powered communications harvesting from non dedicated sources"):
  with members:
    - "some new research trends in wirelessly powered communications"
    - "spatial throughput maximization of wireless powered communication networks"
    - "energy harvesting two hop communication networks"
    - "outage probability of energy harvesting relay aided cooperative networks over rayleigh fading channel"
    - "throughput maximization in wireless powered communication networks"

Connected through hyperedge HE-8 (induced by source paper "stochastic online control for energy harvesting wireless networks with battery imperfections"):
  with members:
    - "energy harvesting broadband communication systems with processing energy cost"
    - "throughput maximization for the gaussian relay channel with energy harvesting constraints"
    - "a learning theoretic approach to energy harvesting communication system optimization"
    - "optimal scheduling and power allocation for two hop energy harvesting communication systems"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "optimal save then transmit protocol for energy harvesting wireless transmitters"
    - "broadcasting with an energy harvesting rechargeable transmitter"
    - "sum rate optimal power policies for energy harvesting transmitters in an interference channel"

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)