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: "caching at the edge a green perspective for 5g networks"
  Abstract: Endowed with context-awareness and proactive capabilities, caching users' content locally at the edge of the network is able to cope with increasing data traffic demand in 5G wireless networks. In this work, we focus on the energy consumption aspects of cache-enabled wireless cellular networks, specifically in terms of area power consumption (APC) and energy efficiency (EE). We assume that both base stations (BSs) and mobile users are distributed according to homogeneous Poisson point processes (PPPs) and we introduce a detailed power model that takes into account caching. We study the conditions under which the area power consumption is minimized with respect to BS transmit power, while ensuring a certain quality of service (QoS) in terms of coverage probability. Furthermore, we provide the optimal BS transmit power that maximizes the area spectral efficiency per unit total power spent. The main takeaway of this paper is that caching seems to be an energy efficient solution.

Connected through hyperedge HE-1 (induced by source paper "tile based joint caching and delivery of 360 o videos in heterogeneous networks"):
  with members:
    - "cost effective cache deployment in mobile heterogeneous networks"
    - "edge caching wireless networks performance analysis and optimization"
    - "multi stream switching for interactive virtual reality video streaming"
    - "understanding performance of edge content caching for mobile video streaming"
    - "caching at the wireless edge design aspects challenges and future directions"

Connected through hyperedge HE-2 (induced by source paper "mean field game theoretic edge caching in ultra dense networks"):
  with members:
    - "ultra dense edge caching under spatio temporal demand and network dynamics"
    - "spatially correlated content caching for device to device communications"
    - "ultra dense small cell networks turning density into energy efficiency"
    - "fundamental storage latency tradeoff in cache aided mimo interference networks"
    - "caching in wireless small cell networks a storage bandwidth tradeoff"
    - "wireless content caching for small cell and d2d networks"
    - "tractable resource management with uplink decoupled millimeter wave overlay in ultra dense cellular networks"
    - "mean field games for distributed caching in ultra dense small cell networks"

Connected through hyperedge HE-3 (induced by source paper "leveraging edge caching in noma systems with qos requirements"):
  with members:
    - "a fair power allocation approach to noma in multiuser siso systems"
    - "a new noma approach for fair power allocation"
    - "living on the edge the role of proactive caching in 5g wireless networks"

Connected through hyperedge HE-4 (induced by source paper "the 5g cellular backhaul management dilemma to cache or to serve"):
  with members:
    - "inter operator resource management for millimeter wave multi hop backhaul networks"
    - "on the tradeoff between energy harvesting and caching in wireless networks"
    - "optimal dynamic multicast scheduling for cache enabled content centric wireless networks"
    - "optimal geographic caching in cellular networks"
    - "matching theory for backhaul management in small cell networks with mmwave capabilities"
    - "multicast aware caching for small cell networks"
    - "what will 5g be"
    - "living on the edge the role of proactive caching in 5g wireless networks"

Connected through hyperedge HE-5 (induced by source paper "energy efficiency in cache enabled small cell networks with adaptive user clustering"):
  with members:
    - "caching in the sky proactive deployment of cache enabled unmanned aerial vehicles for optimized quality of experience"
    - "cluster content caching an energy efficient approach to improve quality of service in cloud radio access networks"
    - "caching improvement using adaptive user clustering"
    - "energy efficiency of downlink networks with caching at base stations"
    - "greendelivery proactive content caching and push with energy harvesting based small cells"
    - "on the benefits of edge caching for mimo interference alignment"
    - "optimal geographic caching in cellular networks"
    - "modeling and analysis of content caching in wireless small cell networks"

Connected through hyperedge HE-6 (induced by source paper "ultra dense edge caching under spatio temporal demand and network dynamics"):
  with members:
    - "ultra dense small cell networks turning density into energy efficiency"
    - "fundamental storage latency tradeoff in cache aided mimo interference networks"
    - "caching in wireless small cell networks a storage bandwidth tradeoff"
    - "wireless content caching for small cell and d2d networks"
    - "tractable resource management with uplink decoupled millimeter wave overlay in ultra dense cellular networks"
    - "mean field games for distributed caching in ultra dense small cell networks"
    - "user centric mobility management in ultra dense cellular networks under spatio temporal dynamics"
    - "optimizing mds codes for caching at the edge"

Connected through hyperedge HE-7 (induced by source paper "feedback aided coded caching for the miso bc with small caches"):
  with members:
    - "optimal sum dof of the k user miso bc with current and delayed feedback"
    - "the synergistic gains of coded caching and delayed feedback"
    - "information theoretic caching sequential coding for computing"
    - "joint cache channel coding over erasure broadcast channels"
    - "critical database size for effective caching"
    - "on the benefits of edge caching for mimo interference alignment"
    - "finite length analysis of caching aided coded multicasting"
    - "a transfer learning approach for cache enabled wireless networks"

Connected through hyperedge HE-8 (induced by source paper "wireless caching technical misconceptions and business barriers"):
  with members:
    - "cooperative caching and transmission design in cluster centric small cell networks"
    - "placing dynamic content in caches with small population"
    - "multi library coded caching"
    - "content centric sparse multicast beamforming for cache enabled cloud ran"
    - "analysis on cache enabled wireless heterogeneous networks"
    - "order optimal rate of caching and coded multicasting with random demands"
    - "optimizing mds codes for caching at the edge"
    - "optimal geographic caching in 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)