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: "decentralized caching for content delivery based on blockchain a game theoretic perspective"
  Abstract: Blockchains enables tamper-proof, ordered logging for transactional data in a decentralized manner over open-access, overlay peer-to-peer networks. In this paper, we propose a decentralized framework of proactive caching in a hierarchical wireless network based on blockchains. We employ the blockchain-based smart contracts to construct an autonomous content caching market. In the market, the cache helpers are able to autonomously adapt their caching strategies according to the market statistics obtained from the blockchain, and the truthfulness of trustless nodes are financially enforced by smart contract terms. Further, we propose an incentive-compatible consensus mechanism based on proof-of-stake to financially encourage the cache helpers to stay active in service. We model the interaction between the cache helpers and the content providers as a Chinese restaurant game. Based on the theoretical analysis regarding the Nash equilibrium of the game, we propose a decentralized strategy-searching algorithm using sequential best response. The simulation results demonstrate both the efficiency and reliability of the proposed equilibrium searching algorithm.

Connected through hyperedge HE-1 (induced by source paper "the design of dynamic probabilistic caching with time varying content popularity"):
  with members:
    - "cost effective cache deployment in mobile heterogeneous networks"
    - "caching policy toward maximal success probability and area spectral efficiency of cache enabled hetnets"
    - "a survey on low latency towards 5g ran core network and caching solutions"
    - "wireless device to device caching networks basic principles and system performance"
    - "optimization and analysis of probabilistic caching in n tier heterogeneous networks"
    - "cache enabled heterogeneous cellular networks optimal tier level content placement"
    - "optimal geographic caching in cellular networks"
    - "least recently used caches under the shot noise model"

Connected through hyperedge HE-2 (induced by source paper "a survey on consensus mechanisms and mining strategy management in blockchain networks"):
  with members:
    - "decentralization in bitcoin and ethereum networks"
    - "information and communications technologies for sustainable development goals state of the art needs and perspectives"
    - "a scale out blockchain for value transfer with spontaneous sharding"
    - "a survey on security and privacy issues of bitcoin"
    - "on cyber risk management of blockchain networks a game theoretic approach"
    - "scaling nakamoto consensus to thousands of transactions per second"
    - "competitive data trading in wireless powered internet of things iot crowdsensing systems with blockchain"
    - "blockchained on device federated learning"

Connected through hyperedge HE-3 (induced by source paper "deep reinforcement learning for adaptive caching in hierarchical content delivery networks"):
  with members:
    - "joint switch upgrade and controller deployment in hybrid software defined networks"
    - "bandit online learning with unknown delays"
    - "optimal and scalable caching for 5g using reinforcement learning of space time popularities"
    - "applications of deep reinforcement learning in communications and networking a survey"
    - "deep reinforcement learning based mode selection and resource management for green fog radio access networks"
    - "a reinforcement learning approach to proactive caching in wireless networks"
    - "deep reinforcement learning a brief survey"
    - "a deep reinforcement learning based framework for content caching"

Connected through hyperedge HE-4 (induced by source paper "deep multi agent reinforcement learning based cooperative edge caching in wireless networks"):
  with members:
    - "learning based delay aware caching in wireless d2d caching networks"
    - "a deep reinforcement learning based framework for content caching"
    - "multi agent actor critic for mixed cooperative competitive environments"
    - "learning to communicate with deep multi agent reinforcement learning"
    - "optimal dynamic multicast scheduling for cache enabled content centric wireless networks"

Connected through hyperedge HE-5 (induced by source paper "blockchain based content delivery networks content transparency meets user privacy"):
  with members:
    - "edge caching wireless networks performance analysis and optimization"
    - "living on the edge the role of proactive caching in 5g wireless networks"
    - "measures of distributional similarity"

Connected through hyperedge HE-6 (induced by source paper "on cyber risk management of blockchain networks a game theoretic approach"):
  with members:
    - "a survey on security and privacy issues of bitcoin"
    - "double spend races"
    - "an empirical analysis of smart contracts platforms applications and design patterns"
    - "untangling blockchain a data processing view of blockchain systems"
    - "bitcoin ng a scalable blockchain protocol"
    - "analysis of hashrate based double spending"
    - "real and complex monotone communication games"

Connected through hyperedge HE-7 (induced by source paper "a framework for blockchain based applications"):
  with members:
    - "casper the friendly finality gadget"

Connected through hyperedge HE-8 (induced by source paper "cloud fog computing resource management and pricing for blockchain networks"):
  with members:
    - "a survey on consensus mechanisms and mining strategy management in blockchain networks"
    - "a survey on security and privacy issues of bitcoin"
    - "on cyber risk management of blockchain networks a game theoretic approach"
    - "performance analysis and application of mobile blockchain"
    - "when mobile blockchain meets edge computing"
    - "optimal pricing based edge computing resource management in mobile blockchain"
    - "hardening stratum the bitcoin pool mining protocol"
    - "enorm a framework for edge node resource management"

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.NI(Networking and Internet Architecture)