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: "utility maximization framework for opportunistic wireless electric vehicle charging"
  Abstract: The advancements in Electric Vehicle (EV) wireless charging technology have initiated substantial research on the optimal deployment of Wireless Charging Units (WCU) for dynamic charging or Charging While Driving (CWD) applications. This study presents a novel framework, named as the Simulation-based Utility Maximization of Wireless Charging (SUM-WC), which aims to maximize the utility of WCUs for EV charging through the optimal WCU deployment using the concept of opportunistic CWD at signalized intersections. At first, a calibrated traffic micro-simulation network of the area of interest is required for this framework. The calibrated traffic network is used to create the utility function and control delay function for each selected lane at the selected intersections of the road network. The lanes are selected based on their potential to charge EVs. An optimization problem is formulated using the utility and control delay functions, where the objective is to maximize the utility of WCUs, and the decision variables are location and length of WCUs and traffic signal timing. The constraints of the optimization formulation are budget, locations, minimum green signal times and acceptable Level of Service (LOS). A global solution is achieved for this optimization problem using the Genetic Algorithm. The optimized utility is compared with other deployment schemes, such as deployment following betweenness centrality and placement at lane with the highest traffic volume. SUM-WC framework achieves at least 1.5 times more utility per hour than these other deployment schemes.

Connected through hyperedge HE-1 (induced by source paper "centralities for networks with consumable resources"):
  with members:
    - "relaxation based coarsening for multilevel hypergraph partitioning"
    - "generating realistic scaled complex networks"
    - "lurking in social networks topology based analysis and ranking methods"
    - "rethinking centrality the role of dynamical processes in social network analysis"
    - "multiscale network generation"

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)