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 restoring of barrier coverage in wireless sensor networks using limited mobility sensors"
  Abstract: Coverage problem in sensor network ensures quality of monitoring of a given region. Depending on applications, different measures of coverage are there such as area coverage, sweep coverage, barrier coverage and so on. Barrier coverage ensures monitoring only the boundary of a region. Barrier coverage is a critical issue in wireless sensor networks for border protection, the performance of which is highly related to the locations of sensor nodes. The objective of the sensors is to detect objects that cross the boundary. The primary objective of this study is to restore barrier coverage after sensor failure with the help of mobile sensors. Battery life of the sensors is one of the critical parameters of a sensor network. To increase the lifetime of the sensor network, the authors' restoring scheme tries to keep the total displacement incurred by the mobile sensors to minimum. A localised distributed barrier coverage restoring scheme is proposed. It first finds the existence of alternate barrier locally. If alternate barrier is not found, an alternate barrier is reconstructed by shifting the existing nearby sensors in a cascaded manner. Simulation results are presented in detail to evaluate the performance of their algorithm.

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.DC(Distributed, Parallel, and Cluster Computing)