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 connection between locally repairable codes and exact regenerating codes"
  Abstract: Typically, locally repairable codes (LRCs) and regenerating codes have been studied independently of each other, and it has not been clear how the parameters of one relate to those of the other. In this paper, a novel connection between locally repairable codes and exact regenerating codes is established. Via this connection, locally repairable codes are interpreted as exact regenerating codes. Further, some of these codes are shown to perform better than time-sharing codes between minimum bandwidth regenerating and minimum storage regenerating codes.

Connected through hyperedge HE-1 (induced by source paper "network traffic driven storage repair"):
  with members:
    - "repair duality with locally repairable and locally regenerating codes"
    - "product matrix msr codes with bandwidth adaptive exact repair"
    - "improved schemes for asymptotically optimal repair of mds codes"
    - "ldpc code design for distributed storage balancing repair bandwidth reliability and storage overhead"
    - "codes with unequal locality"
    - "minimum storage regenerating codes for all parameters"
    - "general sub packetized access optimal regenerating codes"
    - "hashtag erasure codes from theory to practice"

Connected through hyperedge HE-2 (induced by source paper "repair duality with locally repairable and locally regenerating codes"):
  with members:
    - "general sub packetized access optimal regenerating codes"
    - "hashtag erasure codes from theory to practice"
    - "balanced locally repairable codes"
    - "when locally repairable codes meet regenerating codes what if some helpers are unavailable"
    - "optimal locally repairable and secure codes for distributed storage systems"
    - "xoring elephants novel erasure codes for big data"
    - "simple regenerating codes network coding for cloud storage"
    - "on the locality of codeword symbols"

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)