human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "relay broadcast channel with confidential messages"):
  Abstract: We investigate the effects of an additional relay node on the secrecy of broadcast channels by considering the model of relay broadcast channels with confidential messages. We show that this additional relay node can increase the achievable secrecy rate region of the broadcast channels with confidential messages. More specifically, first, we investigate the discrete memoryless relay broadcast channels with two confidential messages and one common message. Three inner bounds (with respect to decode-forward, generalized noise-forward and compress-forward strategies) and an outer bound on the capacity-equivocation region are provided. Second, we investigate the discrete memoryless relay broadcast channels with two confidential messages. Inner and outer bounds on the capacity-equivocation region are provided. Finally, we investigate the discrete memoryless relay broadcast channels with one confidential message and one common message. Inner and outer bounds on the capacity-equivocation region are provided, and the results are further explained via a Gaussian example. Compared with Csiszar-Korner's work on broadcast channels with confidential messages (BCC), we find that with the help of the relay node, the secrecy capacity region of the Gaussian BCC is enhanced.

Includes members:
  Member "multiaccess channel with partially cooperating encoders and security constraints":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "secure lossy source coding for some classes of helper and gray wyner models")
  Member "secure degrees of freedom of mimo x channels with output feedback and delayed csit":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "achievable dof regions of three user mimo broadcast channel with delayed csit")
  Member "secure communication over parallel relay channel":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "the arbitrarily varying relay channel")
  Member "interference assisted secret communication":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "jammer assisted resource allocation in secure ofdma with untrusted users")
  Member "capacity bounds for broadcast channels with confidential messages":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "optimal secure gdof of symmetric gaussian wiretap channel with a helper")
  Member "the wiretap channel with feedback encryption over the channel":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "a survey of physical layer security techniques for 5g wireless networks and challenges ahead")
  Member "discrete memoryless interference and broadcast channels with confidential messages secrecy rate regions":
    also connected through other hyperedges:
      - Hyperedge HE-7 (induced by source paper "cognitive radio networks an information theoretic perspective")
  Member "secrecy in cooperative relay broadcast channels":
    also connected through other hyperedges:
      - Hyperedge HE-8 (induced by source paper "broadcast channels with privacy leakage constraints")

Question: Please tell me which class the source paper 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)