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: "clouns a cloud native application reference model for enterprise architects"
  Abstract: The capability to operate cloud-native applications can generate enormous business growth and value. But enterprise architects should be aware that cloud-native applications are vulnerable to vendor lock-in. We investigated cloud-native application design principles, public cloud service providers, and industrial cloud standards. All results indicate that most cloud service categories seem to foster vendor lock-in situations which might be especially problematic for enterprise architectures. This might sound disillusioning at first. However, we present a reference model for cloud-native applications that relies only on a small subset of well standardized IaaS services. The reference model can be used for codifying cloud technologies. It can guide technology identification, classification, adoption, research and development processes for cloud-native application and for vendor lock-in aware enterprise architecture engineering methodologies.

Connected through hyperedge HE-1 (induced by source paper "a comprehensive feature comparison study of open source container orchestration frameworks"):
  with members:
    - "towards a lightweight multi cloud dsl for elastic and transferable cloud native applications"

Connected through hyperedge HE-2 (induced by source paper "don t wait to be breached creating asymmetric uncertainty of cloud applications via moving target defenses"):
  with members:
    - "cloud services brokerage a survey and research roadmap"
    - "tailored source code transformations to synthesize computationally diverse program variants"

Connected through hyperedge HE-3 (induced by source paper "towards distributed clouds"):
  with members:
    - "finding the greedy prodigal and suicidal contracts at scale"
    - "blockchain a graph primer"
    - "enhancing bitcoin security and performance with strong consistency via collective signing"
    - "cryptocurrencies without proof of work"

Connected through hyperedge HE-4 (induced by source paper "about being the tortoise or the hare a position paper on making cloud applications too fast and furious for attackers"):
  with members:
    - "cloud services brokerage a survey and research roadmap"

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.SE(Software Engineering)