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 storage allocations for optimal delay"
  Abstract: We examine the problem of creating an encoded distributed storage representation of a data object for a network of mobile storage nodes so as to achieve the optimal recovery delay. A source node creates a single data object and disseminates an encoded representation of it to other nodes for storage, subject to a given total storage budget. A data collector node subsequently attempts to recover the original data object by contacting other nodes and accessing the data stored in them. By using an appropriate code, successful recovery is achieved when the total amount of data accessed is at least the size of the original data object. The goal is to find an allocation of the given budget over the nodes that optimizes the recovery delay incurred by the data collector; two objectives are considered: (i) maximization of the probability of successful recovery by a given deadline, and (ii) minimization of the expected recovery delay. We solve the problem completely for the second objective in the case of symmetric allocations (in which all nonempty nodes store the same amount of data), and show that the optimal symmetric allocation for the two objectives can be quite different. A simple data dissemination and storage protocol for a mobile delay-tolerant network is evaluated under various scenarios via simulations. Our results show that the choice of storage allocation can have a significant impact on the recovery delay performance, and that coding may or may not be beneficial depending on the circumstances.

Connected through hyperedge HE-1 (induced by source paper "on distributed storage allocations of large files for maximum service rate"):
  with members:
    - "on the service capacity region of accessing erasure coded content"
    - "on storage allocation for maximum service rate in distributed storage systems"
    - "when queueing meets coding optimal latency data retrieving scheme in storage clouds"
    - "distributed storage allocations"
    - "coding for fast content download"
    - "memory allocation in distributed storage networks"

Connected through hyperedge HE-2 (induced by source paper "storage allocation for multi class distributed data storage systems"):
  with members:
    - "optimal storage allocation for wireless cloud caching systems with a limited sum storage capacity"
    - "on storage allocation for maximum service rate in distributed storage systems"
    - "on distributed storage allocations for memory limited systems"
    - "on the delay storage trade off in content download from coded distributed storage systems"
    - "distributed storage allocations"
    - "allocations for heterogenous distributed storage"
    - "minimization of storage cost in distributed storage systems with repair consideration"
    - "memory allocation in distributed storage networks"

Connected through hyperedge HE-3 (induced by source paper "on storage allocation for maximum service rate in distributed storage systems"):
  with members:
    - "when queueing meets coding optimal latency data retrieving scheme in storage clouds"
    - "distributed storage allocations"
    - "coding for fast content download"
    - "memory allocation in distributed storage networks"

Connected through hyperedge HE-4 (induced by source paper "exploiting user mobility for wireless content delivery"):
  with members:
    - "distributed storage allocations"
    - "allocations for heterogenous distributed storage"
    - "femtocaching wireless video content delivery through distributed caching helpers"

Connected through hyperedge HE-5 (induced by source paper "repair for distributed storage systems with erasure channels"):
  with members:
    - "regenerating codes for errors and erasures in distributed storage"
    - "cooperative regenerating codes for distributed storage systems"
    - "network coding for distributed storage systems"
    - "on coding for reliable communication over packet networks"

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)