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: "some improvements on locally repairable codes"
  Abstract: The locally repairable codes (LRCs) were introduced to correct erasures efficiently in distributed storage systems. LRCs are extensively studied recently. #R##N#In this paper, we first deal with the open case remained in \cite{q} and derive an improved upper bound for the minimum distances of LRCs. We also give an explicit construction for LRCs attaining this bound. Secondly, we consider the constructions of LRCs with any locality and availability which have high code rate and minimum distance as large as possible. We give a graphical model for LRCs. By using the deep results from graph theory, we construct a family of LRCs with any locality $r$ and availability $2$ with code rate $\frac{r-1}{r+1}$ and optimal minimum distance $O(\log n)$ where $n$ is the length of the code.

Connected through hyperedge HE-1 (induced by source paper "a bound on rate of codes with locality with sequential recovery from multiple erasures"):
  with members:
    - "binary codes with locality for multiple erasures having short block length"
    - "on sequential locally repairable codes"
    - "binary codes with locality for four erasures"
    - "binary locally repairable codes sequential repair for multiple erasures"
    - "locally repairable codes with functional repair and multiple erasure tolerance"
    - "binary linear locally repairable codes"
    - "bounds on the parameters of locally recoverable codes"
    - "repair locality with multiple erasure tolerance"

Connected through hyperedge HE-2 (induced by source paper "binary codes with locality for multiple erasures having short block length"):
  with members:
    - "binary locally repairable codes sequential repair for multiple erasures"
    - "locally repairable codes with functional repair and multiple erasure tolerance"
    - "binary linear locally repairable codes"
    - "bounds on the parameters of locally recoverable codes"
    - "repair locality with multiple erasure tolerance"
    - "locality and availability in distributed storage"
    - "repair locality from a combinatorial perspective"
    - "codes with locality for two erasures"

Connected through hyperedge HE-3 (induced by source paper "binary codes with locality for four erasures"):
  with members:
    - "binary codes with locality for multiple erasures having short block length"
    - "binary locally repairable codes sequential repair for multiple erasures"
    - "locally repairable codes with functional repair and multiple erasure tolerance"
    - "binary linear locally repairable codes"
    - "bounds on the parameters of locally recoverable codes"
    - "repair locality with multiple erasure tolerance"
    - "locality and availability in distributed storage"
    - "repair locality from a combinatorial perspective"

Connected through hyperedge HE-4 (induced by source paper "bounds on codes with locality and availability"):
  with members:
    - "locally repairable codes with functional repair and multiple erasure tolerance"
    - "binary linear locally repairable codes"
    - "bounds on the parameters of locally recoverable codes"
    - "repair locality with multiple erasure tolerance"
    - "locality and availability in distributed storage"
    - "repair locality from a combinatorial perspective"
    - "codes with locality for two erasures"
    - "a family of optimal locally recoverable codes"

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)