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 subexponential parameterized algorithm for interval completion"
  Abstract: In the Interval Completion problem we are given a graph G and an integer k, and the task is to turn G using at most k edge additions into an interval graph, i.e., a graph admitting an intersection model of intervals on a line. Motivated by applications in sparse matrix multiplication and molecular biology, Kaplan, Shamir and Tarjan [FOCS 1994; SIAM J. Comput. 1999] asked for a fixed-parameter algorithm solving this problem. This question was answer affirmatively more than a decade later by Villanger at el. [STOC 2007; SIAM J. Comput. 2009], who presented an algorithm with running time $O(k^{2k}n^3m)$. We give the first subexponential parameterized algorithm solving Interval Completion in time $k^{O(\sqrt{k})} n^{O(1)}$. This adds Interval Completion to a very small list of parameterized graph modification problems solvable in subexponential time.

Connected through hyperedge HE-1 (induced by source paper "lower bounds for the parameterized complexity of minimum fill in and other completion problems"):
  with members:
    - "time approximation trade offs for inapproximable problems"
    - "on the threshold of intractability"
    - "a polynomial kernel for trivially perfect editing"
    - "a subexponential parameterized algorithm for proper interval completion"
    - "sparsification and subexponential approximation"
    - "exploring subexponential parameterized complexity of completion problems"
    - "parameterized in approximability of subset problems"
    - "subexponential parameterized algorithm for minimum fill in"

Connected through hyperedge HE-2 (induced by source paper "polynomial kernelization for removing induced claws and diamonds"):
  with members:
    - "a polynomial kernel for trivially perfect editing"
    - "a subexponential parameterized algorithm for proper interval completion"
    - "exploring subexponential parameterized complexity of completion problems"
    - "parameterized complexity of induced graph matching on claw free graphs"
    - "a polynomial kernel for proper interval vertex deletion"
    - "subexponential parameterized algorithm for minimum fill in"
    - "on the non existence of polynomial kernels for p l free edge modification problems"

Connected through hyperedge HE-3 (induced by source paper "linear recognition of almost interval graphs"):
  with members:
    - "a faster algorithm to recognize even hole free graphs"
    - "faster algorithms for vertex partitioning problems parameterized by clique width"
    - "forbidden induced subgraphs of normal helly circular arc graphs characterization and detection"
    - "chordal editing is fixed parameter tractable"
    - "normal helly circular arc graphs and its subclasses"
    - "exploring subexponential parameterized complexity of completion problems"
    - "interval deletion is fixed parameter tractable"
    - "polynomial kernels for 3 leaf power graph modification problems"

Connected through hyperedge HE-4 (induced by source paper "a polynomial kernel for trivially perfect editing"):
  with members:
    - "polynomial kernelization for removing induced claws and diamonds"
    - "on the threshold of intractability"
    - "a subexponential parameterized algorithm for proper interval completion"
    - "exploring subexponential parameterized complexity of completion problems"
    - "a polynomial kernel for proper interval vertex deletion"
    - "subexponential parameterized algorithm for minimum fill in"
    - "on the non existence of polynomial kernels for p l free edge modification problems"

Connected through hyperedge HE-5 (induced by source paper "a subexponential parameterized algorithm for proper interval completion"):
  with members:
    - "exploring subexponential parameterized complexity of completion problems"
    - "polynomial kernels for proper interval completion and related problems"
    - "subexponential parameterized algorithm for minimum fill in"

Connected through hyperedge HE-6 (induced by source paper "exploring subexponential parameterized complexity of completion problems"):
  with members:
    - "a subexponential parameterized algorithm for proper interval completion"
    - "subexponential parameterized algorithm for minimum fill in"
    - "on the non existence of polynomial kernels for p l free edge modification problems"

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.DS(Data Structures and Algorithms)