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: "on the threshold of intractability"
  Abstract: We study the computational complexity of the graph modification problems Threshold Editing and Chain Editing, adding and deleting as few edges as possible to transform the input into a threshold (or chain) graph. In this article, we show that both problems are NP-complete, resolving a conjecture by Natanzon, Shamir, and Sharan (Discrete Applied Mathematics, 113(1):109--128, 2001). On the positive side, we show the problem admits a quadratic vertex kernel. Furthermore, we give a subexponential time parameterized algorithm solving Threshold Editing in $2^{O(\surd k \log k)} + \text{poly}(n)$ time, making it one of relatively few natural problems in this complexity class on general graphs. These results are of broader interest to the field of social network analysis, where recent work of Brandes (ISAAC, 2014) posits that the minimum edit distance to a threshold graph gives a good measure of consistency for node centralities. Finally, we show that all our positive results extend to the related problem of Chain Editing, as well as the completion and deletion variants of both problems.

Connected through hyperedge HE-1 (induced by source paper "faster and enhanced inclusion minimal cograph completion"):
  with members:
    - "techniques for the cograph editing problem module merge is equivalent to editing p4s"
    - "fast quasi threshold editing"
    - "phylogenomics with paralogs"
    - "on the non existence of polynomial kernels for p l free edge modification problems"

Connected through hyperedge HE-2 (induced by source paper "algorithms for automatic ranking of participants and tasks in an anonymized contest"):
  with members:
    - "minimum fill in inapproximability and almost tight lower bounds"
    - "lower bounds for the parameterized complexity of minimum fill in and other completion problems"
    - "a survey on truth discovery"
    - "chordal editing is fixed parameter tractable"
    - "subexponential parameterized algorithm for minimum fill in"
    - "data conflict resolution using trust mappings"

Connected through hyperedge HE-3 (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"
    - "a polynomial kernel for trivially perfect editing"
    - "a subexponential parameterized algorithm for proper interval completion"
    - "a subexponential parameterized algorithm for 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-4 (induced by source paper "fast quasi threshold editing"):
  with members:
    - "networkit an interactive tool suite for high performance network analysis"
    - "a polynomial kernel for trivially perfect editing"
    - "extended dynamic subgraph statistics using h index parameterized data structures"
    - "social structure of facebook networks"
    - "the h index of a graph and its application to dynamic subgraph statistics"
    - "layered label propagation a multiresolution coordinate free ordering for compressing social networks"

Connected through hyperedge HE-5 (induced by source paper "a polynomial kernel for trivially perfect editing"):
  with members:
    - "polynomial kernelization for removing induced claws and diamonds"
    - "a subexponential parameterized algorithm for proper interval completion"
    - "a subexponential parameterized algorithm for 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"

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)