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: "3sum hardness in dynamic data structures"
  Abstract: We prove lower bounds for several (dynamic) data structure problems conditioned on the well known conjecture that 3SUM cannot be solved in $O(n^{2-\Omega(1)})$ time. This continues a line of work that was initiated by Patrascu [STOC 2010] and strengthened recently by Abboud and Vassilevska-Williams [FOCS 2014]. The problems we consider are from several subfields of algorithms, including text indexing, dynamic and fault tolerant graph problems, and distance oracles. In particular we prove polynomial lower bounds for the data structure version of the following problems: Dictionary Matching with Gaps, Document Retrieval problems with more than one pattern or an excluded pattern, Maximum Cardinality Matching in bipartite graphs (improving known lower bounds), d-failure Connectivity Oracles, Preprocessing for Induced Subgraphs, and Distance Oracles for Colors. #R##N#Our lower bounds are based on several reductions from 3SUM to a special set intersection problem introduced by Patrascu, which we call Patrascu's Problem. In particular, we provide a new reduction from 3SUM to Patrascu's Problem which allows us to obtain stronger conditional lower bounds for (some) problems that have already been shown to be 3SUM hard, and for several of the problems examined here. Our other lower bounds are based on reductions from the Convolution3SUM problem, which was introduced by Patrascu. We also prove that up to a logarithmic factor, the Convolution3SUM problem is equivalent to 3SUM when the inputs are integers. A previous reduction of Patrascu shows that a subquadratic algorithm for Convolution3SUM implies a similarly subquadratic 3SUM algorithm, but not that the two problems are asymptotically equivalent or nearly equivalent.

Connected through hyperedge HE-1 (induced by source paper "improved bounds for 3sum k sum and linear degeneracy"):
  with members:
    - "the decision tree complexity for k sum is at most nearly quadratic"
    - "clustered integer 3sum via additive combinatorics"
    - "solving k sum using few linear queries"
    - "why walking the dog takes time frechet distance has no strongly subquadratic algorithms unless seth fails"
    - "threesomes degenerates and love triangles"
    - "popular conjectures imply strong lower bounds for dynamic problems"
    - "edit distance cannot be computed in strongly subquadratic time unless seth is false"
    - "on hardness of jumbled indexing"

Connected through hyperedge HE-2 (induced by source paper "unifying and strengthening hardness for dynamic problems via the online matrix vector multiplication conjecture"):
  with members:
    - "improved algorithms for decremental single source reachability on directed graphs"
    - "space and time efficient algorithm for maintaining dense subgraphs on one pass dynamic streams"
    - "decremental single source shortest paths on undirected graphs in near linear total update time"
    - "powers of tensors and fast matrix multiplication"
    - "sublinear time decremental algorithms for single source reachability and shortest paths on directed graphs"
    - "popular conjectures imply strong lower bounds for dynamic problems"
    - "higher lower bounds from the 3sum conjecture"
    - "dynamic approximate all pairs shortest paths breaking the o mn barrier and derandomization"

Connected through hyperedge HE-3 (induced by source paper "fully dynamic matching in bipartite graphs"):
  with members:
    - "popular conjectures imply strong lower bounds for dynamic problems"
    - "deterministic fully dynamic data structures for vertex cover and matching"
    - "orienting fully dynamic graphs with worst case time bounds"
    - "simple deterministic algorithms for fully dynamic maximal matching"
    - "fully dynamic maximal matching in o log n update time"
    - "online stochastic packing applied to display ad allocation"

Connected through hyperedge HE-4 (induced by source paper "clustered integer 3sum via additive combinatorics"):
  with members:
    - "threesomes degenerates and love triangles"
    - "on hardness of jumbled indexing"
    - "faster all pairs shortest paths via circuit complexity"

Connected through hyperedge HE-5 (induced by source paper "dynamic set intersection"):
  with members:
    - "threesomes degenerates and love triangles"
    - "four soviets walk the dog with an application to alt s conjecture"
    - "faster deterministic fully dynamic graph connectivity"
    - "don t rush into a union take time to find your roots"
    - "the power of simple tabulation hashing"
    - "fast set intersection and two patterns matching"
    - "fast evaluation of union intersection expressions"
    - "logarithmic lower bounds in the cell probe model"

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)