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: "decompositions of all different global cardinality and related constraints"
  Abstract: We show that some common and important global constraints like ALL-DIFFERENT and GCC can be decomposed into simple arithmetic constraints on which we achieve bound or range consistency, and in some cases even greater pruning. These decompositions can be easily added to new solvers. They also provide other constraints with access to the state of the propagator by sharing of variables. Such sharing can be used to improve propagation between constraints. We report experiments with our decomposition in a pseudo-Boolean solver.

Connected through hyperedge HE-1 (induced by source paper "sat vs csp a commentary"):
  with members:
    - "translation based constraint answer set solving"
    - "a translational approach to constraint answer set solving"
    - "decomposition of the nvalue constraint"
    - "circuit complexity and decompositions of global constraints"

Connected through hyperedge HE-2 (induced by source paper "contractibility for open global constraints"):
  with members:
    - "the soft cumulative constraint"
    - "slide a useful special case of the cardpath constraint"
    - "flow based propagators for the sequence and related global constraints"
    - "decision problems for convex languages"

Connected through hyperedge HE-3 (induced by source paper "translation based constraint answer set solving"):
  with members:
    - "a translational approach to constraint answer set solving"
    - "circuit complexity and decompositions of global constraints"

Connected through hyperedge HE-4 (induced by source paper "the alldifferent constraint with precedences"):
  with members:
    - "propagating conjunctions of alldifferent constraints"
    - "combining symmetry breaking and global constraints"

Connected through hyperedge HE-5 (induced by source paper "decomposition of the nvalue constraint"):
  with members:
    - "circuit complexity and decompositions of global constraints"
    - "slide a useful special case of the cardpath constraint"
    - "the complexity of reasoning with global constraints"
    - "the parameterized complexity of global constraints"

Connected through hyperedge HE-6 (induced by source paper "propagating conjunctions of alldifferent constraints"):
  with members:
    - "the complexity of reasoning with global constraints"
    - "the parameterized complexity of global constraints"

Connected through hyperedge HE-7 (induced by source paper "a translational approach to constraint answer set solving"):
  with members:
    - "bounded ltl model checking with stable models"

Connected through hyperedge HE-8 (induced by source paper "circuit complexity and decompositions of global constraints"):
  with members:
    - "slide a useful special case of the cardpath constraint"
    - "the complexity of reasoning with global constraints"
    - "decompositions of grammar constraints"
    - "the weighted cfg constraint"
    - "a knowledge compilation map"

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.AI(Artificial Intelligence)