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: "finite element integration on gpus"
  Abstract: We present a novel finite element integration method for low-order elements on GPUs. We achieve more than 100GF for element integration on first order discretizations of both the Laplacian and Elasticity operators on an NVIDIA GTX285, which has a nominal single precision peak flop rate of 1 TF/s and bandwidth of 159 GB/s, corresponding to a bandwidth limited peak of 40 GF/s.

Connected through hyperedge HE-1 (induced by source paper "a study of vectorization for matrix free finite element methods"):
  with members:
    - "solver composition across the pde linear algebra barrier"
    - "tsfc a structure preserving form compiler"
    - "fast matrix free evaluation of discontinuous galerkin finite element operators"
    - "loo py transformation based code generation for gpus and cpus"

Connected through hyperedge HE-2 (induced by source paper "gpu accelerated finite element assembly with runtime compilation"):
  with members:
    - "snc a cloud service platform for symbolic numeric computation using just in time compilation"
    - "introduction to the ginac framework for symbolic computation within the c programming language"

Connected through hyperedge HE-3 (induced by source paper "a performance spectrum for parallel computational frameworks that solve pdes"):
  with members:
    - "firedrake automating the finite element method by composing abstractions"
    - "large scale optimization based non negative computational framework for diffusion equations parallel implementation and performance studies"
    - "variational inequality approach to enforcing the non negative constraint for advection diffusion equations"
    - "pt scotch a tool for efficient parallel graph ordering"
    - "hitting the memory wall implications of the obvious"

Connected through hyperedge HE-4 (induced by source paper "finite element numerical integration for first order approximations on multi and many core architectures"):
  with members:
    - "cross loop optimization of arithmetic intensity for finite element local assembly"
    - "numerical integration on gpus for higher order finite elements"
    - "performance evaluation of sparse matrix multiplication kernels on intel xeon phi"
    - "vectorized opencl implementation of numerical integration for higher order finite elements"
    - "dolfin automated finite element computing"

Connected through hyperedge HE-5 (induced by source paper "gpu accelerated spectral finite elements on all hex meshes"):
  with members:
    - "occa a unified approach to multi threading languages"

Connected through hyperedge HE-6 (induced by source paper "cross loop optimization of arithmetic intensity for finite element local assembly"):
  with members:
    - "vectorized opencl implementation of numerical integration for higher order finite elements"
    - "optimizations for quadrature representations of finite element tensors through automated code generation"

Connected through hyperedge HE-7 (induced by source paper "numerical integration on gpus for higher order finite elements"):
  with members:
    - "vectorized opencl implementation of numerical integration for higher order finite elements"
    - "dolfin automated finite element computing"
    - "accelerating scientific computations with mixed precision algorithms"

Connected through hyperedge HE-8 (induced by source paper "vectorized opencl implementation of numerical integration for higher order finite elements"):
  with members:
    - "numerical integration on gpus for higher order finite elements"
    - "dolfin automated finite element computing"

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.MS(Mathematical Software)