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: "the knowledge based economy and the triple helix model"
  Abstract: 1. Introduction - the metaphor of a "knowledge-based economy"; 2. The Triple Helix as a model of the knowledge-based economy; 3. Knowledge as a social coordination mechanism; 4. Neo-evolutionary dynamics in a Triple Helix of coordination mechanism; 5. The operation of the knowledge base; 6. The restructuring of knowledge production in a KBE; 7. The KBE and the systems-of-innovation approach; 8. The KBE and neo-evolutionary theories of innovation; 8.1 The construction of the evolving unit; 8.2 User-producer relations in systems of innovation; 8.3 'Mode-2' and the production of scientific knowledge; 8.4 A Triple Helix model of innovations; 9. Empirical studies and simulations using the TH model; 10. The KBE and the measurement; 10.1 The communication of meaning and information; 10.2 The expectation of social structure; 10.3 Configurations in a knowledge-based economy

Connected through hyperedge HE-1 (induced by source paper "technological research in the eu is less efficient than the world average eu research policy risks europeans future"):
  with members:
    - "research assessment by percentile based double rank analysis"
    - "the elephant in the room the problem of quantifying productivity in evaluative scientometrics"
    - "brics countries and scientific excellence a bibliometric analysis of most frequently cited papers"
    - "how do you define and measure research productivity"
    - "the european union china and the united states in the top 1 and top 10 layers of most frequently cited publications competition and collaborations"
    - "on the calculation of percentile based bibliometric indicators"
    - "the use of percentiles and percentile rank classes in the analysis of bibliometric data opportunities and limits"
    - "the leiden ranking 2011 2012 data collection indicators and interpretation"

Connected through hyperedge HE-2 (induced by source paper "a new approach to measure the scientific strengths of territories"):
  with members:
    - "revisiting the scaling of citations for research assessment"
    - "mapping excellence in the geography of science an approach based on scopus data"
    - "a heuristic approach to author name disambiguation in bibliometrics databases for large scale research assessments"
    - "the detection of hot regions in the geography of science a visualization approach by using density maps"

Connected through hyperedge HE-3 (induced by source paper "innovation as a nonlinear process the scientometric perspective and the specification of an innovation opportunities explorer"):
  with members:
    - "how to create an innovation accelerator"
    - "mapping excellence in the geography of science an approach based on scopus data"
    - "interactive overlays a new method for generating global journal maps from web of science data"
    - "which cities produce excellent papers worldwide more than can be expected a new mapping approach using google maps based on statistical significance testing"
    - "what can heterogeneity add to the scientometric map steps towards algorithmic historiography"
    - "mapping the geography of science distribution patterns and networks of relations among cities and institutes"
    - "science overlay maps a new tool for research policy and library management"

Connected through hyperedge HE-4 (induced by source paper "the swedish system of innovation regional synergies in a knowledge based economy"):
  with members:
    - "the triple helix of university industry government relations at the country level and its dynamic evolution under the pressures of globalization"
    - "structuration by intellectual organization the configuration of knowledge in relations among structural components in networks of science"
    - "redundancy in systems which entertain a model of themselves interaction information and the self organization of anticipation"
    - "the mutual information of university industry government relations an indicator of the triple helix dynamics"

Connected through hyperedge HE-5 (induced by source paper "the triple helix of university industry government relations at the country level and its dynamic evolution under the pressures of globalization"):
  with members:
    - "rotational symmetry and the transformation of innovation systems in a triple helix of university industry government relations"
    - "the mutual information of university industry government relations an indicator of the triple helix dynamics"

Connected through hyperedge HE-6 (induced by source paper "rotational symmetry and the transformation of innovation systems in a triple helix of university industry government relations"):
  with members:
    - "innovation as a nonlinear process the scientometric perspective and the specification of an innovation opportunities explorer"
    - "the swedish system of innovation regional synergies in a knowledge based economy"

Connected through hyperedge HE-7 (induced by source paper "mapping uspto patent data using overlays to google maps"):
  with members:
    - "mapping excellence in the geography of science an approach based on scopus data"
    - "publish or patent bibliometric evidence for empirical trade offs in national funding strategies"
    - "which cities produce excellent papers worldwide more than can be expected a new mapping approach using google maps based on statistical significance testing"
    - "mapping the geography of science distribution patterns and networks of relations among cities and institutes"
    - "the university industry knowledge relationship analyzing patents and the science base of technologies"
    - "science overlay maps a new tool for research policy and library management"

Connected through hyperedge HE-8 (induced by source paper "how to evaluate universities in terms of their relative citation impacts fractional counting of citations and the normalization of differences among disciplines"):
  with members:
    - "fractional counting of citations in research evaluation a cross and interdisciplinary assessment of the tsinghua university in beijing"
    - "scopus s source normalized impact per paper snip versus a journal impact factor based on fractional counting of citations"
    - "the danger of pseudo science in informetrics"
    - "cwts crown indicator measures citation impact of a research group s publication oeuvre"
    - "towards a new crown indicator some theoretical considerations"
    - "normalization at the field level fractional counting of citations"
    - "caveats for the journal and field normalizations in the cwts leiden evaluations of research performance"
    - "rivals for the crown reply to opthof and leydesdorff"

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.OH(Other Computer Science)