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: "a farewell to the mncs and like size independent indicators"
  Abstract: The arguments presented demonstrate that the Mean Normalized Citation Score (MNCS) and other size-independent indicators based on the ratio to publications are not indicators of research performance. The article provides examples of the distortions when rankings by MNCS are compared to those based on indicators of productivity. The authors propose recommendations for the scientometric community to switch to ranking by research efficiency, instead of MNCS and other size-independent indicators.

Connected through hyperedge HE-1 (induced by source paper "field normalization of scientometric indicators"):
  with members:
    - "relative citation ratio rcr an empirical attempt to study a new field normalized bibliometric indicator"
    - "citation analysis with microsoft academic"
    - "three practical field normalised alternative indicator formulae for research evaluation"
    - "a comparison of university performance scores and ranks by mncs and fss"
    - "citation score normalized by cited references csncr the introduction of a new citation impact indicator"
    - "national disciplinary and temporal variations in the extent to which articles with more authors have more impact evidence from a geometric field normalised citation indicator"
    - "quality versus quantity in scientific impact"
    - "large scale analysis of the accuracy of the journal classification systems of web of science and scopus"

Connected through hyperedge HE-2 (induced by source paper "revisiting the scientometric conceptualization of impact and its measurement"):
  with members:
    - "predicting publication long term impact through a combination of early citations and journal impact factor"
    - "core elements in the process of citing publications conceptual overview of the literature"
    - "refrain from adopting the combination of citation and journal metrics to grade publications as used in the italian national research assessment exercise vqr 2011 2014"
    - "scholarly use of social media and altmetrics a review of the literature"
    - "citations indicators of quality the impact fallacy"
    - "a review of theory and practice in scientometrics"
    - "predicting the long term citation impact of recent publications"
    - "tweets vs mendeley readers how do these two social media metrics differ"

Connected through hyperedge HE-3 (induced by source paper "do all citations value the same valuing citations by the value of the citing items"):
  with members:
    - "revisiting the scientometric conceptualization of impact and its measurement"
    - "refrain from adopting the combination of citation and journal metrics to grade publications as used in the italian national research assessment exercise vqr 2011 2014"
    - "how do you define and measure research productivity"
    - "a further step forward in measuring journals scientific prestige the sjr2 indicator"
    - "revisiting the scaling of citations for research assessment"
    - "applying weighted pagerank to author citation networks"
    - "assessing the varying level of impact measurement accuracy as a function of the citation window length"
    - "towards a new crown indicator some theoretical considerations"

Connected through hyperedge HE-4 (induced by source paper "bibliometric evaluation of research performance where do we stand"):
  with members:
    - "measuring science irresistible temptations easy shortcuts and dangerous consequences"
    - "a sensitivity analysis of researchers productivity rankings to the time of citation observation"
    - "refrain from adopting the combination of citation and journal metrics to grade publications as used in the italian national research assessment exercise vqr 2011 2014"
    - "inefficiency in selecting products for submission to national research assessment exercises"
    - "individual research performance a proposal for comparing apples to oranges"
    - "what is the appropriate length of the publication period over which to assess research performance"
    - "revisiting the scaling of citations for research assessment"
    - "national research assessment exercises a comparison of peer review and bibliometrics rankings"

Connected through hyperedge HE-5 (induced by source paper "how long do top scientists maintain their stardom an analysis by region gender and discipline evidence from italy"):
  with members:
    - "the impact of unproductive and top researchers on overall university research performance"
    - "the north south divide in the italian higher education system"
    - "the determinants of academic career advancement evidence from italy"
    - "how do you define and measure research productivity"
    - "the importance of accounting for the number of co authors and their order when assessing research performance at the individual level in the life sciences"
    - "what is the appropriate length of the publication period over which to assess research performance"
    - "revisiting the scaling of citations for research assessment"
    - "a heuristic approach to author name disambiguation in bibliometrics databases for large scale research assessments"

Connected through hyperedge HE-6 (induced by source paper "can the journal impact factor be used as a criterion for the selection of junior researchers a large scale empirical study based on researcherid data"):
  with members:
    - "testing the trade off between productivity and quality in research activities"
    - "an investigation on the skewness patterns and fractal nature of research productivity distributions at field and discipline level"
    - "use of the journal impact factor for assessing individual articles need not be wrong"
    - "a review of the literature on citation impact indicators"
    - "methods for the generation of normalized citation impact scores in bibliometrics which method best reflects the judgements of experts"
    - "what is the effect of country specific characteristics on the research performance of scientific institutions using multi level statistical models to rank and map universities and research focused institutions worldwide"
    - "how to evaluate individual researchers working in the natural and life sciences meaningfully a proposal of methods based on percentiles of citations"
    - "towards a new crown indicator an empirical analysis"

Connected through hyperedge HE-7 (induced by source paper "an investigation on the skewness patterns and fractal nature of research productivity distributions at field and discipline level"):
  with members:
    - "skewness of citation impact data and covariates of citation distributions a large scale empirical analysis based on web of science data"
    - "how do you define and measure research productivity"
    - "the importance of accounting for the number of co authors and their order when assessing research performance at the individual level in the life sciences"
    - "revisiting the scaling of citations for research assessment"
    - "a heuristic approach to author name disambiguation in bibliometrics databases for large scale research assessments"
    - "the skewness of computer science"

Connected through hyperedge HE-8 (induced by source paper "the north south divide in the italian higher education system"):
  with members:
    - "accounting for gender research performance differences in ranking universities"
    - "do they agree bibliometric evaluation versus informed peer review in the italian research assessment exercise"
    - "a methodology to measure the effectiveness of academic recruitment and turnover"
    - "the vqr italy s second national research assessment methodological failures and ranking distortions"
    - "should the research performance of scientists be distinguished by gender"
    - "the determinants of academic career advancement evidence from italy"
    - "relatives in the same university faculty nepotism or merit"
    - "how do you define and measure research productivity"

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.DL(Digital Libraries)