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: "scientific citations in wikipedia"
  Abstract: The Internet-based encyclopaedia Wikipedia has grown to become one of the most visited web-sites on the Internet. However, critics have questioned the quality of entries, and an empirical study has shown Wikipedia to contain errors in a 2005 sample of science entries. Biased coverage and lack of sources are among the "Wikipedia risks". The present work describes a simple assessment of these aspects by examining the outbound links from Wikipedia articles to articles in scientific journals with a comparison against journal statistics from Journal Citation Reports such as impact factors. The results show an increasing use of structured citation markup and good agreement with the citation pattern seen in the scientific literature though with a slight tendency to cite articles in high-impact journals such as Nature and Science. These results increase confidence in Wikipedia as an good information organizer for science in general.

Connected through hyperedge HE-1 (induced by source paper "measuring social media activity of scientific literature an exhaustive comparison of scopus and novel altmetrics big data"):
  with members:
    - "altmetrics of altmetrics using google scholar twitter mendeley facebook google plus citeulike blogs and wiki"
    - "scholarly use of social media and altmetrics a review of the literature"
    - "do altmetrics correlate with citations extensive comparison of altmetric indicators with citations from a multidisciplinary perspective"
    - "how well developed are altmetrics a cross disciplinary analysis of the presence of alternative metrics in scientific publications"
    - "tweeting biomedicine an analysis of tweets and citations in the biomedical literature"
    - "coverage and adoption of altmetrics sources in the bibliometric community"
    - "beyond citations scholars visibility on the social web"
    - "altmetrics in the wild using social media to explore scholarly impact"

Connected through hyperedge HE-2 (induced by source paper "amplifying the impact of open access wikipedia and the diffusion of science"):
  with members:
    - "altmetrics chapter from beyond bibliometrics harnessing multidimensional indicators of scholarly impact"
    - "laboratories of oligarchy how the iron law extends to peer production"
    - "self selected or mandated open access increases citation impact for higher quality research"

Connected through hyperedge HE-3 (induced by source paper "scholarly use of social media and altmetrics a review of the literature"):
  with members:
    - "interpreting altmetrics viewing acts on social media through the lens of citation and social theories"
    - "validity of altmetrics data for measuring societal impact a study using data from altmetric and f1000prime"
    - "tweets vs mendeley readers how do these two social media metrics differ"
    - "do altmetrics correlate with citations extensive comparison of altmetric indicators with citations from a multidisciplinary perspective"
    - "tweets as impact indicators examining the implications of automated bot accounts on twitter"
    - "do altmetrics point to the broader impact of research an overview of benefits and disadvantages of altmetrics"
    - "new data new possibilities exploring the insides of altmetric com"
    - "how well developed are altmetrics a cross disciplinary analysis of the presence of alternative metrics in scientific publications"

Connected through hyperedge HE-4 (induced by source paper "altmetrics of altmetrics using google scholar twitter mendeley facebook google plus citeulike blogs and wiki"):
  with members:
    - "t factor a metric for measuring impact on twitter"
    - "altmetrics in the wild using social media to explore scholarly impact"

Connected through hyperedge HE-5 (induced by source paper "altmetrics chapter from beyond bibliometrics harnessing multidimensional indicators of scholarly impact"):
  with members:
    - "tracing scientist s research trends realtimely"
    - "how does market concern derived from the internet affect oil prices"
    - "how the scientific community reacts to newly submitted preprints article downloads twitter mentions and citations"
    - "beyond citations scholars visibility on the social web"
    - "altmetrics in the wild using social media to explore scholarly impact"
    - "twitter mood predicts the stock market"
    - "a principal component analysis of 39 scientific impact measures"
    - "analysis of social voting patterns on digg"

Connected through hyperedge HE-6 (induced by source paper "coverage and adoption of altmetrics sources in the bibliometric community"):
  with members:
    - "tweets vs mendeley readers how do these two social media metrics differ"
    - "how well developed are altmetrics a cross disciplinary analysis of the presence of alternative metrics in scientific publications"
    - "beyond citations scholars visibility on the social web"
    - "altmetrics in the wild using social media to explore scholarly impact"

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)