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: "digital data archives as knowledge infrastructures mediating data sharing and reuse"
  Abstract: Digital data archives play essential roles in knowledge infrastructures by mediating access to data within and between communities. This three-year qualitative study of DANS, a digital data archive containing more than 50 years of heterogeneous data types, provides new insights to the uses, users, and roles of these systems and services. Consumers are highly diverse, including researchers, students, practitioners in museums and companies, and hobbyists. Contributors are not necessarily consumers of data from the archive, and few users cite data in DANS, even their own data. Academic contributors prefer to maintain control over data after deposit so that they can have personal exchanges with those seeking their data. Staff archivists provide essential mediating roles in identifying, acquiring, curating, and disseminating data. Archivists take the perspective of potential consumers in curating data to be findable and usable. Staff balance competing goals, and competing stakeholders, in time spent acquiring and curating data, in maintaining current data and long-term stewardship, and in providing direct access and interfaces to search engines and harvesters. Data archives are fragile in the long run, due to the competing stakeholders, multiple funding sources, and array of interacting technologies and infrastructures on which they depend.

Connected through hyperedge HE-1 (induced by source paper "lost or found discovering data needed for research"):
  with members:
    - "dataset search a survey"
    - "theory and practice of data citation"
    - "understanding data search as a socio technical practice"
    - "searching data a review of observational data retrieval practices in selected disciplines"

Connected through hyperedge HE-2 (induced by source paper "understanding data search as a socio technical practice"):
  with members:
    - "data search 18 searching data on the web"
    - "the parallel distributed image search engine paradise"
    - "searching data a review of observational data retrieval practices in selected disciplines"
    - "the durability and fragility of knowledge infrastructures lessons learned from astronomy"
    - "walking through a library remotely why we need maps for collections and how knowescape can help us to make them"
    - "query expansion for survey question retrieval in the social sciences"

Connected through hyperedge HE-3 (induced by source paper "searching data a review of observational data retrieval practices in selected disciplines"):
  with members:
    - "understanding data search as a socio technical practice"
    - "the durability and fragility of knowledge infrastructures lessons learned from astronomy"
    - "query expansion for survey question retrieval in the social sciences"

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)