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 online laboratory conducting experiments in a real labor market"
  Abstract: Online labor markets have great potential as platforms for conducting experiments, as they provide immediate access to a large and diverse subject pool and allow researchers to conduct randomized controlled trials. We argue that online experiments can be just as valid---both internally and externally---as laboratory and field experiments, while requiring far less money and time to design and to conduct. In this paper, we first describe the benefits of conducting experiments in online labor markets; we then use one such market to replicate three classic experiments and confirm their results. We confirm that subjects (1) reverse decisions in response to how a decision-problem is framed, (2) have pro-social preferences (value payoffs to others positively), and (3) respond to priming by altering their choices. We also conduct a labor supply field experiment in which we confirm that workers have upward sloping labor supply curves. In addition to reporting these results, we discuss the unique threats to validity in an online setting and propose methods for coping with these threats. We also discuss the external validity of results from online domains and explain why online results can have external validity equal to or even better than that of traditional methods, depending on the research question. We conclude with our views on the potential role that online experiments can play within the social sciences, and then recommend software development priorities and best practices.

Connected through hyperedge HE-1 (induced by source paper "from the hands of an early adopter s avatar to virtual junkyards analysis of virtual goods lifetime survival"):
  with members:
    - "a multilayer network dataset of interaction and influence spreading in a virtual world"
    - "a picture is worth a thousand words an empirical study on the influence of content visibility on diffusion processes within a virtual world"

Connected through hyperedge HE-2 (induced by source paper "closing the ai knowledge gap"):
  with members:
    - "psychlab a psychology laboratory for deep reinforcement learning agents"
    - "parlai a dialog research software platform"
    - "inception score label smoothing gradient vanishing and log d x alternative"
    - "the social dilemma of autonomous vehicles"
    - "the rise of social bots"
    - "openml networked science in machine learning"
    - "imagenet large scale visual recognition challenge"
    - "discrimination in online ad delivery"

Connected through hyperedge HE-3 (induced by source paper "web based vr experiments powered by the crowd"):
  with members:
    - "mechanical novel crowdsourcing complex work through reflection and revision"
    - "cooperation and contagion in web based networked public goods experiments"

Connected through hyperedge HE-4 (induced by source paper "a picture is worth a thousand words an empirical study on the influence of content visibility on diffusion processes within a virtual world"):
  with members:
    - "spreading processes in multilayer networks"
    - "knowledge workers collaborative learning behavior modeling in an organizational social network"
    - "knowledge acquisition from social platforms based on network distributions fitting"
    - "model of multilayer knowledge diffusion for competence development in an organization"
    - "seed selection for spread of influence in social networks temporal vs static approach"
    - "extraction of multilayered social networks from activity data"
    - "multi layered social networks"
    - "analysis of neighbourhoods in multi layered dynamic social networks"

Connected through hyperedge HE-5 (induced by source paper "collective intelligence heuristic an experimental evidence"):
  with members:
    - "cooperation and contagion in web based networked public goods experiments"

Connected through hyperedge HE-6 (induced by source paper "cooperative equilibrium beyond social dilemmas pareto solvable games"):
  with members:
    - "benevolent characteristics promote cooperative behaviour among humans"
    - "heuristics guide the implementation of social preferences in one shot prisoner s dilemma experiments"
    - "a model of human cooperation in social dilemmas"
    - "a solution concept for games with altruism and cooperation"
    - "game theory with translucent players"
    - "cooperation and contagion in web based networked public goods experiments"

Connected through hyperedge HE-7 (induced by source paper "spaced repetition and mnemonics enable recall of multiple strong passwords"):
  with members:
    - "naturally rehearsing passwords"
    - "optimizing password composition policies"

Connected through hyperedge HE-8 (induced by source paper "building robust crowdsourcing systems with reputation aware decision support techniques"):
  with members:
    - "cooperation and contagion in web based networked public goods experiments"
    - "a quantitative measure of fairness and discrimination for resource allocation in shared computer systems"

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.HC(Human-Computer Interaction)