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: "manipulation and gender neutrality in stable marriage procedures"
  Abstract: The stable marriage problem is a well-known problem of matching men to women so that no man and woman who are not married to each other both prefer each other. Such a problem has a wide variety of practical applications ranging from matching resident doctors to hospitals to matching students to schools. A well-known algorithm to solve this problem is the Gale-Shapley algorithm, which runs in polynomial time. #R##N#It has been proven that stable marriage procedures can always be manipulated. Whilst the Gale-Shapley algorithm is computationally easy to manipulate, we prove that there exist stable marriage procedures which are NP-hard to manipulate. We also consider the relationship between voting theory and stable marriage procedures, showing that voting rules which are NP-hard to manipulate can be used to define stable marriage procedures which are themselves NP-hard to manipulate. Finally, we consider the issue that stable marriage procedures like Gale-Shapley favour one gender over the other, and we show how to use voting rules to make any stable marriage procedure gender neutral.

Connected through hyperedge HE-1 (induced by source paper "coalition manipulations of the gale shapley algorithm"):
  with members:
    - "stable nash equilibria in the gale shapley matching game"
    - "on the susceptibility of the deferred acceptance algorithm"
    - "manipulation of stable matchings using minimal blacklists"

Connected through hyperedge HE-2 (induced by source paper "stable nash equilibria in the gale shapley matching game"):
  with members:
    - "coalition manipulations of the gale shapley algorithm"

Connected through hyperedge HE-3 (induced by source paper "coalitional permutation manipulations in the gale shapley algorithm"):
  with members:
    - "on the susceptibility of the deferred acceptance algorithm"

Connected through hyperedge HE-4 (induced by source paper "is computational complexity a barrier to manipulation"):
  with members:
    - "dominating manipulations in voting with partial information"
    - "manipulation of nanson s and baldwin s rules"
    - "complexity of and algorithms for borda manipulation"
    - "an empirical study of borda manipulation"
    - "multimode control attacks on elections"
    - "an empirical study of the manipulability of single transferable voting"
    - "where are the hard manipulation problems"
    - "the shield that never was societies with single peaked preferences are more open to manipulation and control"

Connected through hyperedge HE-5 (induced by source paper "where are the hard manipulation problems"):
  with members:
    - "complexity of and algorithms for borda manipulation"
    - "an empirical study of the manipulability of single transferable voting"
    - "the shield that never was societies with single peaked preferences are more open to manipulation and control"
    - "complexity of terminating preference elicitation"
    - "where are the really hard manipulation problems the phase transition in manipulating the veto rule"
    - "dealing with incomplete agents preferences and an uncertain agenda in group decision making via sequential majority voting"
    - "manipulating tournaments in cup and round robin competitions"
    - "eliciting single peaked preferences using comparison queries"

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.AI(Artificial Intelligence)