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 data complexity of description logic ontologies"
  Abstract: We analyze the data complexity of ontology-mediated querying where the ontologies are formulated in a description logic (DL) of the ALC family and queries are conjunctive queries, positive existential queries, or acyclic conjunctive queries. Our approach is non-uniform in the sense that we aim to understand the complexity of each single ontology instead of for all ontologies formulated in a certain language. While doing so, we quantify over the queries and are interested, for example, in the question whether all queries can be evaluated in polynomial time w.r.t. a given ontology. Our results include a PTime/coNP-dichotomy for ontologies of depth one in the description logic ALCFI, the equivalence of a PTime/coNP-dichotomy for ALC and ALCI-ontologies of unrestricted depth to the famous dichotomy conjecture for CSPs by Feder and Vardi, and the failure of PTime/coNP-dichotomy theorem for ALCF-ontologies. Regarding the latter DL, we also show that it is undecidable whether a given ontology admits PTime query evaluation.

Connected through hyperedge HE-1 (induced by source paper "model comparison games for horn description logics"):
  with members:
    - "query inseparability for alc ontologies"
    - "a van benthem theorem for fuzzy modal logic"
    - "learning first order definable concepts over structures of small degree"
    - "dichotomies in ontology mediated querying with the guarded fragment"
    - "the complexity of reverse engineering problems for conjunctive queries"
    - "on the expressive power of sub propositional fragments of modal logic"
    - "querying the guarded fragment"
    - "simulations and bisimulations for coalgebraic modal logics"

Connected through hyperedge HE-2 (induced by source paper "the data complexity of ontology mediated queries with closed predicates"):
  with members:
    - "a dichotomy theorem for nonuniform csps"
    - "dichotomies in ontology mediated querying with the guarded fragment"
    - "inseparability and conservative extensions of description logic ontologies a survey"
    - "an algebraic hardness criterion for surjective constraint satisfaction"
    - "ontology based data access a study through disjunctive datalog csp and mmsnp"
    - "the complexity of surjective homomorphism problems a survey"
    - "the dl lite family and relations"

Connected through hyperedge HE-3 (induced by source paper "rewritability in monadic disjunctive datalog mmsnp and expressive description logics"):
  with members:
    - "a dichotomy theorem for nonuniform csps"
    - "the proof of csp dichotomy conjecture"
    - "asking the metaquestions in constraint tractability"
    - "ontology based data access a study through disjunctive datalog csp and mmsnp"
    - "universal structures and the logic of forbidden patterns"
    - "the dl lite family and relations"
    - "datalog and constraint satisfaction with infinite templates"
    - "a characterisation of first order constraint satisfaction problems"

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)