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: "complexity results and practical algorithms for logics in knowledge representation"
  Abstract: Description Logics (DLs) are used in knowledge-based systems to represent and reason about terminological knowledge of the application domain in a semantically well-defined manner. In this thesis, we establish a number of novel complexity results and give practical algorithms for expressive DLs that provide different forms of counting quantifiers. #R##N#We show that, in many cases, adding local counting in the form of qualifying number restrictions to DLs does not increase the complexity of the inference problems, even if binary coding of numbers in the input is assumed. On the other hand, we show that adding different forms of global counting restrictions to a logic may increase the complexity of the inference problems dramatically. #R##N#We provide exact complexity results and a practical, tableau based algorithm for the DL SHIQ, which forms the basis of the highly optimized DL system iFaCT. #R##N#Finally, we describe a tableau algorithm for the clique guarded fragment (CGF), which we hope will serve as the basis for an efficient implementation of a CGF reasoner.

Connected through hyperedge HE-1 (induced by source paper "satisfiability and query answering in description logics with global and local cardinality constraints"):
  with members:
    - "conjunctive query answering for the description logic shiq"
    - "data complexity of the two variable fragment with counting quantifiers"
    - "the complexity of reasoning with cardinality restrictions and nominals in expressive description logics"

Connected through hyperedge HE-2 (induced by source paper "evidence based lean logic profiles for conceptual data modelling languages"):
  with members:
    - "kf metamodel formalization"
    - "design guidelines for domain specific languages"
    - "the dl lite family and relations"
    - "mapping the object role modeling language orm2 into description logic language dlrifd"
    - "unifying class based representation formalisms"

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"
    - "the data complexity of description logic ontologies"
    - "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"

Connected through hyperedge HE-4 (induced by source paper "finite satisfiability of the two variable guarded fragment with transitive guards and related variants"):
  with members:
    - "query answering with transitive and linear ordered data"
    - "order invariance of two variable logic is decidable"
    - "combining existential rules and transitivity next steps"
    - "two variable logic with two order relations"
    - "satisfiability vs finite satisfiability in elementary modal logics"
    - "finite satisability for guarded fixpoint logic"
    - "complexity of the guarded two variable fragment with counting quantifiers"

Connected through hyperedge HE-5 (induced by source paper "the decision problem of modal product logics with a diagonal and faulty counter machines"):
  with members:
    - "undecidable propositional bimodal logics and one variable first order linear temporal logics with counting"

Connected through hyperedge HE-6 (induced by source paper "converting instance checking to subsumption a rethink for object queries over practical ontologies"):
  with members:
    - "extract abox modules for efficient ontology querying"
    - "hypertableau reasoning for description logics"
    - "conjunctive query answering for the description logic shiq"
    - "reasoning with individuals for the description logic shiq"

Connected through hyperedge HE-7 (induced by source paper "reasoning in infinitely valued g ialcq"):
  with members:
    - "reasoning within fuzzy description logics"

Connected through hyperedge HE-8 (induced by source paper "complexity of the description logic alcm"):
  with members:
    - "reasoning for alcq extended with a flexible meta modelling hierarchy"

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.LO(Logic in Computer Science)