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: "meta modelling semantics of uml"
  Abstract: The Unified Modelling Language is emerging as a de-facto standard for modelling object-oriented systems. However, the semantics document that a part of the standard definition primarily provides a description of the language’s syntax and well-formedness rules. The meaning of the language, which is mainly described in English, is too informal and unstructured to provide a foundation for developing formal analysis and development techniques. This paper outlines a formalisation strategy for making precise the core semantics of UML. This is achieved by strengthening the denotational semantics of the existing UML metamodel. To illustrate the approach, the semantics of generalization/specialization are made precise.

Connected through hyperedge HE-1 (induced by source paper "architecture and behavior modeling of cyber physical systems with montiarcautomaton"):
  with members:
    - "concurrent timed port automata"
    - "towards a semantics of activity diagrams with semantic variation points"
    - "systems views and models of uml"
    - "system model semantics of class diagrams"
    - "modal object diagrams"
    - "cd2alloy class diagrams analysis using alloy revisited"
    - "montiarcautomaton modeling architecture and behavior of robotic systems"
    - "montiarc architectural modeling of interactive distributed and cyber physical systems"

Connected through hyperedge HE-2 (induced by source paper "modular description of a comprehensive semantics model for the uml version 2 0"):
  with members:
    - "systems views and models of uml"
    - "system model based simulation of uml models"
    - "an algebraic view on the semantics of model composition"
    - "enhancing the syslab system model with state"
    - "a stream based mathematical model for distributed information processing systems the syslab system model"

Connected through hyperedge HE-3 (induced by source paper "specification and verification of uplink framework for application of software engineering using rm odp"):
  with members:
    - "a note on semantics with an emphasis on uml"
    - "second ecoop workshop on precise behavioral semantics with an emphasis on oo business specifications"
    - "model based testing of object oriented 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.SE(Software Engineering)