human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge groups authors who co-authored the same paper.

Details of the hypergraph:
Center hyperedge (induced by source paper "Garnet: comprehensive support for graphical, highly interactive user interfaces"):
  Abstract: The Garnet research project, which is creating a set of tools to aid the design and implementation of highly interactive, graphical, direct-manipulation user interfaces, is discussed. Garnet also helps designers rapidly develop prototypes for different interfaces and explore various user-interface metaphors during early product design. It emphasizes easy specification of object behavior, often by demonstration and without programming. Garnet contains a number of different components grouped into two layers. The Garnet Toolkit (the lower layer) supplies the object-oriented graphics system and constraints, a set of techniques for specifying the objects' interactive behavior in response to the input devices, and a collection of interaction techniques. On top of the Garnet Toolkit layer are a number of tools to make creating user interfaces easier. The components of both layers are described. >

Includes members:
  Member "Forms/3: A first-order visual language to explore the boundaries of the spreadsheet paradigm":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "Solving display-based problems")
  Member "Workspaces: an architecture for editing collections of objects":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "Window real objects: a distributed shared memory for distributed implementation of GUI applications")
  Member "COLLAGEN: A Collaboration Manager for Software Interface Agents":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "Computational Creativity: Improv Agents and Conceptual Blending")
  Member "A software model and specification language for non-WIMP user interfaces":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "The Rendezvous architecture and language for constructing multiuser applications")
  Member "The Rendezvous architecture and language for constructing multiuser applications":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "A software model and specification language for non-WIMP user interfaces")
  Member "The Programming Language Aspects of ThingLab, a Constraint-Oriented Simulation Laboratory":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "Constraint-Based Automatic Placement for Scene Composition.")

Question: Please tell me which research area the co-authored paper (i.e., the source paper of the center hyperedge) belongs to. The 4 classes are: Computer science, Mathematics, Engineering, Economics, Psychology, Business. Directly output the class name.

gpt: Computer science