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 "Trust and location based service in mobile social networks – A survey"):
  Abstract: {}

Includes members:
  Member "Review: Certification-based trust models in mobile ad hoc networks: A survey and taxonomy":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "Self-securing ad hoc wireless networks")
  Member "Security, privacy and trust in Internet of Things":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "Shielding IoT against Cyber-Attacks: An Event-Based Approach Using SIEM")

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