信息安全专业教学资源（讲稿）Artificial Immune Systems——An Emerging Technology

Artificial Immune Systems:An Emerging Technology Congress on Evolutionary Computation 2001. Seoul,Korea. Dr.Jonathan Timmis Computing Laboratory University of Kent at Canterbury England.UK J.Timmis@ukc.ac.uk http:/www.cs.ukc.ac.uk/people/staff/jt6

Artificial Immune Systems: An Emerging Technology Dr. Jonathan Timmis Computing Laboratory University of Kent at Canterbury England. UK. J.Timmis@ukc.ac.uk http:/www.cs.ukc.ac.uk/people/staff/jt6 Congress on Evolutionary Computation 2001. Seoul, Korea

Tutorial Overview 一--一一--一一-0-一一-0-一一--一一- 一一--一一--一一--一一- What are Artificial Immune Systems? Background immunology .Why use the immune system as a metaphor *Immune Metaphors employed 张Review of AIS work ◆Applications More blue sky research CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Tutorial Overview What are Artificial Immune Systems? Background immunology Why use the immune system as a metaphor Immune Metaphors employed Review of AIS work Applications More blue sky research

Immune metaphors --一一--一一-- Other areas Idea! Idea Immune System Artificial Immune Systems CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Immune metaphors Immune System Idea! Idea ‘ Other areas Artificial Immune Systems

Artificial Immune Systems -一一--一一--一一--一一-0 Relatively new branch of computer science ◆Some history Using natural immune system as a metaphor for solving computational problems .Not modelling the immune system Variety of applications so far .Fault diagnosis (Ishida) Computer security (Forrest,Kim) .Novelty detection(Dasgupta) Robot behaviour (Lee) .Machine learning(Hunt,Timmis,de Castro) CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Artificial Immune Systems Relatively new branch of computer science Some history Using natural immune system as a metaphor for solving computational problems Not modelling the immune system Variety of applications so far … Fault diagnosis (Ishida) Computer security (Forrest, Kim) Novelty detection (Dasgupta) Robot behaviour (Lee) Machine learning (Hunt, Timmis, de Castro)

Why the Immune System? 装Recognition ◆Anomaly detection ◆Noise tolerance 米Robustness 袋Feature extraction 米 Diversity Reinforcement learning 米Memory 米Distributed 米Multi-layered 张Adaptive CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Why the Immune System? Recognition Anomaly detection Noise tolerance Robustness Feature extraction Diversity Reinforcement learning Memory Distributed Multi-layered Adaptive

一一--一一- Part I-Basic Immunology CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Part I – Basic Immunology

Role of the Immune System ---一--一一--一一--一一--一一--一一---一- Protect our bodies from infection Primary immune response .Launch a response to invading pathogens Secondary immune response Remember past encounters Faster response the second time around CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Role of the Immune System Protect our bodies from infection Primary immune response Launch a response to invading pathogens Secondary immune response Remember past encounters Faster response the second time around

How does it work? --0-一一--一一--一一-0-一一--一一--一一--一一--一一- -一一--一一--一一-- MHC protein Antigen APC (亚) Peptide ()( 感 T-cell B-cell 〔v) Activated T-cell 。Lymphokines Activated B-cell (plasma cell) 3 (v) CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems How does it work?

Where is it? --一一--一一-0-一一--一 -一---一--一一-0-一--一一--- Primary lymphoid Secondary lymphoid organs organs Tonsils and adenoids Thymus H 必 Spleen Peyer's patches Appendix Bone marrow Lymph nodes Lymphatic vesse CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Where is it? Lymphatic vessels Lymph nodes Thymus Spleen Tonsils and adenoids Bone marrow Appendix Peyer’s patches Primary lymphoid organs Secondary lymphoid organs

Multiple layers of the immune system Pathogens ↓ Skin Biochemical barriers Phagocyte Innate immune response Lymphocytes Adaptive immune response CEC 2001 Artificial Immune Systems

CEC 2001 Artificial Immune Systems Multiple layers of the immune system Phagocyte Adaptive immune response Lymphocytes Innate immune response Biochemical barriers Skin Pathogens