LNCS 2787 Improving SOSDM Inspirations from the Danger Theory 1st Edition by Emma Hart, Peter Ross  ISBN 3540451927 9783540451921

This paper presents improvements to SOSDM based on ideas gleaned from the Danger Theory of immunology. In the new model, antibodies emit a signal describing their current level of contentment – monitoring the total level of contentment in the system provides a mechanism for determining when an immune response should occur, i.e. when new antibodies should be produced. It also provides a method of detecting catastrophic changes in the environment, i.e. significant changes in input data, and thus provides a means of removing antibodies. The new system, dSOSDM, is shown to be more robust and better able to deal with dynamically changing databases than SOSDM.