Igino Corona and Davide Ariu and Giorgio Giacinto, "HMM-Web: a framework for the detection of attacks against Web applications", IEEE ICC 2009. Anomaly detection of server-side web attacks based on Hidden Markov Models (unsupervised learning).
Opener-OAI extracts Dublin Core and LOM records from EduCommons RSS-feeds
and serves these records as an OAI-repository.
It is initially build for the EduCommons site of Open Universiteit Nederland but should work on all EduCommons sites.