ACADEMIC INTEGRITY
A resource site for educators: http://www.plagiarism.org
Various tools and links: http://plagiarism.phys.virginia.edu
Center for Academic Integrity: http://www.academicintegrity.org
Article by Julie Ryan with links to plagiarism fighting tools: http://www.asee.org/prism/december/html/student_plagiarism_in_an_onlin.htm
MOSS-a system for detecting plagiarized computer programs: http://theory.stanford.edu/~aiken/moss/