Avoiding plagiarism is a one if the key components to the UAF Student Code of Conduct. One of the points missing in a rule set like this, however, are lessons and discussions on ways to cite and paraphrase correctly.
SafeAssign is a Blackboard module that not only allows instructors to check student papers against published content, but can be configured in the course shell to allow students to check their own work. This can be a valuable part of a learning activity for beginning writers.
The teaching tip on Blackboard SafeAssign is available as a PDF.