Go to blackboard at
https://blackboard.leidenuniv.nl/
then click on
Master Class & Master’s Thesis Computer Science [doorlopend]
Control Panel | Course Tools | Turnitin assignments | Indienen
This will show a dialog box. Enter
First Name
Last Name
Title
Choose from this computer and select the thesis
After you do this, and confirm that it is the document you want to submit, it will take you to the statistics on plagiarism or similarity to other documents.
Note that by default it has some strange sorting so that new results are often move out of sight down the list, so you can click on the datum to get it to show the newest items first.
Note that after you submit the thesis, it may take some time (15 min to 24 hours) for the scores to appear.