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← Revision 16 as of 2021-09-10 08:24:32 ⇥
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| Currently the most widely used plagiarism detection software is serviced by [[http://theory.stanford.edu/~aiken/moss/|Moss]] | Currently the most widely used code plagiarism detection software is serviced by [[http://theory.stanford.edu/~aiken/moss/|Moss]] |
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| . `~give/stable/bin/` contains a couple of scripts to make the process easier: | . ~+`~give/stable/bin/`+~ contains scripts to make the process easier: * '''moss''' - sends submissions to moss for processing. . example: . ~+`% moss -l python -m 4 -b template.py -d "*/*.py"`+~ |
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| . e.g. `% ~give/stable/bin/moss_setup ` ''`12s2 `'' ''`assign1`'' . a `plague` directory will be created under `~/12s2.work/assign1` * '''moss_run''' - send the submissions to moss for processing. {i} The class accounts have no internet quota, so this script must be run from a personal account with access to the submissions. . e.g. `% ~give/stable/bin/moss_run ` ''`cs1911 `'' ''`12s2 `'' ''`assign1 `'' ''`c `'' ''`*/*.c`'' . the last two arguments specify the programming language (C code) and which files to process (all .c files for each student). |
. example: . ~+`% ~give/stable/bin/moss_setup ` ''`21T2 `'' ''`ass1`''+~ * a plague directory will be created under ~/21T2.work/ass1 * remove any files not to be included in moss plagiarism detection * copy template files to plague/Samples to ignore similarity from these files * '''moss_run''' - wrapper script for moss script. . example: . ~+`% ~give/stable/bin/moss_run ` ''`en1811 `'' ''`21T2 `'' ''`ass1 `'' ''`python `'' ''`"*/*.py"`''+~ . ~+`% ~give/stable/bin/moss_run ` ''`-d /home/en1811/21T2.work/ass1/plague `'' ''`python `'' ''"`*/*.py"`''+~ * last two arguments specify the programming language (python) and which files to process (all .py files for each student). * '''plague.pl''' * Paste everything on moss summary page into ~+''`moss_report_file `''+~ * Look at similarities in code on moss pages and select plagiarised pairs: . ~+`% plague.pl -s ` ''`assignment `'' ''`moss_report_file `'' ''`selected_plague_file`''+~ * Report assignment mark, submission history . ~+`% plague.pl -r ` ''`assignment `'' ''`selected_plague_file`''+~ [[https://www.gs.unsw.edu.au/policy/plagiarismprocedure.html|Plagiarism Procedures]] |
Plagiarism Detection
Currently the most widely used code plagiarism detection software is serviced by Moss
~give/stable/bin/ contains scripts to make the process easier:
moss - sends submissions to moss for processing.
- example:
% moss -l python -m 4 -b template.py -d "*/*.py"
moss_setup - retrieve submissions and put them into directories suitable for moss-ing.
- example:
% ~give/stable/bin/moss_setup 21T2 ass1
- a plague directory will be created under ~/21T2.work/ass1
- remove any files not to be included in moss plagiarism detection
- copy template files to plague/Samples to ignore similarity from these files
moss_run - wrapper script for moss script.
- example:
% ~give/stable/bin/moss_run en1811 21T2 ass1 python "*/*.py"
% ~give/stable/bin/moss_run -d /home/en1811/21T2.work/ass1/plague python "*/*.py"
- last two arguments specify the programming language (python) and which files to process (all .py files for each student).
plague.pl
Paste everything on moss summary page into moss_report_file
- Look at similarities in code on moss pages and select plagiarised pairs:
% plague.pl -s assignment moss_report_file selected_plague_file
- Report assignment mark, submission history
% plague.pl -r assignment selected_plague_file