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on the similarity between the student's answer and model answer, cosine similarity measure is used for this purpose. Cosine similarity is a heuristic evolutionary measure that has succeeded to solve text to text similarity problems. Word root and synonyms for each keyword in the student's answer and the model answer are
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.