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Short, focused courses are the easiest way to start learning without overwhelming your schedule. If you are working, studying, or managing family commitments, a compact beginner program under 15 hours ...

Abstract: This study introduces and compares three innovative approaches for recommending programming problems within an Online Judge system (OJ), tackling the challenge of deriving implicit ratings ...

Abstract: The development of online education has brought about a massive amount of online learning behavior data. How to fully utilize and analyze these data is a research hotspot of concern in ...