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January 2014
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747 Reads
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10 Citations
In this paper, the security issues in online judge systems (OJ) will be discussed. The pros and cons in different sandbox approaches in open source OJs will be analyzed. After that, well explore other possibilities to build a more suitable sandbox for online judge purpose.
December 2010
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93 Reads
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2 Citations
In this paper, a specific online judge for automata is designed. System architecture is developed according to it. Model representations, judging strategies and feasibility of automatic judge are also explored. Different judging methods are introduced corresponding to each model, ensures the accuracy and efficiency. The advantages when applied to education are also discussed at the end of this paper.
... To avoid malicious attacks, most judging systems currently employ sandboxes to execute the programs uploaded by users [8]. Developers may require a method to determine whether the use of a sandbox is safe for this purpose. ...
January 2014
