The test program used is a derivative of the xevKeyDyn.pl program first described in the developerWorks article "Expand your text entry options with keystroke dynamics" (see Resources).

使用的测试程序是先前在 developerWorks 文章 “用击键力学扩展文本输入选项” 中介绍的 xevKeyDyn.pl 程序的派生程序（请参阅 参考资料）。

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If the borrowed open-source code is integral to a larger program, that program becomes a "derivative work, " subject to various claims--e.g.

FORBES: Magazine Article