JAVA实现prefix算法，包括源代码计算法说明-JAVA prefix algorithm to achieve

java版的PrefixSpan算法实现，文件里包含了详细的文档说明，还有示例。-PrefixSpan algorithm. The document containing a detailed descr iption and an example.

java版的PrefixSpan算法实现现，文件里包含了详细的文档说明，还有示例。 -java version of the PrefixSpan algorithm to achieve now, the file contains a detailed documentation, as well as the example.