Stanbol enhancement engine developed as part of the GSoC 2013 project for Apache Stanbol
similarity: Text similarity calculation Toolkit for Java. 文本相似度计算工具包,java编写,可用于文本相似度计算、情感分析等任务,开箱即用。
CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, co...
Apache OpenNLP