Below are the files mentioned in Chapter 3. The scripts for OpenNLP tools differ slightly from the book.

Installing OpenNLP Tools: Download OpenNLP Tools version 1.3.0 and unzip it, giving a directory opennlp-tools-1.3.0. In the scripts, OPENNLP_HOME must be set to location of this directory. Build the tools using Ant as described in the README file. This produces opennlp-tools-1.3.0.jar in a subdirectory opennlp-tools-1.3.0/output. The other jar files are in a subdirectory opennlp-tools-1.3.0/lib.

Installing OpenNLP Models: The OpenNLP tools require statistical models for English. Create a subdirectory tree models/english in the opennlp-tools-1.3.0 directory. Download the models for version 1.3.0 into subdirectories in this tree, preserving the directory structure. For example, download the sentence detector model to models/english/sentdetect/EnglishSD.bin.gz, the tokenizer model to models/english/tokenize/EnglishTok.bin.gz, and so on.

Acknowledgements

The shell scripts for OpenNLP tools are based on examples in the OpenNLP README file.

The shell scripts for Stanford NLP tools are based on examples in the tools downloads.