Elastic Search plugin that makes possible the use of cosine similarity with TFIDF matrices link to the original script that I modified: https://github.com/imotov/elasticsearch-native-script-example

#How to install

Download and compile the package

sudo mvn package

Stop elasticsearch before doing the next operations:

install plugin using elasticsearch bin folder

sudo bin/plugin --url file:plugins/plugin/target/releases/example-plugin-1.0-SNAPSHOT.zip --install plugin

to remove the plugin:

sudo bin/plugin --remove plugin

Example folder contains a file to test the code