custom_elasticsearch_ranking

This is samples of how to custom ranking algorithm of Elastic Search

Preliminary

elasticsearch

wget https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/zip/elasticsearch/2.3.4/elasticsearch-2.3.4.zip
unzip elasticsearch-2.3.4.zip
echo "script.inline: true" >> elasticsearch-2.3.4/config/elasticsearch.yml
echo "script.indexed: true" >> elasticsearch-2.3.4/config/elasticsearch.yml
elasticsearch-2.3.4/bin/plugin install mobz/elasticsearch-head
elasticsearch-2.3.4/bin/plugin install analysis-kuromoji
elasticsearch-2.3.4/bin/elasticsearch
...

kibana

# OSX
wget https://download.elastic.co/kibana/kibana/kibana-4.5.2-darwin-x64.tar.gz
tar zxvf kibana-4.5.2-darwin-x64.tar.gz
kibana-4.5.2-darwin-x64/bin/kibana plugin --install elastic/sense
kibana-4.5.2-darwin-x64/bin/kibana
...

Demo

open http://localhost:5601/app/sense

Stemming

see here

Scoring

see here

Synonyms

see here

POS

see here