Beyond the basics with Elasticsearch Honza Král @honzakral
Bible concordance A simple form lists Biblical words alphabetical y, with indications to enable the inquirer to find the passages of the Bible where the words occur. The first concordance, completed in 1230, was undertaken under the guidance of Hugo de Saint-Cher (Hugo de Sancto Charo), assisted by fellow Dominicans.
Inverted index django file_2.txt file_4.txt flask file_3.txt jazz file_4.txt python file_1.txt file_2.txt file_3.txt web file_2.txt file_3.txt
"Python" and "Django" django file_2.txt file_4.txt flask file_3.txt jazz file_4.txt python file_1.txt file_2.txt file_3.txt web file_2.txt file_3.txt
Percolator Reversed search index queries, run documents Alerting threshold reached Classification language, geo
Relevancy Standard is TF-IDF good for text Lucene adds on top factors text length etc. oﬀset Sometimes not good enough "gauss" 1 "exp" "lin" 0.8 user contributed "quality" decay 0.6 score time/space decay 0.4 0.2 ... 0 20 30 40 50 60 age scale reference