Mastering Elasticsearch - Second Edition

Summary

In this chapter, we've looked at how the default Apache Lucene scoring works and we've discussed the query rewrite process—how it is done and why is it needed. We've discussed how query templates work and how they can simplify your queries. We've also looked at different query filtering methods, how they differ in comparison to each other, and when they can be used. Finally, we've assigned queries to different groups, we've learned when which query group can be used, and we've seen some example queries for each of the groups.

In the next chapter, we'll step away from full text search and focus on other search functionalities. We will start by extending our knowledge about the rescore functionality and the ability to recalculate the score ...