Core Services

The cores services constitute the main functionality of the search engine.

The search-service parses queries, interrogates the index-service, and decorates search results with metadata from the database.
The index-service contains the indexes, it answers questions about which documents contain which terms.
The control-service provides an operator's user interface, and is responsible for orchestrating the various processes of the system.
The assistant-service helps the search service with spelling suggestions other peripheral functionality.