Query And Fetch & Query Then Fetch & DFS Query And Fetch & DFS Query Then Fetch
Routine retrieval of ES includes four retrieval methods (SCAN and COUNT are no longer recommended)
Query And Fetch(Q_A_F)
Query Then Fetch(Q_T_F)
DFS Query And Fetch(DFS_Q_A_F)
DFS Query Then Fetch(DFS_Q_T_F)
DFS
ES uses TF-IDF statistical methods to assess the importance of retrieving documents. The idea is:
If a word or phrase a ...
Posted by DynV on Tue, 11 Dec 2018 22:03:14 -0800