The MDEX Engine uses the following high-level steps to process record search queries :
1. Record filtering
2. Oracle Commerce Query Language (EQL) filtering
3. Tokenization
4. Auto correction (spelling correction and automatic phrasing)
5. Thesaurus expansion
6. Stemming
7. Primitive term and phrase lookup
8. Did you mean
9. Range filtering
10. Navigation filtering
11. Business rules and keyword redirects
12. Analytics
13. Relevance ranking
2. Oracle Commerce Query Language (EQL) filtering
3. Tokenization
4. Auto correction (spelling correction and automatic phrasing)
5. Thesaurus expansion
6. Stemming
7. Primitive term and phrase lookup
8. Did you mean
9. Range filtering
10. Navigation filtering
11. Business rules and keyword redirects
12. Analytics
13. Relevance ranking
Note : For Boolean search queries, tokenization, auto correction, and thesaurus expansion are replaced
with a separate parsing phase.
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