Search

This section covers how to query your indexed data. Laurus supports three search modes that can be used independently or combined.

Topics

Lexical Search

Keyword-based search using an inverted index. Covers:

• All query types: Term, Phrase, Boolean, Fuzzy, Wildcard, Range, Geo, Span
• BM25 scoring and field boosts
• Using the Query DSL for text-based queries

Vector Search

Semantic similarity search using vector embeddings. Covers:

• VectorSearchRequestBuilder API
• Multi-field vector search and score modes
• Filtered vector search

Hybrid Search

Combining lexical and vector search for best-of-both-worlds results. Covers:

• SearchRequestBuilder API
• Fusion algorithms (RRF, WeightedSum)
• Filtered hybrid search
• Pagination with offset/limit

Spelling Correction

Suggest corrections for misspelled query terms. Covers:

• SpellingCorrector and “Did you mean?” features
• Custom dictionaries and configuration
• Learning from index terms and user queries