Spelling Correction

What is Spelling Correction?

Spelling correction (a.k.a. Did You Mean) proposes corrected queries using edit distance, language models, and query logs, optionally auto-applying when confidence is high.

How It Works (quick)

• Candidates: Generate via Levenshtein, phonetics, and dictionaries.
• Score: Rank by frequency and context.
• Apply: Suggest or auto-correct; keep original as fallback.
• Measure: Track accept/override rates.

Why It Matters in E-commerce

• Reduces zero-results and frustration.
• Captures revenue otherwise lost to typos.

Best Practices

• Never auto-correct SKU/brand codes.
• Show both corrected and original results link.
• Localize dictionaries; learn from logs.

Summary

A robust “Did You Mean” boosts success with minimal risk—just protect codes and show fallback links.