A Query-Time Approach to Typo-Tolerant Autocomplete

📚 Series: Typo-Tolerant Autocomplete Part 1Autocomplete in Search : Design Constraints When You Can’t Reindex Part 2Using Tries for Prefix-Aware Typo Correction Part 3Bounding Typo Correction with Edit Distance Part 4A Query-Time Approach to Typo-Tolerant Autocomplete (current) ← Previous: Bounding Typo Correction with Edit Distance In the previous post, we looked at the constraints that make autocomplete difficult in real Lucene-based systems: large indices, high reindexing costs, tight latency budgets, and partial user input. ...

February 2, 2026 · 4 min · Navaneeth P T

Autocomplete in Search : Design Constraints When You Can’t Reindex

📚 Series: Typo-Tolerant Autocomplete Part 1Autocomplete in Search : Design Constraints When You Can’t Reindex (current) Part 2Using Tries for Prefix-Aware Typo Correction Part 3Bounding Typo Correction with Edit Distance Part 4A Query-Time Approach to Typo-Tolerant Autocomplete Next: Using Tries for Prefix-Aware Typo Correction → Autocomplete problems especially those involving the implementation of typo correction with autocomplete are rarely algorithmic in isolation. They are almost always constraint-driven. ...

February 2, 2026 · 3 min · Navaneeth P T

Bounding Typo Correction with Edit Distance

📚 Series: Typo-Tolerant Autocomplete Part 1Autocomplete in Search : Design Constraints When You Can’t Reindex Part 2Using Tries for Prefix-Aware Typo Correction Part 3Bounding Typo Correction with Edit Distance (current) Part 4A Query-Time Approach to Typo-Tolerant Autocomplete ← Previous: Using Tries for Prefix-Aware Typo CorrectionNext: A Query-Time Approach to Typo-Tolerant Autocomplete → Prefix-aware traversal narrows the search space, but it does not solve the entire problem. ...

February 2, 2026 · 3 min · Navaneeth P T

Using Tries for Prefix-Aware Typo Correction

📚 Series: Typo-Tolerant Autocomplete Part 1Autocomplete in Search : Design Constraints When You Can’t Reindex Part 2Using Tries for Prefix-Aware Typo Correction (current) Part 3Bounding Typo Correction with Edit Distance Part 4A Query-Time Approach to Typo-Tolerant Autocomplete ← Previous: Autocomplete in Search : Design Constraints When You Can’t ReindexNext: Bounding Typo Correction with Edit Distance → In the previous post, we looked at a query-time architecture for typo-tolerant autocomplete. That architecture depends on one core capability: efficiently reasoning about prefixes. ...

February 2, 2026 · 3 min · Navaneeth P T